| 5492330 |
Ploioderma fungi |
Ploioderma spp. |
Appearance of immature fruiting bodies as observed on needles in spring |
| 5492332 |
Ploioderma fungi |
Ploioderma spp. |
Immature Ploioderma fruiting bodies appearing as thin black lines on the needle surface; as fruiting bodies mature and swell, the needle epidermis will split along these lines. |
| 5486244 |
brown rot |
Monilinia fructicola |
|
| 5486245 |
brown rot |
Monilinia fructicola |
|
| 5492433 |
yellow fairy cups |
Bisporella citrina |
Saprobe that grows on decaying logs and stumps of hardwoods. Typically found growing in dense clusters. This is a cup or sac fungus (Ascomycota). |
| 5492434 |
yellow fairy cups |
Bisporella citrina |
Saprobe that grows on decaying logs and stumps of hardwoods. Typically found growing in dense clusters. This is a cup or sac fungus (Ascomycota). |
| 5492435 |
yellow fairy cups |
Bisporella citrina |
Saprobe that grows on decaying logs and stumps of hardwoods. Typically found growing in dense clusters. This is a cup or sac fungus (Ascomycota). |
| 5492436 |
yellow fairy cups |
Bisporella citrina |
Saprobe that grows on decaying logs and stumps of hardwoods. Typically found growing in dense clusters. This is a cup or sac fungus (Ascomycota). |
| 5492437 |
yellow fairy cups |
Bisporella citrina |
Saprobe that grows on decaying logs and stumps of hardwoods. Typically found growing in dense clusters. This is a cup or sac fungus (Ascomycota). |
| 5492438 |
yellow fairy cups |
Bisporella citrina |
Saprobe that grows on decaying logs and stumps of hardwoods. Typically found growing in dense clusters. This is a cup or sac fungus (Ascomycota). |
| 5492341 |
white rot |
Stromatinia cepivora |
small dark sclerotia on garlic |
| 5492331 |
Ploioderma fungi |
Ploioderma spp. |
Appearance of immature fruiting bodies as observed on needles in spring |
| 5488241 |
Ploioderma fungi |
Ploioderma spp. |
Infected foliage with apothecia evident |
| 5488199 |
powdery mildew |
Golovinomyces cichoracearum |
Chasmothecia with mycelioid appendages |
| 5486074 |
Entomosporium leaf spot |
Diplocarpon mespili |
Acervulus in leaf spot |
| 5461622 |
|
Uncinula sp. |
Asci with spores |
| 5461624 |
|
Uncinula sp. |
Asci |
| 5461625 |
|
Uncinula sp. |
Asci with spores |
| 5461626 |
|
Uncinula sp. |
cleistothecium with appendages |
| 5486077 |
Entomosporium leaf spot |
Diplocarpon mespili |
Infected leaf |
| 5486078 |
Entomosporium leaf spot |
Diplocarpon mespili |
Infected leaf |
| 5486076 |
Entomosporium leaf spot |
Diplocarpon mespili |
Vertical section of acervulus with macroconidia and microconidia |
| 5486075 |
Entomosporium leaf spot |
Diplocarpon mespili |
Vertical section of acervulus |
| 5486073 |
Entomosporium leaf spot |
Diplocarpon mespili |
Macroconidium |
| 5488242 |
Ploioderma fungi |
Ploioderma spp. |
Infected needle with apothecia evident |
| 5488239 |
Ploioderma fungi |
Ploioderma spp. |
Symptomatic infected foliage |
| 5488240 |
Ploioderma fungi |
Ploioderma spp. |
Symptomatic infected foliage |
| 5488238 |
Ploioderma fungi |
Ploioderma spp. |
Tips of asci surrounded by paraphyses |
| 5490483 |
black spot |
Diplocarpon rosae |
Conidia |
| 5490482 |
black spot |
Diplocarpon rosae |
Vertical section of acervulus |
| 5490481 |
black spot |
Diplocarpon rosae |
Vertical section of acervuli |
| 5490480 |
black spot |
Diplocarpon rosae |
Conidia |
| 5490478 |
black spot |
Diplocarpon rosae |
Symptomatic infected leaf |
| 5490479 |
black spot |
Diplocarpon rosae |
Vertical section of acervulus |
| 5490477 |
black spot |
Diplocarpon rosae |
Acervuli in leaf spot |
| 1574117 |
powdery mildew |
Podosphaera xanthii |
Micrograph of conidia and conidiophores. October 1997 |
| 1574115 |
powdery mildew |
Podosphaera xanthii |
Micrograph of conidia and conidiophores. October 1997 |
| 1574116 |
powdery mildew |
Podosphaera xanthii |
Micrograph of single conidiophore. October 1997 |
| 1574104 |
powdery mildew |
Podosphaera xanthii |
Squash powdery mildew fungicide efficacy trial. Note the differences in color among plots. Darker green indicates better control of the disease. October 1997 |
| 1574097 |
powdery mildew |
Podosphaera xanthii |
Powdery mildew on main stem of squash plant. October 1997 |
| 1574096 |
powdery mildew |
Podosphaera xanthii |
Powdery mildew affects stems and leaves. October 1997 |
| 1574095 |
powdery mildew |
Podosphaera xanthii |
White powdery growth on leaf surface. October 1997 |
| 1574092 |
powdery mildew |
Podosphaera xanthii |
Research plots for testing fungicide efficacy against powdery mildew. Notice the color different among plots. September 1997 |
| 1574060 |
powdery mildew |
Podosphaera xanthii |
Powdery mildew on peduncle. September 1997 |
| 1574059 |
powdery mildew |
Podosphaera xanthii |
Severe powdery mildew in non-treated research plots. September 1997 |
| 1574056 |
powdery mildew |
Podosphaera xanthii |
Underside of leaf; top is downy mildew, bottom is powdery mildew. September 1997 |
| 1574021 |
powdery mildew |
Podosphaera xanthii |
Close-up of powdery mildew on pumpkin peduncle. The disease causes discoloration and early drying of peduncle tissue. September 1997 |
| 1574027 |
powdery mildew |
Podosphaera xanthii |
Overall view with effective treatment in foreground. White patches are plots with severe powdery mildew. September 1997 |
| 1574026 |
powdery mildew |
Podosphaera xanthii |
Myclobutanil (Nova) treated plot. See 1574024 for comparison to non-treated plot. September 1997 |
| 1574025 |
powdery mildew |
Podosphaera xanthii |
Non-treated research plot with severe mildew. September 1997 |
| 1574024 |
powdery mildew |
Podosphaera xanthii |
Non-treated research plot with severe mildew. September 1997 |
| 1574022 |
powdery mildew |
Podosphaera xanthii |
Close-up of powdery mildew on pumpkin peduncle. The disease causes discoloration and early drying of peduncle tissue. Note that the fungus does not colonize mature fruit. September 1997 |
| 1574023 |
powdery mildew |
Podosphaera xanthii |
Pumpkin leaf completely colonized by powdery mildew. September 1997 |
| 1573971 |
powdery mildew |
Erysiphe cichoracearum |
Single diseased leaf entirely covered by the sporulating fungus. September 1997 |
| 1573969 |
powdery mildew |
Erysiphe cichoracearum |
September 1997 |
| 1573970 |
powdery mildew |
Erysiphe cichoracearum |
Single diseased leaf. September 1997 |
| 1573968 |
powdery mildew |
Erysiphe cichoracearum |
Single diseased leaf. September 1997 |
| 1573967 |
powdery mildew |
Erysiphe cichoracearum |
September 1997 |
| 1573901 |
powdery mildew |
Leveillula taurica |
Diseased foliage with several nearing maturity. September 1997 |
| 1573900 |
powdery mildew |
Leveillula taurica |
Diseased leaves and fruit. September 1997 |
| 1573898 |
powdery mildew |
Leveillula taurica |
Close up of diseased leaf. September 1997 |
| 1573899 |
powdery mildew |
Leveillula taurica |
Close up of mildewed leaves and fruit. September 1997 |
| 1573836 |
powdery mildew |
Podosphaera xanthii |
Close up of diseased squash leaf. The disease causes white powdery lesions on the leaf upperside and yellow spots are caused by the same type of lesion on the leaf underside. August 1997 |
| 1603000 |
powdery mildew |
Erysiphe spp. |
|
| 1573613 |
Sclerotinia rots |
Sclerotinia spp. |
Close-up of diseased stem and sclerotia. July 1997 |
| 1573677 |
powdery mildew |
Podosphaera xanthii |
Close up of diseased leaf. White spots are the sporulating fungus. Yellow spots have corresponding fungal growth on the underside of the leaf. August 1997 |
| 5486072 |
Entomosporium leaf spot |
Diplocarpon mespili |
Microconidia and conidiophores |
| 5486071 |
Entomosporium leaf spot |
Diplocarpon mespili |
Macroconidia and microconidia |
| 5492770 |
white-nose syndrome fungus |
Geomyces destructans |
Dade County |
| 5492692 |
powdery mildew |
Microsphaera penicillata var. vaccinii |
powdery mildew lesions |
| 5492693 |
powdery mildew |
Microsphaera penicillata var. vaccinii |
leaf lesions and white mycelium |
| 5492694 |
powdery mildew |
Microsphaera penicillata var. vaccinii |
|
| 5492703 |
valdensia leaf blight |
Valdensinia heterodoxa |
Valdensinia lesions |
| 5492704 |
valdensia leaf blight |
Valdensinia heterodoxa |
leaf drop caused by Valdensinia |
| 5492705 |
valdensia leaf blight |
Valdensinia heterodoxa |
|
| 5492656 |
mummy berry |
Monilinia vaccinii-corymbosi |
Mummy berry apothecia |
| 5492685 |
mummy berry |
Monilinia vaccinii-corymbosi |
Mummy berry primary infection of leaf |
| 5492686 |
mummy berry |
Monilinia vaccinii-corymbosi |
Mummy berry disease primary infection of leaf |
| 5492687 |
mummy berry |
Monilinia vaccinii-corymbosi |
pseudosclerotia |
| 5492688 |
mummy berry |
Monilinia vaccinii-corymbosi |
pseudosclerotia |
| 5492689 |
mummy berry |
Monilinia vaccinii-corymbosi |
pseudosclerotia |
| 5486246 |
brown rot |
Monilinia fructicola |
|
| 5492244 |
powdery mildew |
Oidium caricae-papayae |
Diseased papaya leaves |
| 5488287 |
needlecasts |
Davisomycella spp. |
Hysterothecia evident in symptomatic needles |
| 5488286 |
needlecasts |
Davisomycella spp. |
Hysterothecia evident in symptomatic needles |
| 5488285 |
needlecasts |
Davisomycella spp. |
Hysterothecia evident in symptomatic needles |
| 5488288 |
needlecasts |
Davisomycella spp. |
Mature ascospore with gelatinous sheath |
| 5488282 |
needlecasts |
Davisomycella spp. |
Mature ascus with spores |
| 5488284 |
needlecasts |
Davisomycella spp. |
Mature asci with spores |
| 5488283 |
needlecasts |
Davisomycella spp. |
Mature asci with spores and surrounding paraphyses |
| 1503011 |
Lophodermium needle casts |
Lophodermium spp. |
Brown spot needle cast; loblolly pine |
| 1573178 |
powdery mildew |
Erysiphe pisi |
Powdery mildew on garden pea. June 1997 |
| 1573177 |
powdery mildew |
Erysiphe pisi |
Powdery mildew cleistothecia on pea leaf. June 1997 |
| 1573176 |
powdery mildew |
Erysiphe pisi |
Powdery mildew with cleistotecia on pea. June 1997 |
| 5491018 |
brown rot |
Monilinia fructicola |
|
| 5491019 |
brown rot |
Monilinia fructicola |
|
| 5491020 |
brown rot |
Monilinia fructicola |
|
| 5491021 |
brown rot |
Monilinia fructicola |
|
| 5491022 |
brown rot |
Monilinia fructicola |
|
| 5491023 |
brown rot |
Monilinia fructicola |
|
| 5491024 |
brown rot |
Monilinia fructicola |
|
| 5491025 |
brown rot |
Monilinia fructicola |
|
| 5491026 |
brown rot |
Monilinia fructicola |
|
| 5491027 |
brown rot |
Monilinia fructicola |
|
| 5491028 |
brown rot |
Monilinia fructicola |
|
| 1573147 |
mummy berry |
Monilinia vaccinii-corymbosi |
Sclerotium of Monilinia vaccinii-corymbosi from blueberry. Fruit on left has been converted into a sclerotium. Shriveled fruit on the right is a sclerotium in development. May 1997 |
| 1573146 |
mummy berry |
Monilinia vaccinii-corymbosi |
Sclerotium of Monilinia vaccinii-corymbosi from blueberry. May 1997 |
| 1573145 |
mummy berry |
Monilinia vaccinii-corymbosi |
Sclerotia of Monilinia vaccinii-corymbosi from blueberry. May 1997 |
| 1573111 |
powdery mildew |
Blumeria graminis |
Powdery mildew on wheat. Note the tiny black cleistothecia nested inside some of the patches of mycelium. May 1997 |
| 1573110 |
powdery mildew |
Blumeria graminis |
Powdery mildew wheat. May 1997 |
| 5485069 |
Entomosporium leaf spot |
Diplocarpon mespili |
Conidia |
| 5485649 |
brown rot |
Monilinia fructicola |
|
| 5485650 |
brown rot |
Monilinia fructicola |
|
| 5487929 |
powdery mildew |
Oidium spp. |
powdery mildew on leaves |
| 5487930 |
powdery mildew |
Oidium spp. |
white mycelium on leaf |
| 5487928 |
powdery mildew |
Oidium spp. |
leaf necrosis |
| 5487895 |
powdery mildew |
Oidium spp. |
White mycelium on underside of leaf |
| 5487896 |
powdery mildew |
Oidium spp. |
off color foliage |
| 5487897 |
powdery mildew |
Oidium spp. |
off color foliage |
| 5487898 |
powdery mildew |
Oidium spp. |
off color foliage |
| 5487899 |
powdery mildew |
Oidium spp. |
off color foliage |
| 5487894 |
powdery mildew |
Oidium spp. |
yellowing |
| 5487881 |
white rot |
Stromatinia cepivora |
Allium sativum 'German Red Hardneck'
yellowing and dieback |
| 5487882 |
white rot |
Stromatinia cepivora |
Allium sativum 'German Red Hardneck'
yellowing and dieback |
| 5487883 |
white rot |
Stromatinia cepivora |
Allium sativum 'German Red Hardneck'
small black sclerotia are visible |
| 5461627 |
|
Uncinula sp. |
|
| 5488178 |
powdery mildew |
Golovinomyces cichoracearum |
Infected foliage |
| 5488179 |
powdery mildew |
Golovinomyces cichoracearum |
Infected foliage with black chasmothecia apparent
Should be Golovinomyces cichoracearum |
| 5488180 |
powdery mildew |
Golovinomyces cichoracearum |
Infected foliage with black chasmothecia apparent |
| 5488181 |
powdery mildew |
Golovinomyces cichoracearum |
Conidium |
| 5488182 |
powdery mildew |
Golovinomyces cichoracearum |
Conidia |
| 5488183 |
powdery mildew |
Golovinomyces cichoracearum |
Conidia |
| 5488184 |
powdery mildew |
Golovinomyces cichoracearum |
Conidia |
| 5488185 |
powdery mildew |
Golovinomyces cichoracearum |
Ruptured chasmothecium with multiple two-spored asci |
| 5488186 |
powdery mildew |
Golovinomyces cichoracearum |
Ruptured chasmothecium with multiple two-spored asci |
| 5488187 |
powdery mildew |
Golovinomyces cichoracearum |
Ruptured chasmothecium with multiple two-spored asci |
| 5488188 |
powdery mildew |
Golovinomyces cichoracearum |
Ruptured chasmothecium with multiple two-spored asci |
| 5488189 |
powdery mildew |
Golovinomyces cichoracearum |
Two two-spored asci |
| 5486059 |
tar spot of maple |
Rhytisma acerinum |
Asci and paraphyses |
| 5486061 |
tar spot of maple |
Rhytisma acerinum |
Asci and paraphyses |
| 5488289 |
Lophodermium needle casts |
Lophodermium spp. |
Symptomatic infected foliage |
| 5488291 |
Lophodermium needle casts |
Lophodermium spp. |
Tip of ascus and released ascospore |
| 5488296 |
Lophodermium needle casts |
Lophodermium spp. |
Vertical section of apothecium |
| 5488190 |
powdery mildew |
Golovinomyces cichoracearum |
Infected leaf with mycelia and chasmothecia apparent |
| 5488191 |
powdery mildew |
Golovinomyces cichoracearum |
Symptomatic infected leaf |
| 5488192 |
powdery mildew |
Golovinomyces cichoracearum |
Conidia |
| 5488193 |
powdery mildew |
Golovinomyces cichoracearum |
Conidia |
| 5488194 |
powdery mildew |
Golovinomyces cichoracearum |
Conidia, surface view |
| 5488195 |
powdery mildew |
Golovinomyces cichoracearum |
Conidia |
| 5488196 |
powdery mildew |
Golovinomyces cichoracearum |
Conidia |
| 5488197 |
powdery mildew |
Golovinomyces cichoracearum |
Chasmothecia, at various stages of maturity, on leaf surface. |
| 5488198 |
powdery mildew |
Golovinomyces cichoracearum |
Chasmothecia, at various stages of maturity, on leaf surface. |
| 5488200 |
powdery mildew |
Golovinomyces cichoracearum |
Chasmothecia with mycelioid appendages |
| 5488201 |
powdery mildew |
Golovinomyces cichoracearum |
Chasmothecia with mycelioid appendages |
| 5488203 |
powdery mildew |
Golovinomyces cichoracearum |
Ruptured chasmothecium with multiple asci |
| 5488204 |
powdery mildew |
Golovinomyces cichoracearum |
Ruptured chasmothecium with multiple asci |
| 5488205 |
powdery mildew |
Golovinomyces cichoracearum |
Two-spored asci |
| 5488202 |
powdery mildew |
Golovinomyces cichoracearum |
Ruptured chasmothecium with multiple asci |
| 5488206 |
powdery mildew |
Golovinomyces cichoracearum |
Conidia in chains (catenate) on leaf surface. |
| 5488207 |
powdery mildew |
Golovinomyces cichoracearum |
Conidia in chains (catenate) on leaf surface. |
| 5488208 |
powdery mildew |
Golovinomyces cichoracearum |
Conidia in chains (catenate) on leaf surface. |
| 5488209 |
powdery mildew |
Golovinomyces cichoracearum |
Conidia |
| 5488281 |
tar spot needlecast |
Davisomycella ampla |
Vertical section of hysterothecium showing ascus with mature spores |
| 5488280 |
tar spot needlecast |
Davisomycella ampla |
Vertical section of hysterothecium with mature asci surrounded by paraphyses |
| 5488279 |
tar spot needlecast |
Davisomycella ampla |
Vertical section of hysterothecium with asci obvious |
| 5488278 |
tar spot needlecast |
Davisomycella ampla |
Vertical section of hysterothecium showing asci and paraphyses |
| 5488277 |
tar spot needlecast |
Davisomycella ampla |
Hysterothecia on needle |
| 5488276 |
tar spot needlecast |
Davisomycella ampla |
Hysterothecium on needle |
| 5488295 |
Lophodermium needle casts |
Lophodermium spp. |
Ascospores with gelatinous sheaths obvious |
| 5488294 |
Lophodermium needle casts |
Lophodermium spp. |
Ascospores with gelatinous sheaths obvious |
| 5488293 |
Lophodermium needle casts |
Lophodermium spp. |
Asci and paraphyses. Cotton blue stain. |
| 5488292 |
Lophodermium needle casts |
Lophodermium spp. |
Asci and paraphyses. Cotton blue stain. |
| 5488290 |
Lophodermium needle casts |
Lophodermium spp. |
Asci and paraphyses. Cotton blue stain. |
| 5488237 |
Ploioderma needle cast of pine |
Ploioderma lethale |
Ascospores within an ascus |
| 5488236 |
Ploioderma needle cast of pine |
Ploioderma lethale |
Ascospores with gelatinous sheaths |
| 5488235 |
Ploioderma needle cast of pine |
Ploioderma lethale |
Vertical section of apothecium showing ascospores (with gelatinous sheaths) and paraphyses |
| 5488234 |
Ploioderma needle cast of pine |
Ploioderma lethale |
Vertical section of apothecium |
| 5488233 |
Ploioderma needle cast of pine |
Ploioderma lethale |
Vertical section of apothecium showing asci and paraphyses |
| 5488232 |
Ploioderma needle cast of pine |
Ploioderma lethale |
Vertical section of apothecium showing asci and paraphyses |
| 5488231 |
Ploioderma needle cast of pine |
Ploioderma lethale |
Vertical section of apothecium |
| 5488230 |
Ploioderma needle cast of pine |
Ploioderma lethale |
Vertical section of apothecium showing asci and paraphyses |
| 5488229 |
Ploioderma needle cast of pine |
Ploioderma lethale |
Vertical section of apothecia |
| 5488228 |
Ploioderma needle cast of pine |
Ploioderma lethale |
Method of sectioning two apothecia using a glass slide |
| 5488227 |
Ploioderma needle cast of pine |
Ploioderma lethale |
Apothecium |
| 5488249 |
Cyclaneusma needle cast |
Cyclaneusma minus |
Ascospore with gelatinous appendages |
| 5488250 |
Cyclaneusma needle cast |
Cyclaneusma minus |
Ascospore with gelatinous appendages |
| 5488248 |
Cyclaneusma needle cast |
Cyclaneusma minus |
Paraphyses with oil droplets |
| 5488247 |
Cyclaneusma needle cast |
Cyclaneusma minus |
Ascus with ascospores surrounded by paraphyses with oil droplets |
| 5488246 |
Cyclaneusma needle cast |
Cyclaneusma minus |
Portion of ascus with ascospores surrounded by paraphyses with oil droplets |
| 5488245 |
Cyclaneusma needle cast |
Cyclaneusma minus |
Vertical section of apothecium with trapped air bubble |
| 5488244 |
Cyclaneusma needle cast |
Cyclaneusma minus |
Apothecium in needle |
| 5488243 |
Cyclaneusma needle cast |
Cyclaneusma minus |
Apothecium in needle |
| 5488218 |
powdery mildew |
Podosphaera macularis |
Conidium with fibrosin bodies evident |
| 5488217 |
powdery mildew |
Podosphaera macularis |
Conidia in chains |
| 5484008 |
powdery mildew |
Podosphaera fuliginea |
|
| 5484009 |
powdery mildew |
Podosphaera fuliginea |
|
| 5484010 |
powdery mildew |
Podosphaera fuliginea |
|
| 5484017 |
powdery mildew |
Podosphaera fuliginea |
|
| 5484018 |
powdery mildew |
Podosphaera fuliginea |
|
| 5484019 |
powdery mildew |
Podosphaera fuliginea |
|
| 5484020 |
powdery mildew |
Podosphaera fuliginea |
|
| 5484021 |
powdery mildew |
Podosphaera fuliginea |
|
| 5484022 |
powdery mildew |
Podosphaera fuliginea |
|
| 5484023 |
powdery mildew |
Podosphaera fuliginea |
|
| 5484024 |
powdery mildew |
Podosphaera fuliginea |
|
| 5484025 |
powdery mildew |
Podosphaera fuliginea |
|
| 5484026 |
powdery mildew |
Podosphaera fuliginea |
|
| 5484027 |
powdery mildew |
Podosphaera fuliginea |
|
| 5484028 |
powdery mildew |
Podosphaera fuliginea |
|
| 5484029 |
powdery mildew |
Podosphaera fuliginea |
|
| 5484030 |
powdery mildew |
Podosphaera fuliginea |
|
| 5486064 |
tar spot of maple |
Rhytisma acerinum |
Apothecia in tar spot with hymenia evident (Spring) |
| 5486063 |
tar spot of maple |
Rhytisma acerinum |
Apothecia in tar spots (Spring) |
| 5486062 |
tar spot of maple |
Rhytisma acerinum |
Apothecia in tar spots (Spring) |
| 5486060 |
tar spot of maple |
Rhytisma acerinum |
Ascospore with mucilagenous appendage apparent |
| 5486058 |
tar spot of maple |
Rhytisma acerinum |
Asci |
| 5486057 |
tar spot of maple |
Rhytisma acerinum |
Ascospores with mucilagenous appendage faintly apparent |
| 5486056 |
tar spot of maple |
Rhytisma acerinum |
Vertical cross-section of apothecium with asci and paraphyses apparent |
| 5486055 |
tar spots |
Rhytisma spp. |
Vertical cross-section of apothecium with ascospores emerging |
| 5486054 |
tar spot of maple |
Rhytisma acerinum |
Vertical cross-section of apothecium with ascospores emerging |
| 5486053 |
tar spot of maple |
Rhytisma acerinum |
Vertical cross-section of apothecium with ascospores emerging |
| 5486052 |
tar spot of maple |
Rhytisma acerinum |
Apothecia in tar spot with hymenia evident (Spring) |
| 1572833 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Tomato stems infected with Sclerotinia sclerotiorum will readily form sclerotia after incubation in a moist chamber for 48-72 hours. April 1997? |
| 1572832 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Tomato stem infected with Sclerotinia sclerotiorum shows white mycelium and soft rotted stem tissue. April 1997? |
| 1572831 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Tomato stem infected with Sclerotinia sclerotiorum after 24 hour incubation in a moist chamber. Note mycelium growing from infected stem tissue. Sclerotia will form within 48-72 hours. April 1997? |
| 1572830 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Close up of tomato stem infected with Sclerotinia sclerotiorum showing sclerotia after incubation in a moist chamber. April 1997? |
| 1572829 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Tomato stems infected with Sclerotinia sclerotiorum will readily form sclerotia after incubation in a moist chamber. Cottony mycelium is present and some sclerotia are beginning to form. See 1572826 some moist chamber 24-48 hours later. April 1997? |
| 1572826 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Tomato stems infected with Sclerotinia sclerotiorum will readily form sclerotia after incubation in a moist chamber. April 1997 |
| 5485070 |
Entomosporium leaf spot |
Diplocarpon mespili |
Leaf spots |
| 5485071 |
Entomosporium leaf spot |
Diplocarpon mespili |
Leaf spots |
| 5485079 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Cross section of a sclerotium of Sclerotinia sclerotiorum showing the creamy white interior.
Came off a poinsettia |
| 5485080 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Cross section of a sclerotium of Sclerotinia sclerotiorum.
Came off a poinsettia |
| 5485076 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Sclerotium of Sclerotinia sclerotiorum about a half a centimeter in length.
Came off a poinsettia |
| 5485077 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Came off of a Poinsettia |
| 5485078 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Sclerotinia sclerotiorum
Came off a poinsettia |
| 5485046 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Sclerotia of Sclerotinia sclerotiorum in a PDA culture. |
| 5485047 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
View of Sclerotinia sclerotiorum growing on PDA. |
| 5485048 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
View of Sclerotinia sclerotiorum growing on PDA. |
| 5485075 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Hyphae of Sclerotinia sclerotiorum mounted in aniline blue in lactophenol, viewed at 400x magnification. |
| 5485045 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Close up of a sclerotium of Sclerotinia sclerotiorum in a PDA culture. |
| 5485074 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Hyphae of Sclerotinia sclerotiorum at 400x magnification.
Host: poinsettia |
| 5485044 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
View from the bottom of the petri dish of a Sclerotinia sclerotiorum culture growing on PDA. |
| 5486070 |
Entomosporium leaf spot |
Diplocarpon mespili |
Infected leaves |
| 5484507 |
Blumeriella leaf spot of cherry and plum |
Blumeriella jaapii |
Conidia |
| 5484509 |
Blumeriella leaf spot of cherry and plum |
Blumeriella jaapii |
Shothole symptoms |
| 5484508 |
Blumeriella leaf spot of cherry and plum |
Blumeriella jaapii |
Conidium on conidiophore. |
| 5484506 |
Blumeriella leaf spot of cherry and plum |
Blumeriella jaapii |
Vertical section of acervulus of Phloeosporella anamorph. |
| 5484505 |
Blumeriella leaf spot of cherry and plum |
Blumeriella jaapii |
Vertical section of acervulus of Phloeosporella anamorph. |
| 5408114 |
Sclerotinia rots |
Sclerotinia spp. |
|
| 5458679 |
Dermea |
Dermea sp. |
conidia |
| 5482684 |
mummy berry |
Monilinia vaccinii-corymbosi |
|
| 5482685 |
mummy berry |
Monilinia vaccinii-corymbosi |
|
| 5482686 |
mummy berry |
Monilinia vaccinii-corymbosi |
|
| 5482687 |
mummy berry |
Monilinia vaccinii-corymbosi |
Pseudosclerotia (mummy berries) are the overwintering structures of the pathogen. |
| 5482688 |
mummy berry |
Monilinia vaccinii-corymbosi |
Pseudosclerotia (mummy berries) are the overwintering structures of the pathogen.? |
| 5482689 |
mummy berry |
Monilinia vaccinii-corymbosi |
|
| 5482690 |
mummy berry |
Monilinia vaccinii-corymbosi |
|
| 5482691 |
mummy berry |
Monilinia vaccinii-corymbosi |
Pseudosclerotia (mummy berries) are the overwintering structures of the pathogen.? |
| 5402969 |
powdery mildew |
Erysiphe cichoracearum |
|
| 5264096 |
black spot |
Diplocarpon rosae |
|
| 5479905 |
powdery mildew |
Oidium spp. |
Powdery mildew |
| 5479910 |
Atropellis canker |
Atropellis spp. |
Cankered branch of Virginia pine |
| 5479911 |
Atropellis canker |
Atropellis spp. |
black apothecia of the fungus on a branch canker |
| 5479903 |
powdery mildew |
Oidium spp. |
Powdery mildew |
| 5479904 |
powdery mildew |
Oidium spp. |
Powdery mildew |
| 5479912 |
powdery mildew |
Oidium spp. |
Powdery Mildew |
| 5479913 |
powdery mildew |
Oidium spp. |
Powdery Mildew |
| 5479906 |
powdery mildew |
Oidium spp. |
Powdery MildewCultivar is 'Franz Schubert' |
| 5479907 |
powdery mildew |
Oidium spp. |
Powdery MildewCultivar is 'Franz Schubert' |
| 5418722 |
powdery mildew |
Phyllactinia spp. |
Powdery mildew on winter wheat |
| 5418723 |
powdery mildew |
Phyllactinia spp. |
Powdery mildew on winter wheat |
| 5476013 |
powdery mildew |
Podosphaera xanthii |
Top surface of single pumpkin leaf infected with cucurbit powdery mildew. |
| 5476014 |
powdery mildew |
Podosphaera xanthii |
Bottom surface of single pumpkin leaf infected with cucurbit powdery mildew. |
| 1571738 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Lettuce drop disease showing distribution of the disease in the field. Often, single plants, or a group of adjacent plants, are affected. Diseased heads are easily detected. December 1995 |
| 5476318 |
powdery mildew |
Podosphaera xanthii |
Upper surface of pumpkin leaves infected with the Cucurbit Powdery mildew fungus, Podosphaera xanthii. |
| 5476319 |
powdery mildew |
Podosphaera xanthii |
Lower surface of pumpkin leaves infected with the Cucurbit Powdery mildew fungus, Podosphaera xanthii. |
| 5476320 |
powdery mildew |
Podosphaera xanthii |
Upper surface of a single pumpkin leaf infected with the Cucurbit Powdery mildew fungus, Podosphaera xanthii. |
| 5476321 |
powdery mildew |
Podosphaera xanthii |
Lower surface of a single pumpkin leaf infected with the Cucurbit Powdery mildew fungus, Podosphaera xanthii. |
| 5476330 |
powdery mildew |
Podosphaera xanthii |
Asexual spores (conidia) of the Cucurbit Powdery mildew fungus, Podosphaera xanthii. The spores were not exposed to 3% KOH solution. |
| 5476327 |
powdery mildew |
Podosphaera xanthii |
The Cucurbit Powdery mildew fungus, Podosphaera xanthii, as seen on a section of a pumpkin leaf on a microscope slide. The image is in black and white. |
| 5476328 |
powdery mildew |
Podosphaera xanthii |
Chains of asexual spores (conidia) of the Cucurbit Powdery mildew fungus, Podosphaera xanthii, as seen on a section of a pumpkin leaf on a microscope slide. The image is in black and white. |
| 5476329 |
powdery mildew |
Podosphaera xanthii |
Asexual spore-producing stractures (conidiophores) and spores (conidia) of the Cucurbit Powdery mildew fungus, Podosphaera xanthii. The fungal structures were not exposed to 3% KOH solution. |
| 5476323 |
powdery mildew |
Podosphaera xanthii |
Close-up of the upper surface of a single pumpkin leaf showing the characteristic white fungal growth of the Cucurbit Powdery mildew fungus, Podosphaera xanthii. |
| 5476324 |
powdery mildew |
Podosphaera xanthii |
Close-up of the characteristic white fungal growth of the Cucurbit Powdery mildew fungus, Podosphaera xanthii. Asexual spores (conidia) of the fungus can be seen in chains. |
| 5476322 |
powdery mildew |
Podosphaera xanthii |
Section of the upper surface of a single pumpkin leaf infected with the Cucurbit Powdery mildew fungus, Podosphaera xanthii. |
| 5476326 |
powdery mildew |
Podosphaera xanthii |
Close-up of spore-producing bodies (conidiophores) and chains of asexual spores (conida) of the Cucurbit Powdery mildew fungus, Podosphaera xanthii. |
| 5476325 |
powdery mildew |
Podosphaera xanthii |
Spore-producing bodies (conidiophores) and chains of asexual spores (conida) of the Cucurbit Powdery mildew fungus, Podosphaera xanthii. |
| 5476358 |
white-nose syndrome fungus |
Geomyces destructans |
on bats |
| 5476347 |
white-nose syndrome fungus |
Geomyces destructans |
Humans cans transport the spores. This is a gated cave to prevent human access. |
| 5476345 |
white-nose syndrome fungus |
Geomyces destructans |
Appears on the noses, wings, ears and feet of infected bats. It is a deadly disease affecting cave hibernating bats. |
| 5473583 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
White mold- also known as stem rot- symtptoms in soybean stems |
| 5473584 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
White mold |
| 5473253 |
leaf scorch |
Diplocarpon earlianum |
Close-up of two acervular conidiomata exuding conidia of Marssonina fragariae, the anamorph of Diplocarpon earlianum, the cause of strawberry leaf scorch. |
| 5473254 |
leaf scorch |
Diplocarpon earlianum |
Darkfield observation of three acervular conidiomata of Marssonina fragariae, the anamorph of Diplocarpon earlianum, the cause of strawberry leaf scorch. |
| 5473255 |
leaf scorch |
Diplocarpon earlianum |
Darkfield observation of one acervular conidioma with conidia of Marssonina fragariae, the anamorph of Diplocarpon earlianum, the cause of strawberry leaf scorch. |
| 5473256 |
leaf scorch |
Diplocarpon earlianum |
Conidia of Marssonina fragariae, the anamorph of Diplocarpon earlianum, the cause of strawberry leaf scorch. |
| 5473247 |
leaf scorch |
Diplocarpon earlianum |
Overall view of strawberry plants with the fungal disease Leaf scorch caused by Diplocarpon earlianum. |
| 5473248 |
leaf scorch |
Diplocarpon earlianum |
Leaves of strawberry plants with the fungal disease Leaf scorch caused by Diplocarpon earlianum. |
| 5473249 |
leaf scorch |
Diplocarpon earlianum |
Strawberry leaves with the fungal disease Leaf scorch caused by Diplocarpon earlianum. |
| 5473250 |
leaf scorch |
Diplocarpon earlianum |
Strawberry leaf with spotting due to the fungal disease Leaf scorch caused by Diplocarpon earlianum. |
| 5473251 |
leaf scorch |
Diplocarpon earlianum |
Strawberry leaf with spotting due to the fungal disease Leaf scorch caused by Diplocarpon earlianum. |
| 5473252 |
leaf scorch |
Diplocarpon earlianum |
Close-up of a single leaf spot on a strawberry leaf due to the fungal disease Leaf scorch caused by Diplocarpon earlianum. Several dark brown to black acervular conidiomata of the anamorph Marssonina fragariae can be seen within the spot. |
| 5472518 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5472519 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5472520 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5472861 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Timber rot lesion caused by Sclerotinia sclerotiorum on a tomato stem. |
| 5472862 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Close-up of a timber rot lesion on tomato. Sclerotia of Sclerotinia sclerotiorum are visible on the stem. |
| 5458843 |
powdery mildew |
Phyllactinia spp. |
Chasmothecium |
| 5459239 |
Entomosporium fungus |
Entomosporium spp. |
Cross-section of floor of acervulus |
| 5459236 |
Entomosporium fungus |
Entomosporium spp. |
Cross-section of acervuli in leaf tissue |
| 5454532 |
anthracnose |
Gloeosporium spp. |
|
| 5454531 |
anthracnose |
Gloeosporium spp. |
Note: photo taken during high precipitation levels in early spring. |
| 5459241 |
Entomosporium fungus |
Entomosporium spp. |
Infected leaves |
| 5459240 |
Entomosporium fungus |
Entomosporium spp. |
Acervulus cross-section with macroconidia |
| 5459238 |
Entomosporium fungus |
Entomosporium spp. |
Macroconidium (and microconidia?) |
| 5459237 |
Entomosporium fungus |
Entomosporium spp. |
Macroconidium |
| 5459235 |
Entomosporium fungus |
Entomosporium spp. |
Cross-section of acervulus in leaf tissue |
| 5459234 |
Entomosporium fungus |
Entomosporium spp. |
Unruptured acervuli on leaf surface |
| 1572176 |
powdery mildew |
Podosphaera fuliginea |
Chlorotic cantaloupe leaves showing almost complete colonization by powdery mildew. June 1996 |
| 1572175 |
powdery mildew |
Podosphaera fuliginea |
Cantaloupe leaf showing many powdery mildew lesions. June 1996 |
| 1572174 |
powdery mildew |
Podosphaera fuliginea |
Cantaloupe leaf showing many powdery mildew lesions. June 1996 |
| 1572172 |
powdery mildew |
Podosphaera fuliginea |
Underside of cantaloupe leaf showing many powdery mildew lesions. June 1996 |
| 1572171 |
powdery mildew |
Podosphaera fuliginea |
Healthy leaf (left) among severely infected leaves. June 1996 |
| 1572099 |
powdery mildew |
Podosphaera fuliginea |
Powdery mildew outbreak in watermelon field. Note the chlorotic area near the center of the frame where the disease is prevalent. May 1996 |
| 1571759 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Sclerotia and mycelium of Sclerotinia sclerotiorum on the underside of a head lettuce plant. The tip of a 0.5 mm mechanical pencil is used as a size marker. December 1995 |
| 1571757 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Sclerotia and mycelium of Sclerotinia sclerotiorum on the underside of a head lettuce plant. December 1995 |
| 1571744 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Early detection of lettuce drop is best done by looking at the base of the plant where lowest leaves are in contact with soil. Water-soaked tissue and presence of mycelium indicate that decay has begun. December 1995 |
| 1571741 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Lettuce drop disease showing mycelium and sclerotia. The pathogen infects on the underside of the plant where high moisture and senescent tissue are present. December 1995 |
| 1571740 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Lettuce drop disease showing a single plant "dropped". December 1995 |
| 1571739 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Lettuce drop disease showing mycelium and slerotia of the pathogen. December 1995 |
| 1571737 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Lettuce drop disease showing sclerotia and mycelium at the base of an iceberg lettuce plant. December 1995 |
| 5458838 |
powdery mildew |
Phyllactinia spp. |
Chasmothecium |
| 5458839 |
powdery mildew |
Phyllactinia spp. |
Chasmothecium |
| 5458842 |
powdery mildew |
Phyllactinia spp. |
Chasmothecium |
| 5458836 |
powdery mildew |
Phyllactinia spp. |
Chasmothecia |
| 5458837 |
powdery mildew |
Phyllactinia spp. |
Chasmothecia |
| 5458599 |
Ploioderma needle cast of pine |
Ploioderma lethale |
Ploioderma needlecast fruiting structure in mid-June in upstate New York. |
| 5458841 |
powdery mildew |
Phyllactinia spp. |
Chasmothecia |
| 5458840 |
powdery mildew |
Phyllactinia spp. |
Chasmothecia |
| 5469486 |
powdery mildew |
Erysiphe diffusa |
This plant also has Septoria brown spot. |
| 5469489 |
powdery mildew |
Erysiphe diffusa |
this plant also has Septoria brown spot. |
| 1570294 |
brown rot |
Monilinia fructicola |
Light micrograph of Monilinia fructicola chains of conidia at 100X, phase contrast. December 1991 |
| 1571760 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Sclerotia and mycelium of Sclerotinia sclerotiorum on lettuce. December 1995 |
| 5468285 |
ink spot leaf blight |
Ciborinia whetzelii |
|
| 5468286 |
ink spot leaf blight |
Ciborinia whetzelii |
|
| 5469494 |
powdery mildew |
Erysiphe diffusa |
|
| 5469495 |
powdery mildew |
Erysiphe diffusa |
|
| 5469491 |
powdery mildew |
Erysiphe diffusa |
|
| 5469492 |
powdery mildew |
Erysiphe diffusa |
|
| 5469493 |
powdery mildew |
Erysiphe diffusa |
|
| 5469490 |
powdery mildew |
Erysiphe diffusa |
|
| 5469487 |
powdery mildew |
Erysiphe diffusa |
|
| 5469488 |
powdery mildew |
Erysiphe diffusa |
|
| 5468287 |
ink spot leaf blight |
Ciborinia whetzelii |
|
| 5466890 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5466891 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5465742 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5466886 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5466887 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5466888 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5466889 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5466883 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5466884 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5466885 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5465743 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5465741 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5465736 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5465737 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5465738 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5465739 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5465744 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5465745 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5465746 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5465740 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5465735 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5458834 |
powdery mildew |
Erysiphe spp. |
Chasmothecium |
| 5458833 |
powdery mildew |
Erysiphe spp. |
Tip of chasmothecial appendages |
| 5458832 |
powdery mildew |
Erysiphe spp. |
Chasmothecial appendages |
| 5458831 |
powdery mildew |
Erysiphe spp. |
Chasmothecium |
| 5458830 |
powdery mildew |
Erysiphe spp. |
Chasmothecium |
| 5458829 |
powdery mildew |
Erysiphe spp. |
Tip of chasmothecial appendages |
| 5458828 |
powdery mildew |
Erysiphe spp. |
Chasmothecia on leaf surface |
| 5458827 |
powdery mildew |
Erysiphe spp. |
Mycelium on leaf surface |
| 5459272 |
powdery mildew |
Erysiphe spp. |
Infected leaves, upper side, with mycelium evident |
| 5459271 |
powdery mildew |
Erysiphe spp. |
Infected leaves, lower side, with mycelium evident |
| 5459270 |
powdery mildew |
Erysiphe spp. |
Ruptured chasmothecium with several asci |
| 5459269 |
powdery mildew |
Erysiphe spp. |
Dichotomously branched chasmothecial appendages |
| 5459268 |
powdery mildew |
Erysiphe spp. |
Ruptured chasmothecium with two asci emerging(one empty) |
| 5459267 |
powdery mildew |
Erysiphe spp. |
Ruptured chasmothecium with ascus emerging |
| 5459174 |
white rot |
Stromatinia cepivora |
Infested garlic bed |
| 5459173 |
white rot |
Stromatinia cepivora |
Infested garlic bed |
| 5459172 |
white rot |
Stromatinia cepivora |
Infested garlic bed |
| 5459171 |
white rot |
Stromatinia cepivora |
Close-up of sclerotial surface |
| 5459170 |
white rot |
Stromatinia cepivora |
Close-up of sclerotial surface |
| 5459169 |
white rot |
Stromatinia cepivora |
Sclerotia at base of stem |
| 5459168 |
white rot |
Stromatinia cepivora |
Sclerotia at base of stem |
| 5459167 |
white rot |
Stromatinia cepivora |
Sclerotia at base of stem |
| 5459166 |
white rot |
Stromatinia cepivora |
Sclerotia at base of stem |
| 5459165 |
white rot |
Stromatinia cepivora |
Sclerotia at base of stem |
| 5459195 |
white rot fungus |
Stromatinia gladioli |
Infected plants |
| 5459193 |
white rot fungus |
Stromatinia gladioli |
Sclerotia evident in tissues |
| 5459194 |
white rot fungus |
Stromatinia gladioli |
Sclerotia evident in tissues |
| 5459192 |
white rot fungus |
Stromatinia gladioli |
Symptomatic shredded leaf bases |
| 5459191 |
white rot fungus |
Stromatinia gladioli |
Symptomatic shredded leaf base |
| 5458835 |
powdery mildew |
Phyllactinia spp. |
Chasmothecia on leaf underside |
| 5458665 |
Ploioderma needle cast of pine |
Ploioderma lethale |
Eight mature ascospores |
| 5458603 |
Rhabdocline needlecast |
Rhabdocline weirii |
The fruiting bodies rupture the needle epidermis in spring exposing the spore bearing areas. |
| 5458636 |
Rhabdocline needlecast |
Rhabdocline weirii |
Rhabdocline apothecia are released when flaps of leaf epidermis fold back on either side of the midrib. |
| 5458390 |
powdery mildew |
Podosphaera spp. |
Conidia. |
| 5458391 |
powdery mildew |
Podosphaera spp. |
Infected fruit with chasmothecia at calyx end. |
| 5458392 |
powdery mildew |
Podosphaera spp. |
Chasmothecia at fruit calyx. |
| 5458394 |
powdery mildew |
Podosphaera spp. |
Chasmothecium with dichotomously branched appendage evident. |
| 5458395 |
powdery mildew |
Podosphaera spp. |
Chasmothecium. |
| 5458396 |
powdery mildew |
Podosphaera spp. |
Chasmothecium with single ascus. |
| 5458393 |
powdery mildew |
Podosphaera spp. |
Chasmothecia at fruit calyx. |
| 5458387 |
powdery mildew |
Podosphaera spp. |
Fruit covered by powdery mildew mycelium. |
| 5458388 |
powdery mildew |
Podosphaera spp. |
Mycelium and chasmothecia on fruit. |
| 5458389 |
powdery mildew |
Podosphaera spp. |
Conidia with fibrosin bodies evident |
| 5457959 |
brown rots |
Monilinia spp. |
fruiting bodies on twig |
| 5457958 |
brown rots |
Monilinia spp. |
fruiting bodies on leaf tissue |
| 5458337 |
tar spot of maple |
Rhytisma acerinum |
Black tar-like fruiting structures on the upper side of leaves are diagnostic signs of giant tar spot. |
| 1415093 |
pine needle cast |
Lophodermium pinastri |
Needlecast. July 16, 2002 |
| 5446317 |
powdery mildew |
Erysiphe betae |
varietal differences in powdery mildew tolerance on sugarbeet |
| 5446318 |
powdery mildew |
Erysiphe betae |
heavy infection with powdery mildew of sugar beet |
| 5446319 |
powdery mildew |
Erysiphe betae |
heavy infection with powdery mildew of sugar beet |
| 5446320 |
powdery mildew |
Erysiphe betae |
disease onset of powdery mildew of sugar beet |
| 5446321 |
powdery mildew |
Erysiphe betae |
heavy infection with powdery mildew of sugar beet |
| 5446323 |
powdery mildew |
Erysiphe betae |
scouting for powdery mildew on sugar beet, leave rolled over finger for better visualization of mycelium patch |
| 5446324 |
powdery mildew |
Erysiphe betae |
cleistothecia of powdery mildew of sugar beet |
| 5446325 |
powdery mildew |
Erysiphe betae |
sugar beet infected with powdery mildew under greenhouse conditions |
| 5446326 |
powdery mildew |
Erysiphe betae |
close-up of cleistothecia of powdery mildew of sugar beet |
| 5446327 |
powdery mildew |
Erysiphe betae |
close-up of cleistothecia of powdery mildew of sugar beet |
| 5446328 |
powdery mildew |
Erysiphe betae |
close-up of mycelium patch of powdery mildew of sugar beet |
| 5446322 |
powdery mildew |
Erysiphe betae |
close-up of powdery mildew mycelium patch |
| 5446329 |
powdery mildew |
Erysiphe betae |
close-up of mycelium patch of powdery mildew of sugar beet showing conidiophores |
| 5446330 |
powdery mildew |
Erysiphe betae |
older sugar beet leave heavily infected with powdery mildew |
| 5446331 |
powdery mildew |
Erysiphe betae |
cleistothecia of powdery mildew of sugar beet |
| 1571448 |
powdery mildew |
Podosphaera xanthii |
Powdery mildew lesions caused by Podosphaera xanthii. July 1995 |
| 1571367 |
powdery mildew |
Podosphaera xanthii |
Watermelon leaf showing an even distribution of powdery mildew (Podosphaera xanthii) over the entire leaf surface. June 1995 |
| 1571371 |
powdery mildew |
Podosphaera xanthii |
White sporulation of Podosphaera xanthii on cantaloupe leaves. June 1995 |
| 1571441 |
powdery mildew |
Podosphaera xanthii |
Powdery mildew lesions caused by Podosphaera xanthii. July 1995 |
| 1571442 |
powdery mildew |
Podosphaera xanthii |
Powdery mildew lesions caused by Podosphaera xanthii. July 1995 |
| 1571450 |
powdery mildew |
Podosphaera xanthii |
Powdery mildew lesions caused by Podosphaera xanthii. July 1995 |
| 1571447 |
powdery mildew |
Podosphaera xanthii |
Powdery mildew lesions caused by Podosphaera xanthii. July 1995 |
| 1571452 |
powdery mildew |
Podosphaera xanthii |
Powdery mildew lesions caused by Podosphaera xanthii. July 1995 |
| 1571444 |
powdery mildew |
Podosphaera xanthii |
Powdery mildew lesions caused by Podosphaera xanthii. July 1995 |
| 1571438 |
powdery mildew |
Podosphaera xanthii |
Powdery mildew lesions caused by Podosphaera xanthii. July 1995 |
| 1571440 |
powdery mildew |
Podosphaera xanthii |
Powdery mildew lesions caused by Podosphaera xanthii nearly cover the entire leaf surface. July 1995 |
| 5445229 |
powdery mildew |
Podosphaera macularis |
Leaf infection of cannabis |
| 1224001 |
powdery mildew |
Microsphaera penicillata |
|
| 0485002 |
Ploioderma needle cast of pine |
Ploioderma lethale |
advanced symptoms |
| 1467361 |
Elytroderma needle cast of pine |
Elytroderma deformans |
|
| 1233235 |
powdery mildew |
Blumeria graminis |
|
| 1415217 |
Phacidium fungus |
Phacidium coniferarum |
Conidia on the bark. July 21, 2003 |
| 1467396 |
fir needle cast |
Lirula abietis-concoloris |
hysterothecium (top) and pycnidia (bottom) |
| 1570711 |
earth tongue |
Spathularia spp. |
Spathularia sp. September 1993 |
| 5427716 |
Marssonina leaf spots |
Marssonina spp. |
Marssonina leaf spot symptoms on bittersweet leaf |
| 5408692 |
powdery mildew |
Oidium spp. |
Powdery mildew
Pathogen type: Fungus |
| 5408693 |
powdery mildew |
Oidium spp. |
Powdery mildew
Pathogen type: Fungus |
| 1236181 |
powdery mildew |
Podosphaera leucotricha |
|
| 4823056 |
pine needle cast |
Lophodermella cerina |
Hysterothecia, small (1-2 mm), black elongated fruting bodies which produce ascospores, on necrotic needles. Also present are the smaller conidiomata. |
| 2652013 |
spruce needle cast/blight |
Lirula macrospora |
long black fruiting bodies |
| 2251056 |
lodgepole pine needle cast |
Lophodermella concolor |
older stand with injury |
| 2251057 |
lodgepole pine needle cast |
Lophodermella concolor |
young stand in foreground with injury |
| 2251058 |
pine needle cast |
Lophodermium pinastri |
severe infection |
| 2251040 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
close-up view of symptoms on Douglas-fir |
| 2251036 |
larch needle cast |
Hypodermella laricis |
diseased needles |
| 2251037 |
larch needle cast |
Hypodermella laricis |
needles with fruiting bodies |
| 2251019 |
Dermea canker |
Dermea pseudotsugae |
canker with bark removed |
| 2251013 |
Atropellis canker |
Atropellis piniphila |
close-up view of branch canker |
| 0364014 |
Rhabdocline needlecasts |
Rhabdocline spp. |
symptoms on blue spruce |
| 0364016 |
Rhabdocline needlecasts |
Rhabdocline spp. |
symptoms on blue spruce |
| 1261218 |
tar spot of maple |
Rhytisma acerinum |
Poland |
| 1436149 |
camellia flower blight |
Ciborinia camelliae |
apothecium |
| 1436120 |
powdery mildew |
Podosphaera fuliginea |
|
| 1436059 |
powdery mildew |
Microsphaera penicillata |
|
| 1406097 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
only red pine trees are damaged |
| 1406099 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
Scleroderris moving up red pine |
| 1406073 |
Lophodermium needle casts |
Lophodermium spp. |
|
| 1406072 |
Lophodermium needle casts |
Lophodermium spp. |
|
| 1406069 |
pine needle cast |
Lophodermium pinastri |
|
| 1406064 |
pine needle cast |
Lophodermium pinastri |
winter burn and Lophodermium on 40,000 Northern Christmas trees, Holman Farm |
| 1398006 |
Lophodermium needle casts |
Lophodermium spp. |
|
| 4822070 |
powdery mildew |
Microsphaera penicillata |
cleistothecium with white branched appendages which produce ascospores |
| 1233034 |
black spot |
Diplocarpon rosae |
|
| 4544039 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
|
| 4544069 |
pine needle cast |
Lophodermium pinastri |
|
| 0177065 |
brown rot |
Monilinia fructicola |
Lesions on apricot fruit due to Monilinia fructicola, M. laxa & M. fructigena.Top left-control; top centre-M. laxa; top right-M. fructigena;bottom left-M. fructigena; bottom centre-M. fructicola; bottom right-M.laxa. |
| 0177064 |
brown rot |
Monilinia fructicola |
Lesions on plum fruit due to Monilinia fructicola, M. laxa & M. fructigena.Top left-control; top centre-M. laxa; top right-M. fructigena;bottom left-M. fructigena; bottom centre-M. fructicola; bottom right-M.laxa. |
| 1371071 |
pine needle cast |
Lophodermium pinastri |
Yellow to red bands - first symptoms of the needle infection in autumn. Malacky, Slovakia |
| 0364085 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
orange needle bases, found in May and June |
| 0364015 |
Rhabdocline needlecasts |
Rhabdocline spp. |
symptoms on blue spruce |
| 4212100 |
spruce needle cast/blight |
Lirula macrospora |
on needles |
| 0485001 |
Ploioderma needle cast of pine |
Ploioderma lethale |
|
| 1406071 |
pine needle cast |
Lophodermium pinastri |
|
| 1467141 |
Scleroderris canker of western firs |
Grovesiella abieticola |
pycnidia on dead bark |
| 5440154 |
dollar spot |
Sclerotinia homoeocarpa |
12/12 light/dark at 27C
Top of culture on Day 8 |
| 5440153 |
dollar spot |
Sclerotinia homoeocarpa |
12/12 light/dark at 27 C
Bottom of culture on Day 8 |
| 5440150 |
dollar spot |
Sclerotinia homoeocarpa |
12/12 light/dark at 27 C
Top of culture on Day 4 |
| 5440151 |
dollar spot |
Sclerotinia homoeocarpa |
12/12 light/dark at 27 C
Bottom of culture on Day 6 |
| 5440152 |
dollar spot |
Sclerotinia homoeocarpa |
12/12 light/dark at 27 C
Top of culture on Day 6 |
| 5440148 |
dollar spot |
Sclerotinia homoeocarpa |
12/12 light/dark at 27 C
Top of culture on Day 2 |
| 5440149 |
dollar spot |
Sclerotinia homoeocarpa |
12/12 light/dark at 27 C
Bottom of culture on Day 4 |
| 5440147 |
dollar spot |
Sclerotinia homoeocarpa |
12/12 light/dark at 27 C
Bottom of culture on Day 2 |
| 1371045 |
European larch canker |
Lachnellula willkommii |
Canker - necrotic cracks. Cervená Skala, Slovakia |
| 1467378 |
Medusa needle blight |
Davisomycella medusa |
|
| 0534050 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
|
| 1371046 |
European larch canker |
Lachnellula willkommii |
Cervená Skala, Slovakia |
| 1467386 |
white pine needlecast |
Lophodermella arcuata |
|
| 1467393 |
needle cast |
Virgella robusta |
|
| 1467381 |
Medusa needle blight |
Davisomycella medusa |
|
| 1371059 |
Cenangium limb canker |
Cenangium ferruginosum |
Trencín, Slovakia |
| 1198019 |
blue stain |
Chlorociboria aeruginascens |
Saprophytic on well-decayed wood. Stains wood blue-green. The small sporocarps shown here are rarely seen. |
| 1406102 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
Oneida County Forest |
| 4215055 |
sooty-bark canker |
Encoelia pruinosa |
canker on aspen |
| 2251054 |
lodgepole pine needle cast |
Lophodermella concolor |
symptomatic tree |
| 4554042 |
tar spots |
Rhytisma spp. |
|
| 1436148 |
camellia flower blight |
Ciborinia camelliae |
confined to flower petals |
| 1415105 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
Branch dieback. July 23, 2002 |
| 1406196 |
tar spot needlecast |
Davisomycella ampla |
|
| 2251018 |
Dermea canker |
Dermea pseudotsugae |
|
| 1467365 |
Elytroderma needle cast of pine |
Elytroderma deformans |
|
| 4212092 |
tar spot needlecast |
Davisomycella ampla |
heavy infection |
| 2251041 |
larch needle cast |
Hypodermella laricis |
on old needles and new growth |
| 1261096 |
tar spot of maple |
Rhytisma acerinum |
Poland |
| 4449023 |
pine needle cast |
Lophodermium pinastri |
hysterothecia |
| 1371103 |
Pezicula fungus |
Pezicula cinnamomea |
Cankers. Göttingen, Germany |
| 1400172 |
zonate leaf spot |
Grovesinia pyramidalis |
|
| 4823058 |
Lophodermium needle casts |
Lophodermium spp. |
Healthy trees (left), severe infection (center), moderate infection (right). |
| 4544035 |
spruce needle cast |
Lophodermium piceae |
|
| 4178020 |
pine needle cast |
Lophodermella cerina |
infected needles in Loblolly pine crown |
| 2251055 |
lodgepole pine needle cast |
Lophodermella concolor |
systematic needles |
| 4544036 |
spruce needle cast/blight |
Lirula macrospora |
|
| 1415197 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
Branch dieback. June 22, 2003 |
| 1415202 |
Phacidium fungus |
Phacidium coniferarum |
Pyknidia. July 8, 2003 |
| 1371070 |
pine needle cast |
Lophodermium pinastri |
Needle-cast on the sandy stand at the end of winter. Malacky, Slovakia |
| 1406090 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
|
| 1406078 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
|
| 1406070 |
pine needle cast |
Lophodermium pinastri |
|
| 1406068 |
pine needle cast |
Lophodermium nitens |
|
| 1406089 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
|
| 1236033 |
powdery mildew |
Podosphaera leucotricha |
to fruit |
| 1241575 |
fir needle cast |
Isthmiella abietis |
Fruiting bodies (hysterothecia) of Isthmiella abietis (needle cast) on midrib of subalpine fir needles. |
| 1415194 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
June 22, 2003 |
| 1415092 |
pine needle cast |
Lophodermium pinastri |
Needlecast. July 16, 2002 |
| 1415091 |
pine needle cast |
Lophodermium pinastri |
Needlecast. July 16, 2002 |
| 1415097 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
Branch dieback. July 16, 2002 |
| 1406076 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
|
| 1415173 |
pine needle cast |
Lophodermium pinastri |
May 16, 2003 |
| 1415015 |
pine needle cast |
Lophodermium pinastri |
May 2, 2005 |
| 1415057 |
European larch canker |
Lachnellula willkommii |
Canker. June 17, 2002 |
| 5436335 |
powdery mildew |
Erysiphe betae |
Powdery mildew of Gerbera |
| 5436332 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Sclerotinia sclerotium |
| 5435810 |
Botrytis leaf blight |
Botrytis squamosa |
|
| 5435811 |
Botrytis leaf blight |
Botrytis squamosa |
|
| 5435812 |
Botrytis leaf blight |
Botrytis squamosa |
|
| 5435813 |
Botrytis leaf blight |
Botrytis squamosa |
|
| 5435814 |
Botrytis leaf blight |
Botrytis squamosa |
|
| 4178019 |
pine needle cast |
Lophodermella cerina |
on loblolly pine; Camp Livingston 85 |
| 1241612 |
lodgepole pine needle cast |
Lophodermella concolor |
Lophodermella concolor turns needles bright red-brown just before bud break in the spring. |
| 1467366 |
Elytroderma needle cast of pine |
Elytroderma deformans |
|
| 1415016 |
pine needle cast |
Lophodermium pinastri |
needlecast. May 2, 2005 |
| 4544070 |
pine needle cast |
Lophodermium pinastri |
|
| 1241567 |
Rhabdocline needlecasts |
Rhabdocline spp. |
Rhabdocline apothecia are released when flaps of leaf epidermis fold back on either side of the midrib. |
| 1415190 |
European larch canker |
Lachnellula willkommii |
June 20, 2003 |
| 1241709 |
Atropellis canker |
Atropellis piniphila |
Atropellis canker on a lodgepole pine stem. The bark is tight, and dead branches are often present within the cankered area. |
| 1415059 |
Cenangium limb canker |
Cenangium ferruginosum |
June 17, 2002 |
| 4213016 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
dead shoots on seedling |
| 1406100 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
|
| 2251031 |
Dasyscypha cankers |
Lachnellula spp. |
stem canker |
| 4213047 |
Cenangium cankers |
Cenangium spp. |
|
| 1236150 |
brown rot |
Monilinia fructicola |
|
| 2652012 |
spruce needle cast/blight |
Lirula macrospora |
in southeast Alaska |
| 1415184 |
Ciboria fungus |
Ciboria batschiana |
Acorn necrosis. June 20, 2003 |
| 1415014 |
pine needle cast |
Lophodermium pinastri |
May 2, 2005 |
| 1415196 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
June 22, 2003 |
| 1436158 |
powdery mildew |
Podosphaera spp. |
|
| 2251079 |
tar spot of maple |
Rhytisma acerinum |
early stage on maple leaves |
| 4544091 |
needlecast |
Meloderma desmazieri |
|
| 1415198 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
June 24, 2003 |
| 1467367 |
Elytroderma needle cast of pine |
Elytroderma deformans |
|
| 4178006 |
pine needle cast |
Lophodermella cerina |
Loblolly pine, Camp Livingston |
| 1400173 |
zonate leaf spot |
Grovesinia pyramidalis |
|
| 1467372 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
|
| 1436142 |
tar spot of maple |
Rhytisma acerinum |
|
| 1415088 |
pine needle cast |
Lophodermium pinastri |
Needlecast. July 16, 2002 |
| 4544037 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
|
| 1406079 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
lower branches infected with Scleroderris canker |
| 1406096 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
|
| 1436084 |
brown rot |
Monilinia fructicola |
|
| 5435602 |
powdery mildew |
Erysiphe necator |
|
| 5435604 |
powdery mildew |
Phyllactinia mali |
|
| 1467142 |
Cenangium limb canker |
Cenangium ferruginosum |
|
| 2251030 |
Dasyscypha cankers |
Lachnellula spp. |
terminal shoot dieback |
| 1415089 |
European larch canker |
Lachnellula willkommii |
Canker. July 16, 2002 |
| 0534084 |
European larch canker |
Lachnellula willkommii |
|
| 1436083 |
brown rot |
Monilinia fructicola |
on fruit |
| 2251046 |
Elytroderma needle cast of pine |
Elytroderma deformans |
symptomatic needles and upturned branches |
| 1241574 |
fir needle casts |
Lirula spp. |
Symptom pattern on fir branches. The red foliage was infected in the previous year. |
| 1415189 |
European larch canker |
Lachnellula willkommii |
Canker. June 20, 2003 |
| 2169014 |
tar spot of maple |
Rhytisma acerinum |
Salaj County, Central Romania (1 september, 2005) |
| 1406101 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
|
| 1415106 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
Branch dieback. July 23, 2002 |
| 4449035 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 1415193 |
spruce needle cast/blight |
Lirula macrospora |
June 20, 2003 |
| 1371075 |
powdery mildew of oak |
Microsphaera alphitoides |
White powdery film. Krupina, Slovakia |
| 1406098 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
|
| 1371072 |
pine needle cast |
Lophodermium pinastri |
Brown needles with black short lines of anamorph stage. Malacky, Slovakia |
| 1241566 |
Rhabdocline needlecasts |
Rhabdocline spp. |
Rhabdocline apothecia are released when flaps of leaf epidermis fold back on either side of the midrib. |
| 1371044 |
European larch canker |
Lachnellula willkommii |
Canker. Cervená Skala, Slovakia |
| 1241613 |
lodgepole pine needle cast |
Lophodermella concolor |
Lophodermella concolor turns needles bright red-brown just before bud break in the spring. |
| 2251014 |
Atropellis canker |
Atropellis piniphila |
on lodgepole pine |
| 4213015 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
orange needle bases, found in May and June |
| 1406067 |
Lophodermium needle casts |
Lophodermium spp. |
|
| 1400143 |
zonate leaf spot |
Grovesinia pyramidalis |
|
| 1415107 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
Branch dieback. July 23, 2002 |
| 4212090 |
tar spot needlecast |
Davisomycella ampla |
symptomatic needles |
| 1467022 |
larch needle cast |
Hypodermella laricis |
|
| 1473151 |
lodgepole pine needle cast |
Lophodermella concolor |
6/1/1966 Larimer Co., Colorado |
| 1406063 |
Lophodermium needle casts |
Lophodermium spp. |
|
| 1415073 |
cherry leaf spot |
Blumeria jaapii |
Necrotic spots. July 9, 2002 |
| 5430482 |
powdery mildew |
Erysiphe pulchra |
Powdery mildew fungal growth on the foliage of dogwood leaves and shoot. |
| 5424444 |
black spot |
Diplocarpon rosae |
Leaves with feathery black spots of similar size with surrounding tissue turning yellow/brown. |
| 5424445 |
black spot |
Diplocarpon rosae |
Leaves with feathery black spots of varying size, some with surrounding tissue turning yellow others not. |
| 5427738 |
black spot |
Diplocarpon rosae |
Circular black spots with feathery margins and yellowing typical of black spot of rose |
| 5424472 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Infection is usually seen on a group of plants in a float tray. As the plants die and more air gets into this area, the advance of the fungus is limited by the less humid conditions created. |
| 5388315 |
black spot |
Diplocarpon rosae |
Black spot is on these leaves. |
| 1234133 |
black spot |
Diplocarpon rosae |
|
| 1241616 |
pine needle cast |
Lophodermium nitens |
Lophodermium nitens has caused severe defoliation in this western white pine. |
| 1241617 |
pine needle cast |
Lophodermium nitens |
The wilted needles are red-brown with dark mottling at first, then gray. |
| 1235059 |
brown rot |
Monilinia fructicola |
|
| 1436133 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 4213048 |
Cenangium cankers |
Cenangium spp. |
view of infected trees |
| 1415168 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
April 30, 2003 |
| 2634073 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
orange needle bases found, May and June |
| 1241614 |
lodgepole pine needle cast |
Lophodermella concolor |
Fruiting bodies, produced during bud break, are the same color as the dead needles, giving the needles a warty appearance. |
| 1241586 |
larch needle cast |
Hypodermella laricis |
Larch needle blight causes needles to droop on branches turning red the first year. |
| 1415017 |
pine needle cast |
Lophodermium pinastri |
May 2, 2005 |
| 1406086 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
|
| 1415166 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
April 30, 2003 |
| 0534047 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
|
| 0541045 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 0541046 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 0541047 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 1415167 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
April 30, 2003 |
| 2251038 |
tar spot needlecast |
Davisomycella ampla |
Douglas-fir Christmas tree plantation |
| 1415172 |
pine needle cast |
Lophodermium pinastri |
On seedlings. May 16, 2003 |
| 5424434 |
Marssonina leaf spots |
Marssonina spp. |
Close-up of one spot on lower surface of leaf with a single spore-producing body ("acervulus"). |
| 5424435 |
Marssonina leaf spots |
Marssonina spp. |
Close-up of one spot on lower surface of leaf with a single spore-producing body ("acervulus"). |
| 5424436 |
Marssonina leaf spots |
Marssonina spp. |
Close-up of one spot on lower surface of leaf with a single spore-producing body ("acervulus"). |
| 5424437 |
Marssonina leaf spots |
Marssonina spp. |
Spores of a species of the fungus Marssonina. |
| 1236076 |
brown rot |
Monilinia fructicola |
|
| 0534060 |
tar spot of maple |
Rhytisma acerinum |
|
| 0534059 |
tar spot of maple |
Rhytisma acerinum |
|
| 0534038 |
spruce needle cast |
Lophodermium piceae |
|
| 1415171 |
Lophodermium needle casts |
Lophodermium spp. |
May 16, 2003 |
| 0534048 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
|
| 0534049 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
|
| 1406087 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
|
| 1241587 |
larch needle cast |
Hypodermella laricis |
Black dots of fruiting bodies form in midsummer on needles. |
| 1467382 |
Medusa needle blight |
Davisomycella medusa |
|
| 1199025 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
Death of lower branches. |
| 5429804 |
powdery mildew |
Leveillula taurica |
|
| 5429805 |
powdery mildew |
Leveillula taurica |
|
| 5429806 |
powdery mildew |
Leveillula taurica |
|
| 1241565 |
Rhabdocline needlecasts |
Rhabdocline spp. |
Red spots and transverse banding on infected needles. |
| 2169015 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 1406065 |
pine needle cast |
Lophodermium pinastri |
17 Maneb sprays and check bed |
| 2251017 |
Dermea canker |
Dermea pseudotsugae |
|
| 1415098 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
Branch dieback. July 16, 2002 |
| 1406062 |
pine needle cast |
Lophodermium pinastri |
|
| 1406060 |
Lophodermium needle casts |
Lophodermium spp. |
|
| 2251059 |
pine needle cast |
Lophodermium pinastri |
infected needles |
| 4212091 |
tar spot needlecast |
Davisomycella ampla |
|
| 2111027 |
powdery mildew |
Phyllactinia guttata |
symptoms on foliage |
| 2251034 |
larch needle cast |
Hypodermella laricis |
large area of injury |
| 2251033 |
larch needle cast |
Hypodermella laricis |
symptomatic needles |
| 2251028 |
Dasyscypha cankers |
Dasyscyphus spp. |
stem canker and fruiting bodies |
| 2251032 |
Dasyscypha cankers |
Dasyscyphus spp. |
stem canker on young tree |
| 4823057 |
Lophodermium needle casts |
Lophodermium spp. |
Severe infection. |
| 1406061 |
pine needle cast |
Lophodermium pinastri |
|
| 1371049 |
Phacidium fungus |
Phacidium coniferarum |
Canker on twig. Nemecká, Slovakia |
| 1415104 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
Branch dieback. July 23, 2002 |
| 1467379 |
Medusa needle blight |
Davisomycella medusa |
|
| 5411409 |
powdery mildew |
Golovinomyces cichoracearum |
powdery mildew on leaf |
| 1415183 |
Ciboria fungus |
Ciboria batschiana |
Acorn necrosis. June 20, 2003 |
| 1233230 |
brown rot |
Monilinia fructicola |
|
| 1467385 |
white pine needlecast |
Lophodermella arcuata |
|
| 1436138 |
powdery mildew |
Microsphaera penicillata |
|
| 1467404 |
pine needle cast |
Lophodermium nitens |
black shiny hyserothecia |
| 1415074 |
cherry leaf spot |
Blumeria jaapii |
Necrotic spots. July 9, 2002 |
| 1467398 |
common snow mold |
Phacidium infestans |
|
| 1415267 |
needle cast |
Lophodermium seditiosum |
|
| 1467383 |
Medusa needle blight |
Davisomycella medusa |
|
| 1406088 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
red pine plantation |
| 1467384 |
Medusa needle blight |
Davisomycella medusa |
hysterothecia |
| 1233233 |
powdery mildew |
Blumeria graminis |
|
| 1241615 |
white pine needlecast |
Lophodermella arcuata |
Chronic infection has killed all except the current season's foliage. |
| 1436036 |
alfalfa leaf spot |
Pseudopeziza medicaginis |
|
| 1400171 |
zonate leaf spot |
Grovesinia pyramidalis |
|
| 1467405 |
pine needle cast |
Lophodermium pinastri |
hysterothecia |
| 1406077 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
|
| 1399114 |
powdery mildews |
|
on hybrid poplar |
| 1467392 |
needle cast |
Virgella robusta |
|
| 4449026 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 4212086 |
tar spot of maple |
Rhytisma acerinum |
early stage on leaves |
| 1467402 |
needlecast |
Bifusella pini |
hysterothcia (black irregular lines); pycnidia (brown structures); all fruiting structures confined to sorid areas |
| 1436037 |
yellow leaf blotch |
Pseudopeziza jonesii |
|
| 2251039 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
advanced symptoms at Christmas Tree Plantation |
| 1406103 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
cut in Oneida County Forest. Diameter 7 inches |
| 1241506 |
Elytroderma needle cast of pine |
Elytroderma deformans |
Witches brooms form in systemically infected branches. |
| 1467400 |
common snow mold |
Phacidium infestans |
apothecia |
| 1467368 |
Elytroderma needle cast of pine |
Elytroderma deformans |
witch's broom |
| 2251015 |
Atropellis canker |
Atropellis piniphila |
stained wood with bark removed |
| 1467120 |
Elytroderma needle cast of pine |
Elytroderma deformans |
|
| 1415090 |
pine needle cast |
Lophodermium pinastri |
Needlecast. July 16, 2002 |
| 5427612 |
leaf spots |
Cristulariella spp. |
Leaf spots |
| 5427613 |
leaf spots |
Cristulariella spp. |
Globose cells developing from conidium |
| 5427617 |
leaf spots |
Cristulariella spp. |
Leaf spot |
| 5427618 |
leaf spots |
Cristulariella spp. |
Conidia growing from leaf spot |
| 5427614 |
leaf spots |
Cristulariella spp. |
Conidium |
| 5427615 |
leaf spots |
Cristulariella spp. |
Conidium |
| 5427616 |
leaf spots |
Cristulariella spp. |
Apex of conidium with globose cells |
| 1415201 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
July 4, 2003 |
| 1241576 |
fir needle cast |
Lirula abietis-concoloris |
Lirula abietis (needle cast) fruiting bodies (hysterothecia) on midrib of undersides of grand fir needles. |
| 5407864 |
powdery mildew |
Erysiphe necator |
Berries in a grape bunch covered with the white powdery fungal growth of Uncinula necator (powdery mildew) |
| 5407865 |
powdery mildew |
Erysiphe necator |
White powdery fungal growth covering the upper side of grape leaves infected with Uncinula necator (powdery mildew) |
| 1467397 |
fir needle cast |
Lirula abietis-concoloris |
hysterothecium |
| 1361143 |
Lophodermium needle casts |
Lophodermium spp. |
|
| 1467395 |
fir needle cast |
Lirula abietis-concoloris |
long black hysterothecium along midrib (top) conidia along sulcus on upper surface (bottom) |
| 1467376 |
Rhabdocline needlecast |
Rhabdocline weirii |
|
| 1415192 |
spruce needle cast/blight |
Lirula macrospora |
June 20, 2003 |
| 1571082 |
powdery mildew |
Erysiphe betae |
Underside of leaf showing powdery mildew of sugar beet caused by Erysiphe polygoni. March 1995 |
| 1571085 |
powdery mildew |
Erysiphe betae |
Sugar beet leaf showing powdery mildew caused by Erysiphe polygoni. March 1995 |
| 1571083 |
powdery mildew |
Erysiphe betae |
Underside of leaf showing powdery mildew caused by Erysiphe polygoni. March 1995 |
| 1571084 |
powdery mildew |
Erysiphe betae |
Close-up of underside of leaf showing powdery mildew caused by Erysiphe polygoni. March 1995 |
| 1571086 |
powdery mildew |
Erysiphe betae |
Close-up of sugar beet leaf showing powdery mildew caused by Erysiphe polygoni. March 1995 |
| 1571087 |
powdery mildew |
Erysiphe betae |
Sugar beet leaf showing powdery mildew caused by Erysiphe polygoni. Note the chlorosis associated with the disease. March 1995 |
| 1571088 |
powdery mildew |
Erysiphe betae |
Sugar beet leaf showing powdery mildew caused by Erysiphe polygoni. Note that stems are also affected. March 1995 |
| 1571089 |
powdery mildew |
Erysiphe betae |
A single powdery mildew (caused by Erysiphe polygoni) lesion on the underside of a sugar beet leaf. March 1995 |
| 5058046 |
tar spot |
Rhytisma punctatum |
Sporocarps on leaves |
| 5058047 |
tar spot |
Rhytisma punctatum |
Sporocarps on leaves |
| 1473180 |
Cenangium canker |
Cenangium singulare |
Cenangium singulare (sooty bark disease) followed after bark injury from ax; photo taken 9/1974 |
| 5418720 |
eyespot |
Oculimacula spp. |
|
| 5418719 |
eyespot |
Oculimacula spp. |
|
| 5418718 |
eyespot |
Oculimacula spp. |
|
| 1570293 |
brown rot |
Monilinia fructicola |
Light micrograph of Monilinia fructicola chains of conidia at 400X, phase contrast. December 1991 |
| 1570373 |
powdery mildew |
Oidium spp. |
Scanning electron micrograph of appressoria of Oidium sp. on Euonymus. |
| 1570374 |
powdery mildew |
Oidium spp. |
Transmission electron micrograph (TEM) of thin section through appressorium of Oidium sp. on Euonymus. Yellow flecks are not part of image, but are surface contaminants of film. February 1992 |
| 1570375 |
powdery mildew |
Oidium spp. |
Scanning electron micrograph (SEM) of leaf surface of Euonymus showing hyphae and appressoria of Oidium sp. Yellow flecks are not part of image, but are surface contaminants of film. February 1992 |
| 1570376 |
powdery mildew |
Oidium spp. |
Scanning electron micrograph (SEM) of conidia of Oidium sp. February 1992 |
| 1570377 |
powdery mildew |
Oidium spp. |
Transmission electron micrograph (TEM) of thin section through appressorium of Oidium sp. on Euonymus. Club-shaped structure is the tip of the appressorium (penetration peg) extending into a host cell. February 1992 |
| 1570378 |
powdery mildew |
Oidium spp. |
Transmission electron micrograph (TEM) of thin section through Oidium sp. on Euonymus at stomatal opening. February 1992 |
| 1570379 |
powdery mildew |
Oidium spp. |
Transmission electron micrograph (TEM) of thin section through appressorium of Oidium sp. on Euonymus. Fungal cell is above and within the host cell. February 1992 |
| 1570380 |
powdery mildew |
Oidium spp. |
Transmission electron micrograph (TEM) of thin section through appressorium and penetration peg of Oidium sp. on Euonymus. Club-shaped structure is the tip of the penetration peg extending into a host cell. February 1992 |
| 1570381 |
powdery mildew |
Oidium spp. |
Transmission electron micrograph (TEM) of Oidium sp. (cause of powdery mildew) appressorium and penetration peg. February 1992 |
| 1570382 |
powdery mildew |
Oidium spp. |
Transmission electron micrograph (TEM) of Oidium sp. (cause of powdery mildew) appressorium and penetration peg. February 1992 |
| 1570383 |
powdery mildew |
Oidium spp. |
Transmission electron micrograph (TEM) of Oidium sp. (cause of powdery mildew) appressorium and penetration peg. February 1992 |
| 1570385 |
powdery mildew |
Oidium spp. |
Transmission electron micrograph (TEM) of Oidium sp. (cause of powdery mildew) appressorium and penetration peg. February 1992 |
| 1570386 |
powdery mildew |
Oidium spp. |
Transmission electron micrograph (TEM) of Oidium sp. (cause of powdery mildew) appressorium and penetration peg. February 1992 |
| 1570387 |
powdery mildew |
Oidium spp. |
Transmission electron micrograph (TEM) of Oidium sp. (cause of powdery mildew) showing multiple appressoria and penetration pegs. February 1992 |
| 5417122 |
dollar spot |
Sclerotinia homoeocarpa |
Foliar symptoms |
| 1570219 |
fairy fan |
Spathularia flavida |
Spathularia flavida (fairy fan). August 1991 |
| 1570220 |
fairy fan |
Spathularia flavida |
Spathularia flavida (fairy fan). August 1991 |
| 5417121 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5417089 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5417088 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5417087 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 1570474 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Cottony rot, caused by Sclerotinia sclerotiorum on lemon. This is an uncommon disease is California and found primarily in long-term storage. May 1992 |
| 5403515 |
powdery mildew |
Oidium cinnamomi |
|
| 5403525 |
powdery mildew |
Phyllactinia mali |
Powdery mildew at the back of pear leaf |
| 5408844 |
powdery mildew |
Erysiphe necator |
|
| 5403517 |
powdery mildew |
Erysiphe necator |
Powdery mildew of grape on leaf and fruit |
| 5361397 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
White mold (Sclerotinia sclerotiorum) sclerotia on potato dextrose agar in the laboratory. Isolated from common bean (Phaseolus vulgaris L.) |
| 5038075 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
Green staining of G. abietina under the bark. |
| 5052068 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
European strain of G. abietina symptoms on red pine. |
| 5038076 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
Green stain of wood caused by G. abietina |
| 2110087 |
powdery mildew |
Phyllactinia guttata |
symptoms on foliage |
| 5393961 |
powdery mildew |
Podosphaera macularis |
Sulfur treatment of common hop plants against powdery mildew infection caused by Podosphaera macularis. |
| 5393959 |
powdery mildew |
Podosphaera macularis |
Sulfur treatment of common hop plants against powdery mildew infection caused by Podosphaera macularis. |
| 5393960 |
powdery mildew |
Podosphaera macularis |
Sulfur treatment of common hop plants against powdery mildew infection caused by Podosphaera macularis. |
| 5393958 |
powdery mildew |
Podosphaera macularis |
Sulfur treatment of common hop plants against powdery mildew infection caused by Podosphaera macularis. |
| 5393957 |
powdery mildew |
Podosphaera macularis |
Common hop plants with foliar signs of powdery mildew infection caused by Podosphaera macularis. |
| 5393956 |
powdery mildew |
Podosphaera macularis |
Common hop plants with foliar signs of powdery mildew infection caused by Podosphaera macularis. |
| 5393955 |
powdery mildew |
Podosphaera macularis |
Common hop plants with foliar signs of powdery mildew infection caused by Podosphaera macularis. |
| 5393954 |
powdery mildew |
Podosphaera macularis |
Common hop plants with foliar signs of powdery mildew infection caused by Podosphaera macularis. |
| 5393952 |
powdery mildew |
Podosphaera macularis |
Common hop plants with foliar signs of powdery mildew infection caused by Podosphaera macularis. |
| 5393953 |
powdery mildew |
Podosphaera macularis |
Common hop plants with foliar signs of powdery mildew infection caused by Podosphaera macularis. |
| 5393951 |
powdery mildew |
Podosphaera macularis |
A common hop leaf with foliar signs of powdery mildew infection caused by Podosphaera macularis. |
| 5393949 |
powdery mildew |
Podosphaera macularis |
Common hop leaves with foliar signs of powdery mildew infection caused by Podosphaera macularis. |
| 5393950 |
powdery mildew |
Podosphaera macularis |
Common hop leaves with foliar signs of powdery mildew infection caused by Podosphaera macularis. |
| 5393948 |
powdery mildew |
Podosphaera macularis |
Common hop leaves with foliar signs of powdery mildew infection caused by Podosphaera macularis. |
| 5393946 |
powdery mildew |
Podosphaera macularis |
A common hop leaf with foliar signs of powdery mildew infection caused by Podosphaera macularis. |
| 5393947 |
powdery mildew |
Podosphaera macularis |
Common hop leaves with foliar signs of powdery mildew infection caused by Podosphaera macularis. |
| 5393945 |
powdery mildew |
Podosphaera macularis |
A common hop leaf with foliar signs of powdery mildew infection caused by Podosphaera macularis. |
| 5393944 |
powdery mildew |
Podosphaera macularis |
A common hop leaf with foliar signs of powdery mildew infection caused by Podosphaera macularis. |
| 5393942 |
powdery mildew |
Podosphaera macularis |
A common hop leaf with foliar signs of powdery mildew infection caused by Podosphaera macularis. |
| 5393943 |
powdery mildew |
Podosphaera macularis |
A common hop leaf with foliar signs of powdery mildew infection caused by Podosphaera macularis. |
| 5393941 |
powdery mildew |
Podosphaera macularis |
Common hop field with foliar symptoms of powdery mildew infection caused by Podosphaera macularis at Washington, USA. |
| 5393940 |
powdery mildew |
Podosphaera macularis |
Common hop field with foliar symptoms of powdery mildew infection caused by Podosphaera macularis at Washington, USA. |
| 5393939 |
powdery mildew |
Podosphaera macularis |
Common hop plant with foliar sign of powdery mildew infection caused by Podosphaera macularis on a field at Washington, USA. |
| 5393937 |
powdery mildew |
Podosphaera macularis |
Common hop plant with powdery mildew infection caused by Podosphaera macularis on a field at Washington, USA. |
| 5393938 |
powdery mildew |
Podosphaera macularis |
Common hop plants with powdery mildew infection caused by Podosphaera macularis on a field at Washington, USA. |
| 5393936 |
powdery mildew |
Podosphaera macularis |
Common hop plants with powdery mildew infection caused by Podosphaera macularis on a field at Washington, USA. |
| 5393935 |
powdery mildew |
Podosphaera macularis |
Common hop plants with powdery mildew infection caused by Podosphaera macularis on a field at Washington, USA |
| 5393928 |
powdery mildew |
Podosphaera macularis |
Common hop plants with powdery mildew infection caused by Podosphaera macularis on a field at Washington, USA |
| 5393927 |
powdery mildew |
Podosphaera macularis |
Common hop plants with powdery mildew infection caused by Podosphaera macularis on a field at Washington, USA |
| 5393926 |
powdery mildew |
Podosphaera macularis |
Common hop plants with powdery mildew infection caused by Podosphaera macularis on a field at Washington, USA |
| 5393924 |
powdery mildew |
Podosphaera macularis |
Common hop plants with powdery mildew infection caused by Podosphaera macularis on a field at Washington, USA |
| 5393925 |
powdery mildew |
Podosphaera macularis |
Common hop plants with powdery mildew infection caused by Podosphaera macularis on a field at Washington, USA |
| 5393922 |
powdery mildew |
Podosphaera macularis |
Aerial fungicide application to a common hop field against powdery mildew caused by Podosphaera macularis. |
| 5393920 |
powdery mildew |
Podosphaera macularis |
Common hop plants with powdery mildew infection caused by Podosphaera macularis on a field at Washington, USA |
| 5393917 |
powdery mildew |
Podosphaera macularis |
Common hop plants showing symptoms of powdery mildew infection caused by Podosphaera macularis on a field at Washington, USA |
| 5393912 |
powdery mildew |
Podosphaera macularis |
Common hop plants with powdery mildew infection caused by Podosphaera macularis. |
| 5393933 |
powdery mildew |
Podosphaera macularis |
Common hop field with powdery mildew infection caused by Podosphaera macularis. |
| 5393934 |
powdery mildew |
Podosphaera macularis |
Common hop field with powdery mildew infection caused by Podosphaera macularis. |
| 5393931 |
powdery mildew |
Podosphaera macularis |
Common hop field with powdery mildew infection caused by Podosphaera macularis. |
| 5393932 |
powdery mildew |
Podosphaera macularis |
Common hop field with powdery mildew infection caused by Podosphaera macularis. |
| 5393929 |
powdery mildew |
Podosphaera macularis |
Common hop plant with powdery mildew infection caused by Podosphaera macularis. |
| 5393930 |
powdery mildew |
Podosphaera macularis |
Common hop field with powdery mildew infection caused by Podosphaera macularis. |
| 5393921 |
powdery mildew |
Podosphaera macularis |
Common hop field with powdery mildew infection caused by Podosphaera macularis. |
| 5393915 |
powdery mildew |
Podosphaera macularis |
Common hop field with powdery mildew infection caused by Podosphaera macularis. |
| 5393916 |
powdery mildew |
Podosphaera macularis |
Common hop field with powdery mildew infection caused by Podosphaera macularis. |
| 5393913 |
powdery mildew |
Podosphaera macularis |
Common hop field with powdery mildew infection caused by Podosphaera macularis. |
| 5393911 |
powdery mildew |
Podosphaera macularis |
Common hop field with powdery mildew infection caused by Podosphaera macularis. |
| 5393908 |
powdery mildew |
Podosphaera macularis |
Common hop cones with powdery mildew infection caused by Podosphaera macularis. |
| 5393907 |
powdery mildew |
Podosphaera macularis |
A common hop cone with powdery mildew infection caused by Podosphaera macularis. |
| 5393906 |
powdery mildew |
Podosphaera macularis |
Common hop cones with powdery mildew infection caused by Podosphaera macularis. |
| 5393905 |
powdery mildew |
Podosphaera macularis |
Common hop cones with powdery mildew infection caused by Podosphaera macularis. |
| 5393904 |
powdery mildew |
Podosphaera macularis |
Common hop cones showing powdery mildew infection caused by Podosphaera macularis. |
| 5393903 |
powdery mildew |
Podosphaera macularis |
Common hop cones showing powdery mildew infection caused by Podosphaera macularis. |
| 5393902 |
powdery mildew |
Podosphaera macularis |
Common hop cones showing powdery mildew infection caused by Podosphaera macularis. |
| 5393900 |
powdery mildew |
Podosphaera macularis |
A common hop leaf showing signs and symptoms of powdery mildew infection caused by Podosphaera macularis in a field at Oregon, USA. |
| 5393901 |
powdery mildew |
Podosphaera macularis |
A common hop leaf showing signs and symptoms of powdery mildew infection caused by Podosphaera macularis in a field at Oregon, USA. |
| 5393354 |
powdery mildew |
Podosphaera macularis |
A common hop plant showing signs and symptoms of powdery mildew infection caused by Podosphaera macularis in a field at Oregon, USA. |
| 5393352 |
powdery mildew |
Podosphaera macularis |
A common hop plant showing signs and symptoms of powdery mildew infection caused by Podosphaera macularis in a field at Oregon, USA. |
| 5393353 |
powdery mildew |
Podosphaera macularis |
A common hop plant showing signs and symptoms of powdery mildew infection caused by Podosphaera macularis in a field at Oregon, USA. |
| 5393115 |
powdery mildew |
Podosphaera fuliginea |
Squash bug (Anasa tristis) infested pumpkin plants infected with powdery mildew (Sphaerotheca fuliginea) on a field at Colorado, USA. |
| 5393114 |
powdery mildew |
Podosphaera fuliginea |
Squash bug (Anasa tristis) infested pumpkin plants infected with powdery mildew (Sphaerotheca fuliginea) on a field at Colorado, USA. |
| 5393113 |
powdery mildew |
Podosphaera fuliginea |
Squash bug (Anasa tristis) infested pumpkin plants infected with powdery mildew (Sphaerotheca fuliginea) on a field at Colorado, USA. |
| 5393112 |
powdery mildew |
Podosphaera fuliginea |
Squash bug (Anasa tristis) infested pumpkin plants infected with powdery mildew (Sphaerotheca fuliginea) on a field at Colorado, USA. |
| 5393111 |
powdery mildew |
Podosphaera fuliginea |
Squash bug (Anasa tristis) infested pumpkin plants infected with powdery mildew (Sphaerotheca fuliginea) on a field at Colorado, USA. |
| 5050049 |
Cyclaneusma needle cast |
Cyclaneusma minus |
Apothecia on needles of Scot's pine. |
| 5050050 |
Cyclaneusma needle cast |
Cyclaneusma minus |
Symptoms on needles. |
| 5050051 |
Cyclaneusma needle cast |
Cyclaneusma minus |
Severe infection on Scot's pine. |
| 5050052 |
Cyclaneusma needle cast |
Cyclaneusma minus |
Aerial spraying of the fungicide chlorothalonil for Cyclaneusma control |
| 5050053 |
Cyclaneusma needle cast |
Cyclaneusma minus |
Symptoms on needles. |
| 5050072 |
tar spot needlecast |
Davisomycella ampla |
Symptoms on second-year needles. |
| 5050073 |
tar spot needlecast |
Davisomycella ampla |
Symptoms and fruiting bodies (hysterothecia) on needles of jack pine. |
| 1563074 |
powdery mildew |
Podosphaera fuliginea |
Powdery mildew of cucumbers is a serious and common problem in greenhouses. |
| 1563075 |
powdery mildew |
Podosphaera fuliginea |
Powdery mildew of cucumbers is a serious and common problem in greenhouses in North Carolina . |
| 1563076 |
powdery mildew |
Podosphaera fuliginea |
Powdery mildew of cucumbers is a serious and common problem in greenhouses in North Carolina |
| 1563078 |
powdery mildew |
Podosphaera fuliginea |
Photomicrograph at 200x of conidia and conidiphores of Sphaerotheca fuliginea on a clear tape mount in water. |
| 1563080 |
powdery mildew |
Podosphaera fuliginea |
Photomicrograph at 400x of conidia and conidiphores of Sphaerotheca fuliginea on a clear tape mount in water. |
| 2177003 |
powdery mildew |
Podosphaera pannosa |
|
| 2176096 |
powdery mildew |
Podosphaera pannosa |
|
| 2176097 |
powdery mildew |
Podosphaera pannosa |
|
| 2176099 |
powdery mildew |
Podosphaera pannosa |
|
| 2177001 |
powdery mildew |
Podosphaera pannosa |
|
| 2176094 |
powdery mildew |
Podosphaera pannosa |
|
| 2176063 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 2176064 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
sclerotia cross-section |
| 2176065 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
cross-section of sclerotium |
| 2176066 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
cross-section of sclerotium |
| 2176067 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
sclerotium |
| 2176098 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
cross-section of sclerotia |
| 2176060 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 2176061 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 2175027 |
powdery mildew |
Erysiphe magnicellulata |
|
| 2175028 |
powdery mildew |
Erysiphe magnicellulata |
|
| 2175036 |
powdery mildew |
Erysiphe magnicellulata |
|
| 2175029 |
powdery mildew |
Oidium spp. |
|
| 2175025 |
powdery mildew |
Oidium spp. |
|
| 2175023 |
powdery mildew |
Erysiphe spp. |
|
| 2175021 |
powdery mildew |
Erysiphe magnicellulata |
|
| 2175022 |
powdery mildew |
Erysiphe magnicellulata |
|
| 2175024 |
powdery mildew |
Erysiphe magnicellulata |
|
| 2173084 |
powdery mildew |
Golovinomyces orontii |
|
| 2173085 |
powdery mildew |
Golovinomyces orontii |
|
| 2173080 |
powdery mildew |
Golovinomyces orontii |
|
| 2173081 |
powdery mildew |
Golovinomyces orontii |
|
| 2173082 |
powdery mildew |
Golovinomyces orontii |
|
| 2173083 |
powdery mildew |
Golovinomyces orontii |
|
| 2173078 |
powdery mildew |
Golovinomyces orontii |
|
| 2173079 |
powdery mildew |
Golovinomyces orontii |
|
| 2172071 |
powdery mildew |
Sphaerotheca delphinii |
|
| 2172072 |
powdery mildew |
Sphaerotheca delphinii |
smashed cleistothecia |
| 2172073 |
powdery mildew |
Sphaerotheca delphinii |
|
| 2172076 |
powdery mildew |
Sphaerotheca delphinii |
|
| 2172066 |
powdery mildew |
Sphaerotheca delphinii |
cleistothecium |
| 2172067 |
powdery mildew |
Sphaerotheca delphinii |
|
| 2172068 |
powdery mildew |
Sphaerotheca delphinii |
cleistothecium |
| 2172069 |
powdery mildew |
Sphaerotheca delphinii |
|
| 2172070 |
powdery mildew |
Sphaerotheca delphinii |
|
| 2172064 |
powdery mildew |
Sphaerotheca delphinii |
mycelium |
| 2172065 |
powdery mildew |
Sphaerotheca delphinii |
cleistothecium |
| 2172012 |
brown rots |
Monilinia spp. |
|
| 2172013 |
brown rots |
Monilinia spp. |
conidia |
| 2172014 |
brown rots |
Monilinia spp. |
|
| 5364409 |
powdery mildew |
Podosphaera leucotricha |
"Russeting" of mature apple fruits, caused by infection with powdery mildew. The fruit on the right displays the normal, healthy appearance for this variety. |
| 5393424 |
black spot |
Diplocarpon rosae |
|
| 5393419 |
powdery mildew |
Oidium murrayae |
|
| 5393412 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Sporangia produced at the backside of the leaf |
| 5393184 |
powdery mildew |
Podosphaera fusca |
|
| 5393183 |
powdery mildew |
Oidium ipomoeae |
|
| 5393181 |
powdery mildew |
Phyllactinia moricola |
Powdery mildew with conidia and cleistothecia (yellow and black dots in the picture) |
| 5393174 |
powdery mildew |
Erysiphe necator |
Hyphae and conidia of powdery mildew on grape leaf |
| 5049016 |
yellow fairy cups |
Bisporella citrina |
Sporocarps of Bisporella citrina, a fungus that grows on wood. |
| 5049017 |
yellow fairy cups |
Bisporella citrina |
Sporocarps of Bisporella citrina, a fungus that grows on wood. |
| 5049018 |
yellow fairy cups |
Bisporella citrina |
Sporocarps of Bisporella citrina, a fungus that grows on wood. |
| 5389701 |
brown rot |
Monilinia fructicola |
Rotted fruit with copious sporulation.
|
| 5389702 |
brown rot |
Monilinia fructicola |
Sporulation on rotted fruit
|
| 5382861 |
spruce needle cast/blight |
Lirula macrospora |
|
| 5382862 |
spruce needle cast/blight |
Lirula macrospora |
|
| 5382863 |
spruce needle cast/blight |
Lirula macrospora |
|
| 5382864 |
spruce needle cast/blight |
Lirula macrospora |
|
| 5382865 |
spruce needle cast/blight |
Lirula macrospora |
|
| 5382866 |
spruce needle cast/blight |
Lirula macrospora |
|
| 5382867 |
spruce needle cast/blight |
Lirula macrospora |
|
| 5382868 |
spruce needle cast/blight |
Lirula macrospora |
|
| 5366670 |
Scleroderris canker of western firs |
Grovesiella abieticola |
Apothecia of Scleroderris canker on a subalpine fir. |
| 5366669 |
Scleroderris canker of western firs |
Grovesiella abieticola |
Evidence of Scleroderris canker on a twig of subalpine fir. |
| 5366668 |
Scleroderris canker of western firs |
Grovesiella abieticola |
Scleroderris canker on a branch of subalpine fir. |
| 5364412 |
powdery mildew |
Podosphaera leucotricha |
"Rust spot" symptoms on peach fruits caused by infection with powdery mildew. |
| 5364411 |
powdery mildew |
Podosphaera leucotricha |
"Russeting" of a pear fruit caused by infection with powdery mildew. |
| 5364410 |
powdery mildew |
Podosphaera leucotricha |
Signs of powdery mildew infection on the tip shoot of a pear tree. |
| 5034050 |
sooty-bark canker |
Encoelia pruinosa |
Apothecia of Encoelia pruinosa (sexual fruiting bodies) |
| 5034051 |
sooty-bark canker |
Encoelia pruinosa |
Apothecia of Encoelia pruinosa (sexual fruiting bodies) |
| 1473150 |
needlecast |
Davisomycella attenuata |
5/1/1967 |
| 1473270 |
leaf spot |
Marssonia spp. |
aspen defoliation by Marssonia sp. and Melampsorella sp.; 9/4/1941 |
| 5368817 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Note the hard, black survival structures called “sclerotia” in culture plates. Isolated from sweet coneflower (Rudbeckia subtomentosa Pursh) |
| 5390063 |
black spot |
Diplocarpon rosae |
apothecium, asci, ascospores |
| 5379699 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 5379700 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 5379701 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 5379741 |
powdery mildew |
Erysiphe flexuosa |
|
| 5379740 |
powdery mildew |
Erysiphe flexuosa |
|
| 5379810 |
powdery mildew |
Phyllactinia guttata |
|
| 5379811 |
powdery mildew |
Phyllactinia guttata |
|
| 5379815 |
powdery mildew |
Erysiphe palczewskii |
|
| 5379816 |
powdery mildew |
Erysiphe palczewskii |
|
| 5379878 |
powdery mildew |
Phyllactinia fraxini |
|
| 5379879 |
powdery mildew |
Phyllactinia fraxini |
|
| 5382971 |
Ciboria fungus |
Ciboria batschiana |
|
| 5382965 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 5382966 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 5382967 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 5382968 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 5382969 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 5382972 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 5382970 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 5382973 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 5382974 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 5382975 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 5379647 |
tar spot of maple |
Rhytisma acerinum |
stromata |
| 5379648 |
tar spot of maple |
Rhytisma acerinum |
stromata |
| 5379649 |
powdery mildew |
Sawadaea tulasnei |
|
| 5368447 |
Marssonina leaf spots |
Marssonina spp. |
Close-up of two spots on underside of the leaf where spore-producing bodies ("pycnidia") are not distinguishable. |
| 5368464 |
Cryptocline fungus |
Cryptocline betularum |
Conidia of the fungus Cryptocline betularum. |
| 5385787 |
Marssonina leaf spots |
Marssonina spp. |
Close-up of one spot on lower surface of leaf with a single spore-producing body ("acervulus"). |
| 5385788 |
Marssonina leaf spots |
Marssonina spp. |
Close-up of one spot on lower surface of leaf with a single spore-producing body ("acervulus"). |
| 5385789 |
Marssonina leaf spots |
Marssonina spp. |
Close-up of one spot on lower surface of leaf with a single spore-producing body ("acervulus"). |
| 5385790 |
Marssonina leaf spots |
Marssonina spp. |
Spores of a species of the fungus Marssonina. |
| 5221088 |
powdery mildew |
Erysiphe cichoracearum |
|
| 1525384 |
powdery mildews |
Sphaerotheca spp. |
|
| 1525385 |
powdery mildews |
Sphaerotheca spp. |
|
| 1525386 |
powdery mildews |
Sphaerotheca spp. |
|
| 1525387 |
powdery mildews |
Sphaerotheca spp. |
|
| 1525682 |
powdery mildew |
Erysiphe spp. |
|
| 1525683 |
powdery mildew |
Erysiphe spp. |
|
| 1525686 |
powdery mildew |
Erysiphe spp. |
|
| 1525684 |
powdery mildew |
Erysiphe spp. |
|
| 1525685 |
powdery mildew |
Erysiphe spp. |
|
| 1525687 |
powdery mildew |
Erysiphe spp. |
|
| 1525688 |
powdery mildew |
Erysiphe spp. |
|
| 0176095 |
brown rot blossom blight and spur infection |
Monilinia laxa |
Cultural characteristics of Monilinia laxa (top left), M. fructigena (top right)and M. fructigena f. mali (below) on PDA in the dark. |
| 0176094 |
brown rot |
Monilinia fructicola |
Cultural characteristics of Monilinia fructicola on PDA (2a) and V8 (2c) media in the dark at 25°C, compared with M. laxa (2b and d, respectively). |
| 5368633 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Culture of Sclerotinia sclerotiorum on Potato Dextrose Agar (PDA). Isolated from pepper (Capsicum annuum). |
| 1233205 |
brown rot of fruit |
Monilinia fructigena |
|
| 5334044 |
powdery mildew |
Oidium spp. |
highly susceptible cultivar 'Cherokee Sunset' |
| 5335008 |
Atropellis canker |
Atropellis spp. |
|
| 5337007 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5337063 |
powdery mildew |
Oidium spp. |
on rhododendron |
| 5337091 |
powdery mildew |
Phyllactinia guttata |
microscopic view of cleistothecium with appendages with bulbous base |
| 5335073 |
brown rot |
Monilinia fructicola |
on cherry |
| 5335076 |
brown rot |
Monilinia fructicola |
mummified fruit |
| 5336062 |
powdery mildew |
Oidium spp. |
|
| 5336061 |
powdery mildew |
Oidium spp. |
|
| 5337035 |
powdery mildew |
Oidium spp. |
|
| 5337036 |
powdery mildew |
Oidium spp. |
|
| 5337057 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5337058 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5337067 |
black spot |
Diplocarpon rosae |
|
| 5337097 |
Marssonina leaf spots |
Marssonina spp. |
conidia |
| 1525130 |
powdery mildew |
Erysiphe cichoracearum |
|
| 1525131 |
powdery mildew |
Erysiphe cichoracearum |
|
| 1525132 |
powdery mildew |
Erysiphe cichoracearum |
|
| 1525133 |
powdery mildew |
Erysiphe cichoracearum |
|
| 1525282 |
white rot fungus |
Stromatinia gladioli |
|
| 1525283 |
white rot fungus |
Stromatinia gladioli |
|
| 1525281 |
white rot fungus |
Stromatinia gladioli |
|
| 1525284 |
white rot fungus |
Stromatinia gladioli |
|
| 1525280 |
white rot fungus |
Stromatinia gladioli |
|
| 1525331 |
powdery mildew |
Erysiphe poeltii |
Powdery mildew on hydrangea |
| 1525332 |
powdery mildew |
Erysiphe poeltii |
Powdery mildew on hydrangea |
| 1525333 |
powdery mildew |
Erysiphe poeltii |
Powdery mildew on hydrangea |
| 1525334 |
powdery mildew |
Erysiphe poeltii |
Powdery mildew on hydrangea |
| 1525335 |
powdery mildew |
Erysiphe poeltii |
Powdery mildew on hydrangea |
| 5383150 |
Entomosporium leaf spot |
Diplocarpon mespili |
Leaf spots on lower leaf surface with acervuli |
| 5383124 |
Entomosporium leaf spot |
Diplocarpon mespili |
fruiting bodies on leaf |
| 5383125 |
Entomosporium leaf spot |
Diplocarpon mespili |
Conidia |
| 5383134 |
powdery mildew |
Blumeria graminis |
Mycelium and cleistothecia |
| 5383135 |
powdery mildew |
Blumeria graminis |
Mycelium and cleistothecia |
| 5383136 |
powdery mildew |
Blumeria graminis |
broken cleistothecium with two asci |
| 5383137 |
powdery mildew |
Blumeria graminis |
Three cleistothecia (two broken and one intact) on blade |
| 5383138 |
powdery mildew |
Blumeria graminis |
Portion of cleistothecium and three asci |
| 5383149 |
powdery mildew |
Podosphaera macularis |
Mycelium on lower leaf surface |
| 5383159 |
powdery mildew |
Blumeria graminis |
Powdery mildew on blades |
| 5383160 |
powdery mildew |
Blumeria graminis |
Powdery mildew on blades |
| 5383161 |
powdery mildew |
Blumeria graminis |
Powdery mildew on blades |
| 5383162 |
powdery mildew |
Blumeria graminis |
Powdery mildew on blades |
| 1436155 |
black spot |
Diplocarpon rosae |
|
| 0758003 |
Pan de indio |
Cyttaria darwinii |
|
| 5368630 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Lower stem decay. |
| 5368631 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Close-up of margin between decayed and healthy stem. |
| 5368634 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Culture of Sclerotinia sclerotiorum showing black "sclerotia". |
| 5368632 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Lower stem decay where faint target pattern is seen with the infected area. |
| 5368541 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Collar rot first appears as small, dark green, water-soaked lesions at the base of stems. Clusters of infected transplants will appear and will have a yellow, wilted, and unthrifty appearance. |
| 5368542 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Signs of the fungus are found normally at the base of plants or on debris in float trays and include a white, cottony mycelium (fungal mass), present if humidity is high, and irregularly shaped, black sclerotia. Sclerotia resemble seeds or rodent droppi |
| 5368543 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Plants can be rotted in half by complete rotting of a portion of the lower stem. |
| 5368544 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Lower stem of an infected plants which severely rotted. |
| 5368545 |
Sclerotinia rots |
Sclerotinia spp. |
Several infected stems show dieback from the point of infection toward the tip of the stem. |
| 5334078 |
zonate leaf spot |
Grovesinia pyramidalis |
|
| 5371917 |
leaf shotholes |
Cylindrosporium spp. |
|
| 5371919 |
leaf shotholes |
Cylindrosporium spp. |
|
| 5371918 |
leaf shotholes |
Cylindrosporium spp. |
|
| 5371915 |
leaf shotholes |
Cylindrosporium spp. |
|
| 5371916 |
leaf shotholes |
Cylindrosporium spp. |
|
| 5368427 |
powdery mildew |
Phyllactinia spp. |
Negative image of the sexual reproductive body of the fungus (“cleistothecium”) with characteristic bulbous base of appendages. |
| 5368428 |
powdery mildew |
Phyllactinia spp. |
Sexual reproductive body of the fungus (“cleistothecium”) with characteristic bulbous base of appendages. |
| 5368429 |
powdery mildew |
Phyllactinia spp. |
Underside of infected leaves showing white fungal mycelium and many, black, sexual reproductive bodies of the fungus (“cleistothecia”). |
| 5368430 |
powdery mildew |
Phyllactinia spp. |
Close-up of the underside of infected leaf showing white fungal mycelium and many, black, sexual reproductive bodies of the fungus (“cleistothecia”). |
| 5368445 |
Marssonina leaf spots |
Marssonina spp. |
Upper surface of leaf with gray/white spots and thin brown borders. |
| 5368446 |
Marssonina leaf spots |
Marssonina spp. |
Lower surface of leaf shows leaf spots are darker brown than upper surface appearance. |
| 5368461 |
Cryptocline fungus |
Cryptocline betularum |
Leaves with spots starting out tan and turning gray then white. |
| 5368462 |
Cryptocline fungus |
Cryptocline betularum |
Close-up of leaf spots where in some spots the missing tissue in the center was where the spore-producing body of the fungus was located. |
| 5368463 |
Cryptocline fungus |
Cryptocline betularum |
Close-up of one spore-producing body ("acervulus") is seen in dark-field observation. |
| 5368473 |
anthracnose |
Monostichella spp. |
Leaf section with numerous brown spots with small center portion slightly lighter-colored. |
| 5368474 |
anthracnose |
Monostichella spp. |
Close-up of two leaf spots a ring of darker, slightly raised, spore-producing bodies ("acervuli") |
| 5368475 |
anthracnose |
Monostichella spp. |
Spore-producing bodies ("acervuli") barely discernable under dark-field observation. |
| 5368476 |
anthracnose |
Monostichella spp. |
Spores of a species of the fungus Monostichella. |
| 5368489 |
Phloeosporella fungus |
Phloeosporella padi |
dark brown leaf spots with red border |
| 5368494 |
Phloeosporella fungus |
Phloeosporella padi |
dark brown leaf spots with red border |
| 5368495 |
Phloeosporella fungus |
Phloeosporella padi |
dark brown leaf spots with red border |
| 5368496 |
Phloeosporella fungus |
Phloeosporella padi |
Spore-producing bodies ("acervuli") with spores oozing out in tendrils |
| 5368497 |
Phloeosporella fungus |
Phloeosporella padi |
Spore-producing bodies ("acervuli") with spores oozing out in tendrils |
| 5368498 |
Phloeosporella fungus |
Phloeosporella padi |
Spore-producing bodies ("acervuli") with spores oozing out in tendrils |
| 5368499 |
Phloeosporella fungus |
Phloeosporella padi |
Spore-producing bodies ("acervuli") with spores oozing out in tendrils |
| 5368500 |
Phloeosporella fungus |
Phloeosporella padi |
Spores of the fungus Phloeosporella padi |
| 5368509 |
anthracnose |
Drepanopeziza ribis |
red/purple spotting on leaves usually with a single spore-producing body ("acervulus") within the spot |
| 5368510 |
anthracnose |
Drepanopeziza ribis |
red/purple spotting on leaves usually with a single spore-producing body ("acervulus") within the spot |
| 5368511 |
anthracnose |
Drepanopeziza ribis |
microscopic view of leaf spot |
| 5368512 |
anthracnose |
Drepanopeziza ribis |
asexual spores of the fungus Drepanopeziza ribis |
| 5368546 |
Sclerotinia rots |
Sclerotinia spp. |
Hard, black survival structure called a “sclerotia” inside the infected stem. |
| 5368547 |
Sclerotinia rots |
Sclerotinia spp. |
Infected stem showing a pattern of alternating lighter and darker copper/brown lines. |
| 5368548 |
Sclerotinia rots |
Sclerotinia spp. |
Fungal mycelium after infection of flower. Disease starts as a flower infection with the fungus then working its way into the stem. |
| 5368783 |
Marssonina leaf spots |
Marssonina spp. |
Upper surface of leaf with tan spots and thin brown borders. |
| 5368784 |
Marssonina leaf spots |
Marssonina spp. |
Close-up of two spots on the upper surface of leaf that are tan with thin brown borders. |
| 5368785 |
Marssonina leaf spots |
Marssonina spp. |
Close-up of one spot on lower surface of leaf with spore-producing bodies ("acervuli") oozing spores. |
| 5368786 |
Marssonina leaf spots |
Marssonina spp. |
Spores of a species of the fungus Marssonina. |
| 5368779 |
twig and leaf blight |
Blumeriella kerriae |
Leaf infection shows reddish spots with dark borders and, if numerous, leaves yellow and fall. Stem cankers are produced as discolored more or less extended darkened areas which may crack open. |
| 5368780 |
twig and leaf blight |
Blumeriella kerriae |
Close-up of a spot with a ring of raised, spore-producing bodies ("acervuli") within spot. |
| 5368781 |
twig and leaf blight |
Blumeriella kerriae |
Spore-producing bodies ("acervuli") and spores under dark-field observation. |
| 5368782 |
twig and leaf blight |
Blumeriella kerriae |
Spores of the anamorph fungus Phloeosporella. |
| 5368815 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
A dry, lower stem rot usually with disintegrated pith tissue. |
| 5368816 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
A dry, lower stem rot usually with disintegrated pith tissue. |
| 5368818 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Note the hard, black survival structures called “sclerotia” in culture plates. |
| 5368842 |
Entomosporium leaf spot |
Diplocarpon mespili |
Leaf spots with gray centers and dark purple borders. |
| 5368843 |
Entomosporium leaf spot |
Diplocarpon mespili |
Single leaf with spots having gray centers and dark purple borders. |
| 5368844 |
Entomosporium leaf spot |
Diplocarpon mespili |
Close-up of leaf spots showing raised, spore-producing body ("acervuli") within spot. |
| 5368845 |
Entomosporium leaf spot |
Diplocarpon mespili |
Spores of the fungus Entomosporium mespili look like an insect and thus the genus name of the fungus. |
| 5368960 |
black spot |
Diplocarpon rosae |
Leaves with feathery purple/black spots having no definite margin. |
| 5368961 |
black spot |
Diplocarpon rosae |
Close-up of infected area on underside of leaf with slightly raised, dark brown, spore-producing bodies ("acervuli"). |
| 5368962 |
black spot |
Diplocarpon rosae |
Closer view of infected area on underside of leaf with slightly raised, dark brown, spore-producing bodies ("acervuli"). |
| 5368963 |
black spot |
Diplocarpon rosae |
Dark-field observation showing several brown, spore-producing bodies ("acervuli"). |
| 5368964 |
black spot |
Diplocarpon rosae |
Closer dark-field observation showing several brown, spore-producing bodies ("acervuli") with spores. |
| 5368965 |
black spot |
Diplocarpon rosae |
two-celled spores of the anamorph fungus Marssonina rosae. |
| 5369033 |
dollar spot |
Sclerotinia homoeocarpa |
Small, circular dead areas in turfgrass. |
| 5369034 |
dollar spot |
Sclerotinia homoeocarpa |
Small, circular dead areas in turfgrass. |
| 5369035 |
dollar spot |
Sclerotinia homoeocarpa |
Small, circular dead areas in turfgrass. |
| 5369036 |
dollar spot |
Sclerotinia homoeocarpa |
Single, circular dead area in turfgrass. |
| 5369037 |
dollar spot |
Sclerotinia homoeocarpa |
Incubation of infected cores showing white, cottony tufts of fungal mycelium. |
| 5369038 |
dollar spot |
Sclerotinia homoeocarpa |
Hyphae of the fungus Sclerotinia homoeocarpa. |
| 5369039 |
dollar spot |
Sclerotinia homoeocarpa |
Hyphae of the fungus Sclerotinia homoeocarpa. |
| 5332082 |
powdery mildew |
Blumeria graminis |
|
| 5333063 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5332027 |
Sclerotinia stem rot |
Sclerotinia trifoliorum |
|
| 5332028 |
Sclerotinia stem rot |
Sclerotinia trifoliorum |
|
| 5332029 |
alfalfa leaf spot |
Pseudopeziza medicaginis |
|
| 5332031 |
Sclerotinia stem rot |
Sclerotinia trifoliorum |
|
| 5333006 |
dollar spot |
Sclerotinia homoeocarpa |
Pennsylvania State University field trials |
| 5333004 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5333005 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5333002 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5333003 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5331078 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
fungal sclerotia also pictured |
| 5331091 |
powdery mildew |
Podosphaera fuliginea |
|
| 5331082 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5361963 |
Neofabraea fungus |
Neofabraea perennans |
Apple twigs showing symptoms of a perennial canker infection caused by Neofabraea perennans. |
| 5371912 |
leaf shotholes |
Cylindrosporium spp. |
|
| 5371913 |
leaf shotholes |
Cylindrosporium spp. |
|
| 5371914 |
leaf shotholes |
Cylindrosporium spp. |
|
| 5361969 |
Neofabraea fungus |
Neofabraea malicorticis |
An apple stem with symptoms of bull's-eye rot infection caused by Neofabraea malicorticis. This disease is also sometimes referred to as the northwestern anthracnose canker. |
| 5361967 |
Neofabraea fungus |
Neofabraea malicorticis |
Apple twigs with symptoms of bull's-eye rot infection caused by Neofabraea malicorticis. This disease is also sometimes referred to as the northwestern anthracnose canker. |
| 5361955 |
brown rots |
Monilinia spp. |
A mummy of the brown rot fungus Monilinia spp. on an infected peach tree. The fungus uses such mummified fruits as over-wintering structures. |
| 5373827 |
white rot fungus |
Stromatinia gladioli |
|
| 5373828 |
white rot fungus |
Stromatinia gladioli |
|
| 5373829 |
white rot fungus |
Stromatinia gladioli |
|
| 5373823 |
white rot fungus |
Stromatinia gladioli |
|
| 5373824 |
white rot fungus |
Stromatinia gladioli |
|
| 5373825 |
white rot fungus |
Stromatinia gladioli |
|
| 5373826 |
white rot fungus |
Stromatinia gladioli |
|
| 5373821 |
white rot fungus |
Stromatinia gladioli |
|
| 5373822 |
white rot fungus |
Stromatinia gladioli |
|
| 5373819 |
white rot fungus |
Stromatinia gladioli |
|
| 5373820 |
white rot fungus |
Stromatinia gladioli |
|
| 5373817 |
white rot fungus |
Stromatinia gladioli |
|
| 5373818 |
white rot fungus |
Stromatinia gladioli |
|
| 5373816 |
white rot fungus |
Stromatinia gladioli |
|
| 5373812 |
white rot fungus |
Stromatinia gladioli |
|
| 5373813 |
white rot fungus |
Stromatinia gladioli |
|
| 5373814 |
white rot fungus |
Stromatinia gladioli |
|
| 5373815 |
white rot fungus |
Stromatinia gladioli |
|
| 5373811 |
white rot fungus |
Stromatinia gladioli |
|
| 5373810 |
white rot fungus |
Stromatinia gladioli |
|
| 5373809 |
white rot fungus |
Stromatinia gladioli |
Effect of fungus in field planting. |
| 5373808 |
white rot fungus |
Stromatinia gladioli |
Effect of fungus in field planting. |
| 5373805 |
white rot fungus |
Stromatinia gladioli |
Effect of fungus infestation. |
| 5373806 |
white rot fungus |
Stromatinia gladioli |
|
| 5373807 |
white rot fungus |
Stromatinia gladioli |
|
| 5373802 |
white rot fungus |
Stromatinia gladioli |
|
| 5373803 |
white rot fungus |
Stromatinia gladioli |
|
| 5373804 |
white rot fungus |
Stromatinia gladioli |
|
| 5373801 |
white rot fungus |
Stromatinia gladioli |
|
| 5373799 |
white rot fungus |
Stromatinia gladioli |
|
| 5373800 |
white rot fungus |
Stromatinia gladioli |
|
| 5373798 |
white rot fungus |
Stromatinia gladioli |
|
| 5373796 |
white rot fungus |
Stromatinia gladioli |
|
| 5373797 |
white rot fungus |
Stromatinia gladioli |
|
| 5373643 |
camellia flower blight |
Ciborinia camelliae |
|
| 5373642 |
camellia flower blight |
Ciborinia camelliae |
|
| 5373640 |
camellia flower blight |
Ciborinia camelliae |
|
| 5373639 |
camellia flower blight |
Ciborinia camelliae |
|
| 5373638 |
camellia flower blight |
Ciborinia camelliae |
|
| 5373636 |
camellia flower blight |
Ciborinia camelliae |
|
| 5373637 |
camellia flower blight |
Ciborinia camelliae |
|
| 5373634 |
camellia flower blight |
Ciborinia camelliae |
|
| 5373635 |
camellia flower blight |
Ciborinia camelliae |
|
| 5373039 |
powdery mildew |
Oidium spp. |
|
| 5373040 |
powdery mildew |
Oidium spp. |
|
| 5373037 |
powdery mildew |
Oidium spp. |
|
| 5373038 |
powdery mildew |
Oidium spp. |
|
| 5372931 |
powdery mildew |
Microsphaera penicillata |
|
| 5372928 |
powdery mildew |
Microsphaera penicillata |
|
| 5372929 |
powdery mildew |
Microsphaera penicillata |
|
| 5372930 |
powdery mildew |
Microsphaera penicillata |
|
| 5372927 |
powdery mildew |
Microsphaera penicillata |
|
| 5359750 |
powdery mildew |
Podosphaera spp. |
Immature peach fruits with symptoms of a powdery mildew infection caused by Podosphaera spp. in Yemen. |
| 5359769 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
White mold symptoms on an interspecifically crossed breeding lines of drybeans in the greenhouse. |
| 1473189 |
Cenangium cankers |
Cenangium spp. |
canker high on bole |
| 1263090 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
Brown necrotic lesions at the basis of a bud |
| 1263091 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
Note the dead shoots |
| 1949010 |
Atropellis canker |
Atropellis pinicola |
Atropellis pinicola on Pinus monticola, showing dead needles on distal portion of a cankered stem. |
| 1949009 |
Atropellis canker |
Atropellis pinicola |
Atropellis pinicola on Pinus monticola, showing cankered stem. |
| 1949008 |
Atropellis canker |
Atropellis piniphila |
Atropellis piniphila: section through cankered stem, showing characteristic blue-black staining of the wood beneath the canker. |
| 0660041 |
brown rots |
Monilinia spp. |
Lesions on pear fruit due to Monilinia fructicola, M. laxa & M. fructigena.Top left-control; top centre-M. laxa; top right-M. fructigena;bottom left-M. fructigena; bottom centre-M. fructicola; bottom right-M.laxa. |
| 0660040 |
brown rots |
Monilinia spp. |
Colonies of Monilinia fructigena (top left), M. laxa (top right), M. fructicola (bottom). |
| 1473073 |
sooty bark |
Cenangium populinum |
|
| 5359973 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
A dry squash fruit containing the sclerotia of the white mold fungu (Sclerotinia sclerotiorum). |
| 5357377 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
A sunflower stem with severe white mold infection caused by Sclerotinia sclerotiorum in the fiield. |
| 5360542 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
White mold fungus (Sclerotinia sclerotiorum) inoculation on a zucchini squash field. |
| 5360540 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
White mold fungus (Sclerotinia sclerotiorum) inoculation on a zucchini squash field. |
| 5360541 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
White mold fungus (Sclerotinia sclerotiorum) inoculation on a zucchini squash field. |
| 5360539 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
White mold fungus (Sclerotinia sclerotiorum) inoculation on a zucchini squash field. |
| 5360538 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
White mold fungus (Sclerotinia sclerotiorum) inoculation on a zucchini squash field. |
| 5360537 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
A dry zucchini fruit infected with the white mold fungus Sclerotinia sclerotiorum. Please note the black sclerotia of the fungus. |
| 5360536 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
A dry zucchini fruit infected with the white mold fungus Sclerotinia sclerotiorum. Please note the black sclerotia of the fungus. |
| 5360535 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Sclerotial inoculum of the white mold fungus Sclerotinia sclerotiorum used for research on zucchini. |
| 5360534 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
A zucchini fruit infected with the white mold fungus Sclerotinia sclerotiorum in the field. Please note the fungal sclerotia on the fruit. |
| 5360532 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
A zucchini fruit infected with the white mold fungus Sclerotinia sclerotiorum in the field. Please note the fungal sclerotia on the fruit. |
| 5360533 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
A zucchini fruit infected with the white mold fungus Sclerotinia sclerotiorum in the field. Please note the fungal sclerotia on the fruit. |
| 5360531 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
A zucchini fruit infected with the white mold fungus Sclerotinia sclerotiorum in the field. |
| 5360530 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
A zucchini fruit infected with the white mold fungus Sclerotinia sclerotiorum in the field. |
| 5360529 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
A zucchini fruit infected with the white mold fungus Sclerotinia sclerotiorum in the field. |
| 5360528 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Zucchini fruits infected with the white mold fungus Sclerotinia sclerotiorum in the field. |
| 5360526 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Zucchini fruits infected with the white mold fungus Sclerotinia sclerotiorum in the field. |
| 5360527 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Zucchini fruits infected with the white mold fungus Sclerotinia sclerotiorum in the field. |
| 5360525 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Zucchini fruits infected with the white mold fungus Sclerotinia sclerotiorum in the field. |
| 5360524 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Zucchini fruits infected with the white mold fungus Sclerotinia sclerotiorum in the field. |
| 5372513 |
Entomosporium leaf spot |
Diplocarpon mespili |
|
| 5372501 |
Entomosporium leaf spot |
Diplocarpon mespili |
|
| 5372502 |
Entomosporium leaf spot |
Diplocarpon mespili |
|
| 5372503 |
Entomosporium leaf spot |
Diplocarpon mespili |
|
| 5372499 |
Entomosporium leaf spot |
Diplocarpon mespili |
|
| 5372496 |
Entomosporium leaf spot |
Diplocarpon mespili |
|
| 5372497 |
Entomosporium leaf spot |
Diplocarpon mespili |
|
| 5372498 |
Entomosporium leaf spot |
Diplocarpon mespili |
|
| 5371641 |
Entomosporium leaf spot |
Diplocarpon mespili |
|
| 5372253 |
zonate leaf spot |
Grovesinia pyramidalis |
|
| 5372254 |
zonate leaf spot |
Grovesinia pyramidalis |
|
| 5372252 |
zonate leaf spot |
Grovesinia pyramidalis |
|
| 5372246 |
zonate leaf spot |
Grovesinia pyramidalis |
|
| 5372244 |
zonate leaf spot |
Grovesinia pyramidalis |
|
| 5372245 |
zonate leaf spot |
Grovesinia pyramidalis |
|
| 5372243 |
zonate leaf spot |
Grovesinia pyramidalis |
|
| 5361739 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Squash specimens inoculated with the white mold fungus Sclerotinia sclerotiorum on a field. |
| 5361738 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Inoculation of squash with the white mold fungus Sclerotinia sclerotiorum in the field. |
| 5361737 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Inoculation of squash with the white mold fungus Sclerotinia sclerotiorum in the field. |
| 5362785 |
powdery mildew |
Podosphaera fuliginea |
A pumpkin field with signs of advanced powdery mildew infection caused by the fungus Sphaerotheca fuliginea. |
| 5362784 |
powdery mildew |
Podosphaera fuliginea |
A pumpkin field with signs of initial powdery mildew infection caused by the fungus Sphaerotheca fuliginea. |
| 5362783 |
powdery mildew |
Podosphaera fuliginea |
A pumpkin leaf infected by the powdery mildew fungus Sphaerotheca fuliginea in the field. |
| 5359185 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
A carrot field with white mold infection caused by the fungus Sclerotinia sclerotiorum at Lucerne. Please note the white mold sclerotia (black bodies) beneath the carrot canopy. |
| 5359184 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
A carrot field with white mold infection caused by the fungus Sclerotinia sclerotiorum at Lucerne. |
| 5358921 |
powdery mildew |
Podosphaera fuliginea |
A cucumber plant showing signs of powdery mildew infection in the field. |
| 5359693 |
Sclerotinia snow mold |
Sclerotinia borealis |
Symptoms of snow scald infection, Sclerotinia (Myriosclerotinia) borealis, at the Breckenridge, Colorado, golf course in 1983. |
| 5359694 |
Sclerotinia snow mold |
Sclerotinia borealis |
Research plots in a study of snow scald Sclerotinia (Myriosclerotinia) borealis, at the Breckenridge, Colorado, golf course in 1983. |
| 5359692 |
Sclerotinia snow mold |
Sclerotinia borealis |
Signs of snow scald infection Sclerotinia (Myriosclerotinia) borealis, at the Breckenridge, Colorado, golf course in 1983. |
| 1473152 |
Scleroderris canker of western firs |
Grovesiella abieticola |
|
| 1473159 |
pine needle cast |
Lophodermella cerina |
Left to Right: Healthy, Light, Heavy (upper) and Discolor (lower) |
| 1473160 |
pine needle cast |
Lophodermella cerina |
|
| 1473161 |
pine needle cast |
Lophodermella cerina |
|
| 1473260 |
pine needle cast |
Lophodermella cerina |
Lophodermella cerina center in ponderosa; NM, Lincoln Co., Mescalero Apache IR, Upper Fence Canyon |
| 1473262 |
pine needle cast |
Lophodermella cerina |
Photomicrograph |
| 1524124 |
powdery mildew |
Blumeria graminis |
Root knot and stubby root nematodes |
| 1524135 |
powdery mildew |
Blumeria graminis |
Powdery mildew on barley |
| 5356881 |
brown rots |
Monilinia spp. |
Plum showing signs of infection with black knot disease (Monilinia sp.). |
| 5356832 |
powdery mildew |
Podosphaera leucotricha |
Apple foliage showing signs of infection with powdery mildew (Podosphaera leucotricha). |
| 5356789 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Carrot covered in white mold (Sclerotinia sclerotiorum). |
| 5357113 |
powdery mildews |
|
Powdery mildew on a tobacco leaf in Thailand. |
| 5357376 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
A sunflower plant with white mold infection caused by Sclerotinia sclerotiorum in the field. The fungus mycellia are the white mass around the base of the stem. |
| 5357375 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Sunflower plants with white mold infection caused by Sclerotinia sclerotiorum in the field. The fungus mycellia are the white mass around the base of the stem. |
| 5357374 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Sunflower plants showing symptoms of white mold infection caused by Sclerotinia sclerotiorum in the field. |
| 5357373 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Sunflower plants showing symptoms of white mold infection caused by Sclerotinia sclerotiorum in the field. |
| 5365425 |
powdery mildew |
Podosphaera spp. |
Apricot fruit showing russet-colored symptoms of infection with powdery mildew (Podosphaera sp.). |
| 5361120 |
powdery mildews |
|
Sugar beet leaves showing signs of infection with powdery mildew. |
| 5357588 |
powdery mildew |
Erysiphe betae |
Sugar beet leaf showing signs of powdery mildew (Erysiphe polygoni). |
| 5357587 |
powdery mildew |
Erysiphe betae |
Leaves of sugar beets showing signs of powdery mildew (Erysiphe polygoni). |
| 5357586 |
powdery mildew |
Erysiphe betae |
Leaves of sugar beets showing signs of powdery mildew (Erysiphe polygoni). |
| 5357585 |
powdery mildew |
Erysiphe betae |
Sugar beet plants showing signs of infection with powdery mildew (Erysiphe polygoni). |
| 5357584 |
powdery mildew |
Erysiphe betae |
Sugar beet plants showing signs of infection with powdery mildew (Erysiphe polygoni). |
| 5357583 |
powdery mildew |
Erysiphe betae |
Sugar beet plants showing signs of infection with powdery mildew (Erysiphe polygoni). |
| 5357582 |
powdery mildew |
Erysiphe betae |
Sugar beet plants showing signs of infection with powdery mildew (Erysiphe polygoni). |
| 5357092 |
powdery mildew |
Erysiphe betae |
Leaves of sugar beets showing symptoms of powdery mildew (Erysiphe polygoni). |
| 5362779 |
powdery mildews |
|
Powdery mildew infection on cantaloupe leaves. |
| 5366801 |
powdery mildew |
Erysiphe syringae |
Powdery mildew (Microsphaera syringae) on a lilac leaf. |
| 5366800 |
powdery mildew |
Erysiphe syringae |
Severe infestation of powdery mildew (Microsphaera syringae) on a lilac. |
| 5366440 |
powdery mildew |
Sphaerotheca phytoptophila |
Witches' broom in a hackberry tree afflicted with powdery mildew (Sphaerotheca phytotophila). |
| 5366439 |
powdery mildew |
Sphaerotheca phytoptophila |
Witches' brooms in hackberry trees afflicted with powdery mildew (Sphaerotheca phytotophila). |
| 5366438 |
powdery mildew |
Sphaerotheca phytoptophila |
Witches' brooms in hackberry trees afflicted with powdery mildew (Sphaerotheca phytotophila). |
| 5366829 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
Close-up view of Douglas-fir needles showing symptoms of infection with Douglas-fir needlecast fungus (Rhabdocline pseudotsugae). |
| 5366825 |
Elytroderma needle cast of pine |
Elytroderma deformans |
Witches broom on ponderosa pine (Pinus ponderosa) caused by Elytroderma needle cast fungus (Elytroderma deformans). |
| 5366797 |
powdery mildew |
Erysiphe syringae |
Lilac leaves showing signs of infection with powdery mildew (Microsphaera syringae). |
| 5366784 |
tar spot |
Rhytisma salicinum |
Willow leaf showing signs of tar spot (Rhytisma salicinum) disease. |
| 5357529 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Some bean pods showing signs of the white mlod fungus Sclerotinia sclerotiorum in the field. |
| 5357523 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
A culture plate of the white mold fungus Sclerotinia sclerotiorum in the laboratory. |
| 5366437 |
powdery mildew |
Sphaerotheca phytoptophila |
Witch's broom in a hackberry tree that is afflicted with powdery mildew (Sphaerotheca phytophila). |
| 5366436 |
powdery mildew |
Sphaerotheca phytoptophila |
Witch's broom in a hackberry tree that is afflicted with powdery mildew (Sphaerotheca phytophila). |
| 5366828 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
Douglas-fir branch showing symptoms of the needlecast fungus Rhabdocline pseudotsugae. |
| 5366827 |
needle cast |
Bifusella saccata |
Limber pine (Pinus flexilis) afflicted with the needlecast fungus (Hypoderma saccatum). |
| 5366826 |
Elytroderma needle cast of pine |
Elytroderma deformans |
Ponderosa pine with witches' brooms and needlecast symptoms of needle cast fungus of pine (Elytroderma deformans). |
| 5366789 |
ink spot leaf blight |
Ciborinia whetzelii |
Signs and symptoms of ink spot leaf blight (Ciborinia whetzelii) on an aspen leaf. |
| 5366788 |
ink spot leaf blight |
Ciborinia whetzelii |
Signs and symptoms of ink spot leaf blight (Ciborinia whetzelii) on an aspen leaf. |
| 5366787 |
ink spot leaf blight |
Ciborinia whetzelii |
Signs and symptoms of ink spot leaf blight (Ciborinia whetzelii) on an aspen leaf. |
| 5366786 |
ink spot leaf blight |
Ciborinia whetzelii |
Signs and symptoms of ink spot leaf blight (Ciborinia whetzelii) on an aspen leaf. |
| 5366785 |
ink spot leaf blight |
Ciborinia whetzelii |
Signs and symptoms of ink spot leaf blight (Ciborinia whetzelii) on an aspen leaf. |
| 5366686 |
sooty-bark canker |
Encoelia pruinosa |
Apothecia of sooty-bark canker (Encoelia pruinosa) on the trunks of aspen trees (Populus tremuloides). |
| 5366685 |
sooty-bark canker |
Encoelia pruinosa |
Signs and symptoms of sooty-bark canker (Encoelia pruinosa) on the trunk of an aspen tree (Populus tremuloides). |
| 5366684 |
sooty-bark canker |
Encoelia pruinosa |
Apothecia of sooty-bark canker (Encoelia pruinosa) on the trunk of an aspen tree (Populus tremuloides).
|
| 5366683 |
sooty-bark canker |
Encoelia pruinosa |
Close-up view of signs and symptoms of sooty-bark canker (Encoelia pruinosa) on the trunks of aspen trees (Populus tremuloides). |
| 5366682 |
sooty-bark canker |
Encoelia pruinosa |
Signs and symptoms of sooty-bark canker (Encoelia pruinosa) on the trunk of an aspen tree (Populus tremuloides). |
| 5366681 |
sooty-bark canker |
Encoelia pruinosa |
Close-up view of signs and symptoms of sooty-bark canker (Encoelia pruinosa) on the trunk of an aspen tree (Populus tremuloides). |
| 5356661 |
powdery mildew |
Erysiphe necator |
Symptoms of grape powdery mildew (Uncinula necator) on fruit and leaves. |
| 5359767 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
White mold (Sclerotinia sclerotiorum) symptoms on some interspecifically crossed breeding lines of drybeans in the greenhouse. |
| 5359768 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
White mold (Sclerotinia sclerotiorum) symptoms on some interspecifically crossed breeding lines of drybeans in the greenhouse. |
| 5359766 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
White mold (Sclerotinia sclerotiorum) symptoms on some interspecifically crossed breeding lines of drybeans in the greenhouse. |
| 5360612 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
The colonization of a drybeans leaf by the white mold fungus Sclerotinia sclerotiorum in the field. |
| 5360613 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
The colonization of a drybeans leaf by the white mold fungus Sclerotinia sclerotiorum in the field. |
| 5360611 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
The apothecia of the white mold fungus Sclerotinia sclerotiorum on a drybeans field. |
| 5365658 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
An ARDEC plot layout for a white mold (Sclerotinia sclerotiorum) experiment on drybeans. |
| 5365657 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
An ARDEC plot layout for a white mold (Sclerotinia sclerotiorum) experiment on drybeans. |
| 5361604 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Symptoms of white mold (Sclerotinia sclerotiorum) on the stem and branches of a dry bean plant. |
| 5361603 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Symptoms of white mold (Sclerotinia sclerotiorum) on the stem and branches of a dry bean plant. |
| 5363979 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Mycelium and sclerotia of white mold (Sclerotinia sclerotiorum) on the branch of a dry bean plant. |
| 5363978 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Wilting and death of the bean canopy, an advanced symptom of infection with white mold (Sclerotinia sclerotiorum). |
| 5363977 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Wilting of dry bean plants in the field, advanced symptoms of infection with white mold (Sclerotinia sclerotiorum). |
| 5363976 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Wilting of a dry bean plant in the field, an initial symptom of infection with white mold (Sclerotinia sclerotiorum). |
| 5363975 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Fallen blossoms of dry bean that have been colonized by white mold (Sclerotinia sclerotiorum). |
| 5363974 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Apothecia of white mold (Sclerotinia sclerotiorum) and fallen leaves of dry bean that have been colonized by white mold. |
| 5363973 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Apothecia of white mold (Sclerotinia sclerotiorum) and fallen blossoms of dry bean that have been colonized by white mold. |
| 5363972 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Apothecia of white mold (Sclerotinia sclerotiorum) in a petri dish. |
| 5363968 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Photomicrograph of the ascus and ascospores of white mold (Sclerotinia sclerotiorum), a disease of dry beans. |
| 5361396 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Debris from screenings of culled beans, with sclerotia of white mold (Sclerotinia sclerotiorum) mixed among them. |
| 5361395 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Advanced symptoms of white mold (Sclerotinia sclerotiorum) in the canopy of bean plants in the field. |
| 5361394 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Advanced symptoms of white mold (Sclerotinia sclerotiorum) on the branches and pods of a bean plant. |
| 5361393 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Advanced symptoms of white mold (Sclerotinia sclerotiorum) on the branches and pods of bean plants. |
| 5361392 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Advanced symptoms of white mold (Sclerotinia sclerotiorum) on the branches and pods of a bean plant. |
| 5361391 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Fallen bean blossom colonized by white mold (Sclerotinia sclerotiorum), with apothecia of white mold in the soil nearby. |
| 5361390 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
White mold (Sclerotinia sclerotiorum) apothecia. |
| 5361389 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Bean pod and a bean blossom that have been colonized by white mold (Sclerotinia sclerotiorum). |
| 5361388 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
White mold (Sclerotinia sclerotiorum) apothecia. |
| 5361387 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
White mold (Sclerotinia sclerotiorum) apothecia. |
| 5361386 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
The sclerotia of whitemold Sclerotinia sclerotiorum in the laboratory. |
| 5361385 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
White mold symptoms on bean plants caused by Sclerotinia sclerotiorum (Lib.) de Bary in the field. |
| 5361312 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Drybean plants showing symptoms of white mold caused by Sclerotinia sclerotiorum. |
| 5358904 |
powdery mildew |
Erysiphe betae |
Powdery mildew (Erysiphe polygoni) infection of bean pods in a field in Colombia. |
| 5358902 |
powdery mildew |
Erysiphe betae |
Powdery mildew (Erysiphe polygoni) infection of bean plants in a field in Colombia. |
| 5358903 |
powdery mildew |
Erysiphe betae |
Powdery mildew (Erysiphe polygoni) infection of bean plants in a field in Colombia. |
| 5357172 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Bean plants destroyed by white mold (Sclerotinia sclerotiorum). |
| 5357613 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Straw technique used to inoculate experimental plants with white mold (Sclerotinia sclerotiorum) in the greenhouse. |
| 5357612 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Straw technique used to inoculate experimental plants with Sclerotinia rot (Sclerotinia sclerotiorum). |
| 5367339 |
powdery mildew |
Leveillula taurica |
Powdery mildew (Leveillula taurica) on leaves of onion, in the field. |
| 5367338 |
powdery mildew |
Leveillula taurica |
Close-up view of powdery mildew (Leveillula taurica) on onion leaves. |
| 1493067 |
powdery mildew |
Microsphaera penicillata |
Barley |
| 1473133 |
needle cast |
Bifusella linearis |
|
| 1473132 |
needle cast |
Bifusella saccata |
|
| 1473148 |
needlecast |
Lophodermella montivaga |
photo taken 1967 |
| 1473149 |
needlecast |
Lophodermella montivaga |
photo taken 6/1/1967 |
| 1473157 |
Medusa needle blight |
Davisomycella medusa |
photo taken 8/1/1967 |
| 1473158 |
pine needle cast |
Lophodermella cerina |
also one Ips killed tree on the right |
| 1473193 |
Cenangium cankers |
Cenangium spp. |
abundant sprouts replacing older, diseased stems |
| 1473131 |
Hypoderma fungus |
Hypoderma mexicanum |
photo taken in 1963 of asci and ascospores from needle tissue of type specimen |
| 1473129 |
needle cast |
Bifusella saccata |
1963 |
| 1473130 |
needle cast |
Bifusella saccata |
1963 |
| 1473086 |
Cenangium cankers |
Cenangium spp. |
inner bark deteriorates to a black, soot-like mass; 1961 |
| 1473072 |
Cenangium cankers |
Cenangium spp. |
infected mature stand |
| 1495071 |
powdery mildew |
Erysiphe necator |
powdery mildew |
| 1495074 |
powdery mildew |
Erysiphe necator |
powdery on grape cane |
| 5052066 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
|
| 5044073 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
|
| 5044075 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
|
| 1496505 |
mummy berry |
Monilinia vaccinii-corymbosi |
Leaf blight and sporulation of mummyberry on blackberry |
| 1496506 |
mummy berry |
Monilinia vaccinii-corymbosi |
Apothecia of mummy berry fungus |
| 1496508 |
mummy berry |
Monilinia vaccinii-corymbosi |
Top to bottom: Normal, MB off plant, MB off ground |
| 1496512 |
mummy berry |
Monilinia vaccinii-corymbosi |
|
| 1496513 |
mummy berry |
Monilinia vaccinii-corymbosi |
|
| 1496520 |
mummy berry |
Monilinia vaccinii-corymbosi |
|
| 1496521 |
mummy berry |
Monilinia vaccinii-corymbosi |
Apothecia of Mummy Berry |
| 1496522 |
mummy berry |
Monilinia vaccinii-corymbosi |
Apothecia of Mummy Berry |
| 1496525 |
mummy berry |
Monilinia vaccinii-corymbosi |
|
| 1496526 |
mummy berry |
Monilinia vaccinii-corymbosi |
|
| 1496527 |
mummy berry |
Monilinia vaccinii-corymbosi |
Mummyberry leaf blight on Blueberry |
| 1496533 |
mummy berry |
Monilinia vaccinii-corymbosi |
Mummy berry leaf flower blight |
| 1496534 |
mummy berry |
Monilinia vaccinii-corymbosi |
|
| 1496535 |
mummy berry |
Monilinia vaccinii-corymbosi |
|
| 1496536 |
mummy berry |
Monilinia vaccinii-corymbosi |
Apothecia of mummy berry |
| 1493089 |
alfalfa leaf spot |
Pseudopeziza medicaginis |
|
| 1493125 |
powdery mildew |
Oidium spp. |
|
| 1493135 |
powdery mildew |
Oidium spp. |
|
| 1493078 |
yellow leaf blotch |
Pseudopeziza jonesii |
|
| 1493044 |
yellow leaf blotch |
Pseudopeziza jonesii |
Red leaf |
| 1493009 |
powdery mildew |
Microsphaera penicillata |
|
| 1493010 |
powdery mildew |
Microsphaera penicillata |
|
| 1493012 |
powdery mildew |
Microsphaera penicillata |
|
| 1493013 |
powdery mildew |
Microsphaera penicillata |
|
| 1493016 |
powdery mildew |
Microsphaera penicillata |
|
| 1493017 |
powdery mildew |
Microsphaera penicillata |
|
| 1493018 |
powdery mildew |
Microsphaera penicillata |
|
| 1493019 |
powdery mildew |
Microsphaera penicillata |
|
| 1493021 |
powdery mildew |
Microsphaera penicillata |
|
| 1495075 |
powdery mildew |
Erysiphe necator |
Uncinula nector;powdery mildew |
| 1495076 |
powdery mildew |
Erysiphe necator |
mildew powdery |
| 1495077 |
powdery mildew |
Erysiphe necator |
powdery mildew on grape leaves |
| 1495078 |
powdery mildew |
Erysiphe necator |
Unciula necator; powdery mildew on grape |
| 1495072 |
powdery mildew |
Erysiphe necator |
powdery mildew on grape |
| 1495073 |
powdery mildew |
Erysiphe necator |
powdery mildew on grape |
| 1496023 |
powdery mildew |
Podosphaera leucotricha |
Powdery mildew on apple |
| 1496024 |
powdery mildew |
Podosphaera leucotricha |
Powdery mildew on apple |
| 1496026 |
powdery mildew |
Podosphaera leucotricha |
Powdery mildew |
| 1496029 |
powdery mildew |
Podosphaera leucotricha |
Powdery mildew on apple |
| 1496069 |
powdery mildew |
Podosphaera leucotricha |
Powdery mildew on apple |
| 1492050 |
powdery mildew |
Podosphaera pannosa |
|
| 1492136 |
Botryotinia blight |
Botryotinia fuckeliana |
|
| 1492056 |
brown rot blossom blight and spur infection |
Monilinia laxa |
Blossom Blight Peach |
| 1492036 |
brown rot |
Monilinia fructicola |
|
| 1492004 |
brown rots |
Monilinia spp. |
Peach blossom blight |
| 1492006 |
brown rots |
Monilinia spp. |
Peach blossom blight |
| 1492007 |
brown rots |
Monilinia spp. |
apothecium |
| 1492008 |
brown rots |
Monilinia spp. |
L13-38 Brown Rot Blossom blight |
| 1492009 |
brown rots |
Monilinia spp. |
apothecia |
| 1492011 |
brown rots |
Monilinia spp. |
|
| 1492012 |
brown rots |
Monilinia spp. |
|
| 1492013 |
brown rots |
Monilinia spp. |
|
| 1492017 |
brown rots |
Monilinia spp. |
|
| 1492001 |
brown rots |
Monilinia spp. |
Peach blossom blight |
| 1492002 |
brown rots |
Monilinia spp. |
Peach blossom blight |
| 1492003 |
brown rots |
Monilinia spp. |
Peach blossom blight |
| 1473276 |
Atropellis canker |
Atropellis piniphila |
8/1/1964 Lincoln Co., Mescalero Apache Indian Reservation |
| 1473277 |
Atropellis canker |
Atropellis piniphila |
8/1/1964 Lincoln Co., Mescalero Apache Indian Reservation |
| 1473278 |
Atropellis canker |
Atropellis piniphila |
8/1/1964 Lincoln Co., Mescalero Apache Indian Reservation |
| 1473200 |
pine needle cast |
Lophodermella cerina |
close up of original infection center from intersection of Walken and Snowdrift Roads |
| 1473266 |
Elytroderma needle cast of pine |
Elytroderma deformans |
|
| 1473261 |
pine needle cast |
Lophodermella cerina |
close up of all classes of Lophodermella cerina infected needles from Hassayampa Lake area (healthy, light, moderate, heavy); 5/1/1959 |
| 1473263 |
pine needle cast |
Lophodermella cerina |
6/23/1966 |
| 1473199 |
pine needle cast |
Lophodermella cerina |
on Ponderosa pine plantation; 7/1/1967, |
| 1473253 |
pine needle cast |
Lophodermella cerina |
|
| 1473254 |
pine needle cast |
Lophodermella cerina |
original infestation center |
| 1473255 |
pine needle cast |
Lophodermella cerina |
|
| 1473256 |
pine needle cast |
Lophodermella cerina |
moderate infection |
| 1473257 |
pine needle cast |
Lophodermella cerina |
heavy infection |
| 1473258 |
pine needle cast |
Lophodermella cerina |
heavy infection |
| 1473259 |
pine needle cast |
Lophodermella cerina |
|
| 1473267 |
Hemiphacidium fungus |
Hemiphacidium planum |
photomicrograph |
| 1524144 |
powdery mildew |
Blumeria graminis |
|
| 1524145 |
powdery mildew |
Blumeria graminis |
|
| 5077003 |
powdery mildews |
|
Comparison of Downy mildew and Powdery mildew on squash. Downy mildew: yellow spot on top and dark mold on bottom of leaf. Lesions can appear angular.
Powdery mildew: noticeable white, moldy growth |
| 5267031 |
Idriella root rot |
Idriella spp. |
micrograph |
| 5267015 |
Idriella root rot |
Idriella spp. |
conidia |
| 5264078 |
camellia flower blight |
Ciborinia camelliae |
|
| 5264080 |
camellia flower blight |
Ciborinia camelliae |
|
| 5268038 |
powdery mildew |
Erysiphe lagerstroemiae |
|
| 5264079 |
camellia flower blight |
Ciborinia camelliae |
|
| 5264097 |
black spot |
Diplocarpon rosae |
|
| 5264098 |
black spot |
Diplocarpon rosae |
|
| 5264099 |
black spot |
Diplocarpon rosae |
|
| 5264100 |
black spot |
Diplocarpon rosae |
|
| 5265001 |
black spot |
Diplocarpon rosae |
|
| 5265002 |
black spot |
Diplocarpon rosae |
|
| 5265003 |
black spot |
Diplocarpon rosae |
|
| 5265004 |
black spot |
Diplocarpon rosae |
|
| 5265005 |
black spot |
Diplocarpon rosae |
|
| 5265006 |
black spot |
Diplocarpon rosae |
|
| 5265007 |
black spot |
Diplocarpon rosae |
|
| 5265008 |
black spot |
Diplocarpon rosae |
|
| 5265009 |
black spot |
Diplocarpon rosae |
|
| 5265010 |
black spot |
Diplocarpon rosae |
|
| 5265011 |
black spot |
Diplocarpon rosae |
|
| 5265012 |
black spot |
Diplocarpon rosae |
|
| 5265013 |
black spot |
Diplocarpon rosae |
|
| 5265014 |
black spot |
Diplocarpon rosae |
|
| 5265015 |
black spot |
Diplocarpon rosae |
|
| 5267012 |
black spot |
Diplocarpon rosae |
|
| 5267013 |
black spot |
Diplocarpon rosae |
|
| 5267014 |
black spot |
Diplocarpon rosae |
|
| 5264089 |
black spot |
Diplocarpon rosae |
|
| 5264090 |
black spot |
Diplocarpon rosae |
|
| 5264091 |
black spot |
Diplocarpon rosae |
|
| 5264092 |
black spot |
Diplocarpon rosae |
|
| 5264093 |
black spot |
Diplocarpon rosae |
|
| 5264094 |
black spot |
Diplocarpon rosae |
|
| 5264095 |
black spot |
Diplocarpon rosae |
|
| 5262023 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5262024 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5262025 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5262026 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5262027 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5262028 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5262029 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5262030 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5262031 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5262016 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5262017 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5262018 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5262019 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5261080 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5261081 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5261083 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258079 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258080 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258081 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258082 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258083 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258084 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258085 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258086 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258087 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258088 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258089 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258090 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258091 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258092 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258072 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258073 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258069 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258070 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258071 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258078 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258074 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258075 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258076 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258077 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5258066 |
tar spot of maple |
Rhytisma acerinum |
|
| 5258067 |
tar spot of maple |
Rhytisma acerinum |
|
| 5258068 |
tar spot of maple |
Rhytisma acerinum |
|
| 5223012 |
brown rot |
Monilinia fructicola |
|
| 5223013 |
brown rot |
Monilinia fructicola |
|
| 5223014 |
brown rot |
Monilinia fructicola |
|
| 5223015 |
brown rot |
Monilinia fructicola |
|
| 5220092 |
black spot |
Diplocarpon rosae |
|
| 5220093 |
black spot |
Diplocarpon rosae |
|
| 5220094 |
black spot |
Diplocarpon rosae |
|
| 5221089 |
powdery mildew |
Erysiphe cichoracearum |
|
| 5221090 |
powdery mildew |
Erysiphe cichoracearum |
|
| 5221091 |
powdery mildew |
Erysiphe lagerstroemiae |
Purple variety is very susceptible |
| 5221092 |
powdery mildew |
Erysiphe lagerstroemiae |
Far East variety is fairly resistant |
| 5221093 |
powdery mildew |
Erysiphe lagerstroemiae |
Purple variety is susceptible |
| 5221095 |
powdery mildew |
Erysiphe lagerstroemiae |
Pure white is moderately susceptible |
| 5221096 |
powdery mildew |
Erysiphe lagerstroemiae |
Near East variety is fairly resistant |
| 5221097 |
powdery mildew |
Erysiphe lagerstroemiae |
Near East variety is fairly resistant |
| 5221098 |
powdery mildew |
Erysiphe lagerstroemiae |
|
| 5221087 |
powdery mildew |
Erysiphe cichoracearum |
|
| 5265035 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5265036 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5267032 |
Idriella root rot |
Idriella spp. |
conidia |
| 5267033 |
Idriella root rot |
Idriella spp. |
micrograph |
| 5267034 |
Idriella root rot |
Idriella spp. |
conidia |
| 5267016 |
Idriella root rot |
Idriella spp. |
conidia |
| 5267017 |
Idriella root rot |
Idriella spp. |
conidia |
| 5267018 |
Idriella root rot |
Idriella spp. |
conidia |
| 5267019 |
Idriella root rot |
Idriella spp. |
micrograph |
| 5267020 |
Idriella root rot |
Idriella spp. |
micrograph |
| 5267021 |
Idriella root rot |
Idriella spp. |
conidia |
| 5267022 |
Idriella root rot |
Idriella spp. |
conidia |
| 5267023 |
Idriella root rot |
Idriella spp. |
micrograph |
| 5267024 |
Idriella root rot |
Idriella spp. |
micrograph |
| 5267025 |
Idriella root rot |
Idriella spp. |
conidia |
| 5267026 |
Idriella root rot |
Idriella spp. |
micrograph |
| 5267027 |
Idriella root rot |
Idriella spp. |
conidia |
| 5267028 |
Idriella root rot |
Idriella spp. |
micrograph |
| 5267029 |
Idriella root rot |
Idriella spp. |
conidia |
| 5267030 |
Idriella root rot |
Idriella spp. |
micrograph |
| 1503017 |
needle blight of cedar |
Didymascella thujina |
Needle blight; red cedar |
| 1503018 |
needle blight of cedar |
Didymascella thujina |
Needle blight; red cedar |
| 1503019 |
needle blight of cedar |
Didymascella thujina |
Needle blight; red cedar; pycnidia |
| 1503020 |
needle blight of cedar |
Didymascella thujina |
Needle blight; red cedar; pycnidia |
| 5202068 |
tar spot |
Rhytisma americanum |
Raised spots of leaf; Photo taken in August in Ramsey Co., MN |
| 5202069 |
tar spot |
Rhytisma americanum |
Raised spots on leaf; Photo taken in August in Ramsey Co., MN |
| 5029066 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
|
| 5029065 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
Lower branches on red pine killed by Gremmeniella abietina. |
| 5028072 |
blue stain |
Chlorociboria aeruginascens |
This fungus causes a blue-green stain in wood. It is not related to the usual blue-stain fungi (Ceratocystis and allies). |
| 5028073 |
blue stain |
Chlorociboria aeruginascens |
Blue-green stain characteristic of that caused by this species. |
| 1479017 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
Classic symptom of lower branch mortality due to the Lake States strain of scleroderris canker. Photo taken in a landscape depression on the Ottawa National Forest, Michigan. Lower branches were below snow line at this site. |
| 5058043 |
Rhabdocline needlecast |
Rhabdocline weirii |
|
| 5058044 |
Rhabdocline needlecast |
Rhabdocline weirii |
asci |
| 5142097 |
powdery mildew |
Erysiphe cichoracearum |
|
| 3036087 |
pine needle cast |
Lophodermium pinastri |
symptoms on pine |
| 3035066 |
powdery mildews |
|
infected dogwood |
| 1317032 |
dollar spot |
Sclerotinia homoeocarpa |
Dollar spot, seen here on creeping bentgrass, is one of the two most troublesome diseases of golf course grasses. |
| 1317033 |
dollar spot |
Sclerotinia homoeocarpa |
Close-up of dollar spot damage on Kentucky bluegrass. |
| 1235046 |
brown rot |
Monilinia fructicola |
|
| 1236074 |
brown rot |
Monilinia fructicola |
|
| 1235105 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 5027028 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5027029 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5027030 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5027003 |
Lophodermium needle casts |
Lophodermium spp. |
conidia |
| 5026056 |
black spot |
Diplocarpon rosae |
conidia |
| 5021067 |
needle blight of hemlock |
Fabrella tsugae |
|
| 5021068 |
needle blight of hemlock |
Fabrella tsugae |
|
| 5021069 |
needle blight of hemlock |
Fabrella tsugae |
|
| 5021070 |
needle blight of hemlock |
Fabrella tsugae |
|
| 5021071 |
needle blight of hemlock |
Fabrella tsugae |
|
| 5076070 |
Botrytis leaf blight |
Botrytis squamosa |
Lesions appear as small, sunken, light tan areas surrounded by pale green tissue or "ghost halos". |
| 5077043 |
powdery mildew |
Podosphaera fuliginea |
Powdery Mildew
on Watermelon
(Podosphaera xanthii syn. Sphaerotheca fuliginea)
White, moldy growth. May appear on top or bottom of leaf. Could be confused with downy mildew in early stages. |
| 5076078 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
White, fluffy mycelia grow on surface and form black sclerotia. Tissue turns tannish or gray and is highly deteriorated. Looks like cottony leak (Pythium) but occurs during cool weather. |
| 5077018 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Entire head begins to collapse with white fungal growth observed. Black, raisin-like structures observed in latter stages of development.powerpo |
| 5058042 |
Rhabdocline needlecast |
Rhabdocline weirii |
|
| 5057098 |
Ploioderma needle cast of pine |
Ploioderma lethale |
|
| 5077001 |
powdery mildew |
Podosphaera fuliginea |
White, moldy growth. May appear on top or bottom of leaf. Could be confused with downy mildew. |
| 5077035 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Grayish, white mold observed usually at base of plant. Black "raisin" like structures observed in latter stages of development. Plant will collapse in latter stages. |
| 5077070 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Grayish, white mold forms at the base of stem. Black "raisin" like structures appear as disease progresses. Can extend underground to the root.o |
| 5044072 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
|
| 5055014 |
larch needle cast |
Hypodermella laricis |
needle reflush |
| 5051068 |
Elytroderma needle cast of pine |
Elytroderma deformans |
|
| 5049031 |
Blumeriella leaf spot of cherry and plum |
Blumeriella jaapii |
|
| 5049032 |
Blumeriella leaf spot of cherry and plum |
Blumeriella jaapii |
|
| 5046022 |
Rhabdocline needlecasts |
Rhabdocline spp. |
|
| 5058041 |
Rhabdocline needlecast |
Rhabdocline weirii |
ascospores |
| 5055040 |
needle cast |
Lophodermium seditiosum |
|
| 5055041 |
needle cast |
Lophodermium seditiosum |
|
| 5049073 |
blue stain |
Chlorociboria aeruginascens |
|
| 5050046 |
Cyclaneusma needle cast |
Cyclaneusma minus |
|
| 5050047 |
Cyclaneusma needle cast |
Cyclaneusma minus |
|
| 5050048 |
Cyclaneusma needle cast |
Cyclaneusma minus |
|
| 5033043 |
blue stain |
Chlorociboria aeruginascens |
|
| 5033044 |
blue stain |
Chlorociboria aeruginascens |
|
| 5033023 |
yellow fairy cups |
Bisporella citrina |
|
| 5027009 |
powdery mildew |
Podosphaera pannosa |
|
| 5027006 |
Lophodermium needle casts |
Lophodermium spp. |
conidia released from pycnidia |
| 5027007 |
Lophodermium needle casts |
Lophodermium spp. |
conidia |
| 5027004 |
Lophodermium needle casts |
Lophodermium spp. |
|
| 5027005 |
Lophodermium needle casts |
Lophodermium spp. |
|
| 5027002 |
Lophodermium needle casts |
Lophodermium spp. |
pycnidia opened to release conidia |
| 2110040 |
Cenangium limb canker |
Cenangium ferruginosum |
open apothecia on a twig after keeping moist; June 2001 |
| 2112093 |
pine needle cast |
Lophodermium pinastri |
damage to Scots pine plants |
| 2112096 |
Phacidium fungus |
Phacidium coniferarum |
necrotic lesions on the bark of the Douglas fir stem |
| 2112098 |
Phacidium fungus |
Phacidium coniferarum |
Douglas fir killed by Phacidium coniferarum |
| 2113091 |
Phacidium fungus |
Phacidium coniferarum |
Douglas fir killed by Phacidium coniferarum |
| 2112092 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
apothecia of Ascocalyx abietina on a twig; July 2001 |
| 2112099 |
Ciboria fungus |
Ciboria batschiana |
apothecia on a mummified acorn |
| 2112100 |
Ciboria fungus |
Ciboria batschiana |
a mummified acorn with apothecia |
| 2113081 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
symptoms of infested tree |
| 2113089 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
falling down needles infested by the fungus |
| 2113082 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
fruiting bodies on needles |
| 2113083 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
symptoms of infestation |
| 2113084 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
symptoms of infestation |
| 2113085 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
fruiting bodies on needles |
| 2113095 |
pine needle cast |
Lophodermium pinastri |
damage to Scots pine plants (in the middle of the picture) |
| 2110072 |
pine needle cast |
Lophodermium pinastri |
fruiting bodies on needles; 1999 |
| 2110074 |
pine needle cast |
Lophodermium pinastri |
color change after infection of needles; 1999 |
| 2110075 |
pine needle cast |
Lophodermium pinastri |
pycnidia on needles; March 2000 |
| 2111022 |
pine needle cast |
Lophodermium pinastri |
fruiting bodies on needles |
| 2111023 |
pine needle cast |
Lophodermium pinastri |
damage to Scots pine plants |
| 2110051 |
spruce needle cast/blight |
Lirula macrospora |
fruiting bodies on needles |
| 2110053 |
needle cast |
Lophodermium juniperinum |
fruiting bodies on needles; May 2001 |
| 2111016 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
fruiting bodies on needles |
| 2110065 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
dead twigs infested by the fungus; June 2000 |
| 2111020 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
young trees of P. pungens infested by the fungus; 1999 |
| 2110052 |
spruce needle cast |
Lophodermium piceae |
fruiting bodies on needles; December 2000 |
| 2110083 |
needlecast |
Meloderma desmazieri |
a died twig of eastern white pine; August 1999 |
| 2110084 |
needlecast |
Meloderma desmazieri |
damage to eastern white pine; August 2001 |
| 2111014 |
needlecast |
Meloderma desmazieri |
damage to eastern white pine; August 2001 |
| 2111015 |
needlecast |
Meloderma desmazieri |
fruiting bodies on needles; September 1999 |
| 2110073 |
pine needle cast |
Lophodermium pinastri |
damage to Scots pine plantation |
| 2111032 |
Dasyscypha cankers |
Lachnellula spp. |
fruiting bodies on a branch; September 2001 |
| 2111033 |
Dasyscypha cankers |
Lachnellula spp. |
fruiting body on a cone; September 2001 |
| 2110088 |
powdery mildew of oak |
Microsphaera alphitoides |
mycelium with cleistothecia (black dots) on a leaf |
| 2111011 |
powdery mildew of oak |
Microsphaera alphitoides |
mycelium with cleistothecia (black dots) on a leaf |
| 2111024 |
pine needle cast |
Lophodermium pinastri |
damage to Scots pine plantation |
| 2111028 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
dead twigs infested by the fungus; June 2002 |
| 2110066 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
dead twigs infested by the fungus; June 2000 |
| 2110067 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
severely damaged young tree infested by the fungus; July 2002 |
| 2110069 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
pycnidia of Brunchorstia pinea on a dead twig; June 2000 |
| 2110070 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
pycnidia of Brunchorstia pinea on a dead twig; June 2000 |
| 2110071 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
a dead bud with pycnidia of Brunchorstia pinea; June 2000 |
| 2111021 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
pycnidia of Brunchorstia pinea on a dead twig; June 2000 |
| 2110068 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
young stand infested by the fungus |
| 2110041 |
Cenangium limb canker |
Cenangium ferruginosum |
apothecia (more or less closed) on a twig; June 2001 |
| 4544038 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
|
| 4544092 |
needlecast |
Meloderma desmazieri |
|
| 1467369 |
Elytroderma needle cast of pine |
Elytroderma deformans |
|
| 1467370 |
Elytroderma needle cast of pine |
Elytroderma deformans |
slice of bark showing necrotic areas in cambium |
| 1467371 |
Elytroderma needle cast of pine |
Elytroderma deformans |
long, narrow, black, hysterothecia |
| 1467364 |
Elytroderma needle cast of pine |
Elytroderma deformans |
|
| 1467403 |
pine needle cast |
Lophodermium nitens |
black shiny hyserothecia |
| 1467394 |
needle cast |
Virgella robusta |
long black hysterothecium along midrib |
| 1467401 |
needlecast |
Davisomycella montana |
hysterothecia; note brown margiinal lines surrounding sordid areas |
| 1467377 |
Medusa needle blight |
Davisomycella medusa |
|
| 1467380 |
Medusa needle blight |
Davisomycella medusa |
|
| 1467143 |
Atropellis canker |
Atropellis pinicola |
pycnidial stromata |
| 1467041 |
pine needle cast |
Lophodermium pinastri |
|
| 1467373 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
|
| 1467374 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
|
| 1467375 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
|
| 1467399 |
common snow mold |
Phacidium infestans |
|
| 1415238 |
tar spot of maple |
Rhytisma acerinum |
|
| 1415094 |
Trichoscyphella fungus |
Lachnellula suecica |
July 16, 2002 |
| 1415141 |
Ciboria fungus |
Ciboria batschiana |
Lines on the acorn. Aug. 12, 2002 |
| 1415191 |
European larch canker |
Lachnellula willkommii |
June 20, 2003 |
| 1415103 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
Branch dieback. July 23, 2002 |
| 1415148 |
tar spot |
Rhytisma punctatum |
August 26, 2002 |
| 1415249 |
Colpoma fungus |
Colpoma quercinum |
|
| 1415250 |
Colpoma fungus |
Colpoma quercinum |
|
| 1415206 |
Phacidium fungus |
Phacidium coniferarum |
Pyknidia. July 8, 2003 |
| 1415205 |
Phacidium fungus |
Phacidium coniferarum |
Conidia on the bark. July 8, 2003 |
| 1415211 |
Phacidium fungus |
Phacidium coniferarum |
July 8, 2003 |
| 1415215 |
Phacidium fungus |
Phacidium coniferarum |
Top dieback. July 8, 2003 |
| 1415216 |
Phacidium fungus |
Phacidium coniferarum |
Conidia on the bark. July 21, 2003 |
| 1415058 |
Cenangium limb canker |
Cenangium ferruginosum |
June 17, 2002 |
| 1415061 |
powdery mildew of oak |
Microsphaera alphitoides |
Cleistothecia. June 17, 2002 |
| 1415062 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 1415026 |
Ascodicheana fungus |
Ascodichaena rugosa |
May 9, 2002 |
| 1406066 |
pine needle cast |
Lophodermium pinastri |
2 1/2 lb. Maneb aerial spray |
| 1406091 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
fungicide tests |
| 1406092 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
fungicide tests |
| 2251047 |
Elytroderma needle cast of pine |
Elytroderma deformans |
|
| 1248009 |
powdery mildew |
Microsphaera abbreviata |
Infection on foliage of Quercus sp, Romania |
| 1371073 |
pine needle cast |
Lophodermium pinastri |
Brown needles with black teleomorph stage. Malacky, Slovakia |
| 1371093 |
Phloeosporella fungus |
Phloeosporella padi |
Hlohovec, Slovakia |
| 1371104 |
Pezicula fungus |
Pezicula cinnamomea |
Callusing rings. Göttingen, Germany |
| 1361145 |
powdery mildews |
|
The fungus covers the leaf surface giving the typical powdery appearance. |
| 1244001 |
Pan de indio |
Cyttaria darwinii |
|
| 1254068 |
powdery mildews |
|
Fort Collins, CO. |
| 1301002 |
Chlorociboria fungus |
Chlorociboria aeruginosa |
Smal cap fungus that grows on dead wood |
| 1241743 |
Lachnellula canker |
Lachnellula flavovirens |
Lachnellula canker causing topkill of a larch sapling. |
| 1241607 |
pine needle cast |
Lophodermium nitens |
Needle casts and blights are most evident in lower crowns of trees. In severe infections such as this all except the current season's foliage are gone or dead. This is lophodermium nitens on western white pine. |
| 1241577 |
fir needle cast |
Isthmiella quadrispora |
Yellow discolored needles of subalpine fir with Isthmiella quadrispora (needle cast) infection and secondary infection by Lophomerum autumnale (Darker) magasi. |
| 1241578 |
common snow mold |
Phacidium infestans |
Snow blight kills needles under snow. Small black dots of fruiting bodies are in two lines on either side of the midrib on the underside of needles. |
| 1241710 |
Atropellis canker |
Atropellis piniphila |
Black staining of the sapwood beneath an Atropellis canker helps distinguish it from other stem cankers. |
| 1241505 |
Elytroderma needle cast of pine |
Elytroderma deformans |
Cambium of infected branches has small pockets of dark resin. |
| 1241507 |
Elytroderma needle cast of pine |
Elytroderma deformans |
Fruiting bodies are black lines near the base of needles. |
| 1235030 |
powdery mildew |
Microsphaera penicillata |
|
| 1235037 |
powdery mildew |
Microsphaera penicillata |
|
| 1235038 |
powdery mildew |
Microsphaera penicillata |
|
| 1233234 |
powdery mildew |
Blumeria graminis |
|
| 1234132 |
powdery mildew |
Podosphaera pannosa |
|
| 1233035 |
black spot |
Diplocarpon rosae |
|
| 1224002 |
powdery mildew |
Microsphaera penicillata |
|
| 1442041 |
Atropellis canker |
Atropellis piniphila |
Glacier National Park, Montana |
| 1442047 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
|
| 1436028 |
powdery mildew |
Blumeria graminis |
|
| 1436041 |
clover leaf spot |
Pseudopeziza trifolii |
|
| 2666002 |
zonate leaf spot |
Grovesinia pyramidalis |
early symptoms begins as small gray to light brown spots on the leaflets |
| 4822069 |
powdery mildew |
Microsphaera penicillata |
Initial infection (left) appears as raised circular areas on the leaves covered with powdery white fungus cells which can spread over leaf surface (right). |
| 4823055 |
pine needle cast |
Lophodermella cerina |
Hysterothecia are small (1-2 mm), black elongated fruting bodies which produce ascospores. |
| 4823059 |
pine needle cast |
Lophodermella cerina |
Ascomata (hysterothecia) on infected needle. |
| 2251012 |
Atropellis canker |
Atropellis piniphila |
|
| 2251016 |
Atropellis canker |
Atropellis piniphila |
cross-section of canker |
| 2251026 |
Atropellis canker |
Atropellis piniphila |
stained wood beneath canker |
| 2251027 |
Dasyscypha cankers |
Lachnellula spp. |
|
| 2251029 |
Dasyscypha cankers |
Lachnellula spp. |
terminal shoot infections |
| 2251035 |
larch needle cast |
Hypodermella laricis |
diseased needles |
| 4215057 |
Cenangium limb canker |
Cenangium ferruginosum |
characteristic flecking of wood under bark |
| 4215056 |
sooty-bark canker |
Encoelia pruinosa |
apothecia |
| 0590021 |
Cenangium limb canker |
Cenangium ferruginosum |
on white pine |
| 0364002 |
tar spots |
Rhytisma spp. |
closeup view of leaf damage |
| 0364019 |
Lophodermium needle casts |
Lophodermium spp. |
close-up view |
| 0364020 |
Lophodermium needle casts |
Lophodermium spp. |
close-up view |
| 0364025 |
pine needle cast |
Lophodermella cerina |
close-up view |
