| 5408713 |
powdery mildew |
Erysiphe cichoracearum |
Powdery mildew
Pathogen type: Fungus |
| 5408714 |
powdery mildew |
Erysiphe cichoracearum |
Powdery mildew
Pathogen type: Fungus |
| 5408715 |
powdery mildew |
Erysiphe cichoracearum |
Powdery mildew
Pathogen type: Fungus |
| 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). |
| 5461622 |
|
Uncinula sp. |
Asci with spores |
| 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 |
| 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 |
| 5492244 |
powdery mildew |
Oidium caricae-papayae |
Diseased papaya leaves |
| 5488287 |
needlecasts |
Davisomycella spp. |
Hysterothecia evident in symptomatic needles |
| 5488285 |
needlecasts |
Davisomycella spp. |
Hysterothecia evident in symptomatic needles |
| 1503011 |
Lophodermium needle casts |
Lophodermium spp. |
Brown spot needle cast; loblolly pine |
| 1573178 |
powdery mildew |
Erysiphe pisi |
Powdery mildew on garden pea. 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 |
| 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 |
| 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 |
| 5488195 |
powdery mildew |
Golovinomyces cichoracearum |
Conidia |
| 5484008 |
powdery mildew |
Podosphaera fuliginea |
|
| 5484009 |
powdery mildew |
Podosphaera fuliginea |
|
| 5484010 |
powdery mildew |
Podosphaera fuliginea |
|
| 5484018 |
powdery mildew |
Podosphaera fuliginea |
|
| 5484019 |
powdery mildew |
Podosphaera fuliginea |
|
| 5484020 |
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 |
|
| 5486063 |
tar spot of maple |
Rhytisma acerinum |
Apothecia in tar spots (Spring) |
| 5402969 |
powdery mildew |
Erysiphe cichoracearum |
|
| 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 |
| 5418722 |
powdery mildew |
Phyllactinia spp. |
Powdery mildew on winter wheat |
| 5418723 |
powdery mildew |
Phyllactinia spp. |
Powdery mildew on winter wheat |
| 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 |
| 5476347 |
white-nose syndrome fungus |
Geomyces destructans |
Humans cans transport the spores. This is a gated cave to prevent human access. |
| 5476358 |
white-nose syndrome fungus |
Geomyces destructans |
on bats |
| 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. |
| 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. |
| 5454532 |
anthracnose |
Gloeosporium spp. |
|
| 5454531 |
anthracnose |
Gloeosporium spp. |
Note: photo taken during high precipitation levels in early spring. |
| 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 |
| 5469486 |
powdery mildew |
Erysiphe diffusa |
This plant also has Septoria brown spot. |
| 5469489 |
powdery mildew |
Erysiphe diffusa |
this plant also has Septoria brown spot. |
| 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 |
|
| 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 |
|
| 5465741 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5465743 |
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 |
|
| 5459174 |
white rot |
Stromatinia cepivora |
Infested garlic bed |
| 5459173 |
white rot |
Stromatinia cepivora |
Infested garlic bed |
| 5459172 |
white rot |
Stromatinia cepivora |
Infested garlic bed |
| 5458603 |
Rhabdocline needlecast |
Rhabdocline weirii |
The fruiting bodies rupture the needle epidermis in spring exposing the spore bearing areas. |
| 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 |
| 5446322 |
powdery mildew |
Erysiphe betae |
close-up of powdery mildew mycelium patch |
| 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 |
| 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 |
| 1570711 |
earth tongue |
Spathularia spp. |
Spathularia sp. September 1993 |
| 5408693 |
powdery mildew |
Oidium spp. |
Powdery mildew
Pathogen type: Fungus |
| 1236181 |
powdery mildew |
Podosphaera leucotricha |
|
| 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 |
| 0364016 |
Rhabdocline needlecasts |
Rhabdocline spp. |
symptoms on blue spruce |
| 0364014 |
Rhabdocline needlecasts |
Rhabdocline spp. |
symptoms on blue spruce |
| 1261218 |
tar spot of maple |
Rhytisma acerinum |
Poland |
| 1436149 |
camellia flower blight |
Ciborinia camelliae |
apothecium |
| 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 |
| 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 |
| 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. |
| 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 |
| 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 |
|
| 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 |
| 1415097 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
Branch dieback. July 16, 2002 |
| 1415091 |
pine needle cast |
Lophodermium pinastri |
Needlecast. 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. |
| 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 |
| 5424436 |
Marssonina leaf spots |
Marssonina spp. |
Close-up of one spot on lower surface of leaf with a single spore-producing body ("acervulus"). |
| 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 |
|
| 1467385 |
white pine needlecast |
Lophodermella arcuata |
|
| 1467398 |
common snow mold |
Phacidium infestans |
|
| 1406088 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
red pine plantation |
| 1241615 |
white pine needlecast |
Lophodermella arcuata |
Chronic infection has killed all except the current season's foliage. |
| 1400171 |
zonate leaf spot |
Grovesinia pyramidalis |
|
| 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 |
| 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. |
| 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 |
| 5407865 |
powdery mildew |
Erysiphe necator |
White powdery fungal growth covering the upper side of grape leaves infected with Uncinula necator (powdery mildew) |
| 1361143 |
Lophodermium needle casts |
Lophodermium spp. |
|
| 1467376 |
Rhabdocline needlecast |
Rhabdocline weirii |
|
| 1415192 |
spruce needle cast/blight |
Lirula macrospora |
June 20, 2003 |
| 1571085 |
powdery mildew |
Erysiphe betae |
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 |
| 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. |
|
| 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 |
|
| 5417088 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5417089 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5417087 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5403525 |
powdery mildew |
Phyllactinia mali |
Powdery mildew at the back of pear leaf |
| 5403515 |
powdery mildew |
Oidium cinnamomi |
|
| 5408844 |
powdery mildew |
Erysiphe necator |
|
| 5403517 |
powdery mildew |
Erysiphe necator |
Powdery mildew of grape on leaf and fruit |
| 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. |
| 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. |
| 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. |
| 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. |
| 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 |
| 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 |
|
| 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 |
| 5379699 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 5379700 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 5379701 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 5379740 |
powdery mildew |
Erysiphe flexuosa |
|
| 5379741 |
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 |
|
| 5382970 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 5382972 |
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 |
|
| 1525682 |
powdery mildew |
Erysiphe spp. |
|
| 1525683 |
powdery mildew |
Erysiphe spp. |
|
| 1525684 |
powdery mildew |
Erysiphe spp. |
|
| 1525685 |
powdery mildew |
Erysiphe spp. |
|
| 1525686 |
powdery mildew |
Erysiphe spp. |
|
| 5334044 |
powdery mildew |
Oidium spp. |
highly susceptible cultivar 'Cherokee Sunset' |
| 5337035 |
powdery mildew |
Oidium spp. |
|
| 5337036 |
powdery mildew |
Oidium spp. |
|
| 1525280 |
white rot fungus |
Stromatinia gladioli |
|
| 1525281 |
white rot fungus |
Stromatinia gladioli |
|
| 1525282 |
white rot fungus |
Stromatinia gladioli |
|
| 1525283 |
white rot fungus |
Stromatinia gladioli |
|
| 1525284 |
white rot fungus |
Stromatinia gladioli |
|
| 1436155 |
black spot |
Diplocarpon rosae |
|
| 0758003 |
Pan de indio |
Cyttaria darwinii |
|
| 5332082 |
powdery mildew |
Blumeria graminis |
|
| 5332029 |
alfalfa leaf spot |
Pseudopeziza medicaginis |
|
| 5333002 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5333003 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5333004 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5333005 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5333006 |
dollar spot |
Sclerotinia homoeocarpa |
Pennsylvania State University field trials |
| 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. |
| 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 |
|
| 5373039 |
powdery mildew |
Oidium spp. |
|
| 5359750 |
powdery mildew |
Podosphaera spp. |
Immature peach fruits with symptoms of a powdery mildew infection caused by Podosphaera spp. in Yemen. |
| 1473189 |
Cenangium cankers |
Cenangium spp. |
canker high on bole |
| 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. |
| 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. |
| 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 |
| 1524124 |
powdery mildew |
Blumeria graminis |
Root knot and stubby root nematodes |
| 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). |
| 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. |
| 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). |
| 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. |
| 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. |
| 5366826 |
Elytroderma needle cast of pine |
Elytroderma deformans |
Ponderosa pine with witches' brooms and needlecast symptoms of needle cast fungus of pine (Elytroderma deformans). |
| 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. |
| 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). |
| 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. |
| 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. |
| 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. |
| 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. |
| 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). |
| 5367339 |
powdery mildew |
Leveillula taurica |
Powdery mildew (Leveillula taurica) on leaves of onion, in the field. |
| 1473132 |
needle cast |
Bifusella saccata |
|
| 1473133 |
needle cast |
Bifusella linearis |
|
| 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 |
| 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 |
|
| 1492004 |
brown rots |
Monilinia spp. |
Peach blossom blight |
| 1492006 |
brown rots |
Monilinia spp. |
Peach blossom blight |
| 1492007 |
brown rots |
Monilinia spp. |
apothecium |
| 1492009 |
brown rots |
Monilinia spp. |
apothecia |
| 1492011 |
brown rots |
Monilinia spp. |
|
| 1492013 |
brown rots |
Monilinia spp. |
|
| 1492056 |
brown rot blossom blight and spur infection |
Monilinia laxa |
Blossom Blight Peach |
| 1493009 |
powdery mildew |
Microsphaera penicillata |
|
| 1493010 |
powdery mildew |
Microsphaera penicillata |
|
| 1493017 |
powdery mildew |
Microsphaera penicillata |
|
| 1493018 |
powdery mildew |
Microsphaera penicillata |
|
| 1493019 |
powdery mildew |
Microsphaera penicillata |
|
| 1493044 |
yellow leaf blotch |
Pseudopeziza jonesii |
Red leaf |
| 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 |
| 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 |
| 1496525 |
mummy berry |
Monilinia vaccinii-corymbosi |
|
| 1496526 |
mummy berry |
Monilinia vaccinii-corymbosi |
|
| 1496527 |
mummy berry |
Monilinia vaccinii-corymbosi |
Mummyberry leaf blight on Blueberry |
| 1496534 |
mummy berry |
Monilinia vaccinii-corymbosi |
|
| 1496535 |
mummy berry |
Monilinia vaccinii-corymbosi |
|
| 1496536 |
mummy berry |
Monilinia vaccinii-corymbosi |
Apothecia of mummy berry |
| 1492001 |
brown rots |
Monilinia spp. |
Peach blossom blight |
| 1492002 |
brown rots |
Monilinia spp. |
Peach blossom blight |
| 1473199 |
pine needle cast |
Lophodermella cerina |
on Ponderosa pine plantation; 7/1/1967, |
| 1473200 |
pine needle cast |
Lophodermella cerina |
close up of original infection center from intersection of Walken and Snowdrift Roads |
| 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 |
|
| 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 |
| 1473266 |
Elytroderma needle cast of pine |
Elytroderma deformans |
|
| 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 |
| 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 |
|
| 5264095 |
black spot |
Diplocarpon rosae |
|
| 5264097 |
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 |
|
| 5261080 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5262017 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5262018 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5262019 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 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 |
|
| 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 |
| 5265035 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 5265036 |
dollar spot |
Sclerotinia homoeocarpa |
|
| 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 |
| 5029065 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
Lower branches on red pine killed by Gremmeniella abietina. |
| 5029066 |
Scleroderris canker of pine and spruce |
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. |
| 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. |
| 1236074 |
brown rot |
Monilinia fructicola |
|
| 1235046 |
brown rot |
Monilinia fructicola |
|
| 5027028 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5027029 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5027030 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
|
| 5021069 |
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. |
| 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 |
| 5057098 |
Ploioderma needle cast of pine |
Ploioderma lethale |
|
| 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 |
| 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. |
| 5055014 |
larch needle cast |
Hypodermella laricis |
needle reflush |
| 5051068 |
Elytroderma needle cast of pine |
Elytroderma deformans |
|
| 5044072 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
|
| 5049031 |
Blumeriella leaf spot of cherry and plum |
Blumeriella jaapii |
|
| 5049032 |
Blumeriella leaf spot of cherry and plum |
Blumeriella jaapii |
|
| 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 |
|
| 2112093 |
pine needle cast |
Lophodermium pinastri |
damage to Scots pine plants |
| 2112098 |
Phacidium fungus |
Phacidium coniferarum |
Douglas fir killed by Phacidium coniferarum |
| 2112099 |
Ciboria fungus |
Ciboria batschiana |
apothecia on a mummified acorn |
| 2113081 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
symptoms of infested tree |
| 2113089 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
falling down needles infested by the fungus |
| 2113091 |
Phacidium fungus |
Phacidium coniferarum |
Douglas fir killed by Phacidium coniferarum |
| 2113095 |
pine needle cast |
Lophodermium pinastri |
damage to Scots pine plants (in the middle of the picture) |
| 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 |
| 2111014 |
needlecast |
Meloderma desmazieri |
damage to eastern white pine; August 2001 |
| 2111020 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
young trees of P. pungens infested by the fungus; 1999 |
| 2111022 |
pine needle cast |
Lophodermium pinastri |
fruiting bodies on needles |
| 2111023 |
pine needle cast |
Lophodermium pinastri |
damage to Scots pine plants |
| 2111024 |
pine needle cast |
Lophodermium pinastri |
damage to Scots pine plantation |
| 2110052 |
spruce needle cast |
Lophodermium piceae |
fruiting bodies on needles; December 2000 |
| 2110067 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
severely damaged young tree infested by the fungus; July 2002 |
| 2110068 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
young stand infested by the fungus |
| 2110073 |
pine needle cast |
Lophodermium pinastri |
damage to Scots pine plantation |
| 2110075 |
pine needle cast |
Lophodermium pinastri |
pycnidia on needles; March 2000 |
| 2110084 |
needlecast |
Meloderma desmazieri |
damage to eastern white pine; August 2001 |
| 2110041 |
Cenangium limb canker |
Cenangium ferruginosum |
apothecia (more or less closed) on a twig; June 2001 |
| 1248009 |
powdery mildew |
Microsphaera abbreviata |
Infection on foliage of Quercus sp, Romania |
| 1244001 |
Pan de indio |
Cyttaria darwinii |
|
| 1254068 |
powdery mildews |
|
Fort Collins, CO. |
