| 5461622 |
|
Uncinula sp. |
Asci with spores |
| 5461624 |
|
Uncinula sp. |
Asci |
| 5461625 |
|
Uncinula sp. |
Asci with spores |
| 5461626 |
|
Uncinula sp. |
cleistothecium with appendages |
| 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 |
| 5485069 |
Entomosporium leaf spot |
Diplocarpon mespili |
Conidia |
| 5461627 |
|
Uncinula sp. |
|
| 5488218 |
powdery mildew |
Podosphaera macularis |
Conidium with fibrosin bodies evident |
| 5488217 |
powdery mildew |
Podosphaera macularis |
Conidia in chains |
| 5485070 |
Entomosporium leaf spot |
Diplocarpon mespili |
Leaf spots |
| 5485071 |
Entomosporium leaf spot |
Diplocarpon mespili |
Leaf spots |
| 5264096 |
black spot |
Diplocarpon rosae |
|
| 5458599 |
Ploioderma needle cast of pine |
Ploioderma lethale |
Ploioderma needlecast fruiting structure in mid-June in upstate New York. |
| 5459272 |
powdery mildew |
Erysiphe spp. |
Infected leaves, upper side, with mycelium evident |
| 5459271 |
powdery mildew |
Erysiphe spp. |
Infected leaves, lower side, with mycelium evident |
| 5459268 |
powdery mildew |
Erysiphe spp. |
Ruptured chasmothecium with two asci emerging(one empty) |
| 5459267 |
powdery mildew |
Erysiphe spp. |
Ruptured chasmothecium with ascus emerging |
| 1436149 |
camellia flower blight |
Ciborinia camelliae |
apothecium |
| 1233034 |
black spot |
Diplocarpon rosae |
|
| 1436148 |
camellia flower blight |
Ciborinia camelliae |
confined to flower petals |
| 1436158 |
powdery mildew |
Podosphaera spp. |
|
| 5427738 |
black spot |
Diplocarpon rosae |
Circular black spots with feathery margins and yellowing typical of black spot of rose |
| 5388315 |
black spot |
Diplocarpon rosae |
Black spot is on these leaves. |
| 1234133 |
black spot |
Diplocarpon rosae |
|
| 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 |
| 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 |
|
| 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 |
|
| 5393424 |
black spot |
Diplocarpon rosae |
|
| 5393419 |
powdery mildew |
Oidium murrayae |
|
| 5390063 |
black spot |
Diplocarpon rosae |
apothecium, asci, ascospores |
| 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. |
|
| 1525687 |
powdery mildew |
Erysiphe spp. |
|
| 1525688 |
powdery mildew |
Erysiphe spp. |
|
| 5337063 |
powdery mildew |
Oidium spp. |
on rhododendron |
| 5337067 |
black spot |
Diplocarpon rosae |
|
| 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 |
| 1436155 |
black spot |
Diplocarpon rosae |
|
| 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. |
| 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. |
| 5373643 |
camellia flower blight |
Ciborinia camelliae |
|
| 5373642 |
camellia flower blight |
Ciborinia camelliae |
|
| 5373638 |
camellia flower blight |
Ciborinia camelliae |
|
| 5373639 |
camellia flower blight |
Ciborinia camelliae |
|
| 5373636 |
camellia flower blight |
Ciborinia camelliae |
|
| 5373637 |
camellia flower blight |
Ciborinia camelliae |
|
| 5373037 |
powdery mildew |
Oidium spp. |
|
| 5373038 |
powdery mildew |
Oidium spp. |
|
| 5372927 |
powdery mildew |
Microsphaera penicillata |
|
| 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. |
| 5366797 |
powdery mildew |
Erysiphe syringae |
Lilac leaves showing signs of infection with powdery mildew (Microsphaera syringae). |
| 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 |
|
| 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 |
|
| 5220092 |
black spot |
Diplocarpon rosae |
|
| 5220093 |
black spot |
Diplocarpon rosae |
|
| 5220094 |
black spot |
Diplocarpon rosae |
|
| 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 |
|
| 5026056 |
black spot |
Diplocarpon rosae |
conidia |
| 5027009 |
powdery mildew |
Podosphaera pannosa |
|
| 1361145 |
powdery mildews |
|
The fungus covers the leaf surface giving the typical powdery appearance. |
| 1254068 |
powdery mildews |
|
Fort Collins, CO. |
| 1234132 |
powdery mildew |
Podosphaera pannosa |
|
| 1233035 |
black spot |
Diplocarpon rosae |
|
