John Hartman's Images
Organization: University of KentuckyCountry: United States
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Foliage Diseases(X)
| 20 Images of 13 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 5407846 | leaf spot | Ceratobasidium stevensii | Rhizomorphs and sclerotia of Corticium stevensii on apple fruit |
| 5407847 | leaf spot | Ceratobasidium stevensii | Mid-branch blighting of apples leaves due to thread blight |
| 5407848 | leaf spot | Ceratobasidium stevensii | Blighting of leaves on several apple branches due to Corticium stevensii (thread blight) |
| 5407849 | leaf spot | Ceratobasidium stevensii | Close-up of rhizomorphs and sclerotia of Corticium stevensii on apple branch |
| 5427716 | Marssonina leaf spots | Marssonina spp. | Marssonina leaf spot symptoms on bittersweet leaf |
| 5407845 | sooty blotch | Gloeodes pomigena | Sooty blotch (Gloeodes promigena) and flyspeck (Schizothirium pomi) on unsprayed fruit |
| 5427709 | Alternaria blight | Alternaria zinniae | Small reddish brown spots with grayish centers typical of Alternaria leaf blight on zinnia |
| 5430471 | ash anthracnose | Gnomoniella fraxini | Close-up of ash foliage showing necrosis due to anthracnose. |
| 5424386 | leaf and flower gall | Exobasidium vaccinii | Leaf or flower parts become infected and galls form. |
| 5424387 | leaf and flower gall | Exobasidium vaccinii | Leaf or flower parts become infected and galls form. |
| 5430479 | dogwood anthracnose | Discula destructiva | Foliar symptoms of dogwood anthracnose. |
| 5430482 | powdery mildew | Erysiphe pulchra | Powdery mildew fungal growth on the foliage of dogwood leaves and shoot. |
| 5427720 | leaf spot | Ceratobasidium stevensii | Rhizomorphs and sclerotia of the thread blight organism on a cotoneaster branch. |
| 5427735 | Pyracantha scab | Spilocaea pyracanthae | Symptoms and signs of scab on pyracantha fruit |
| 5427738 | black spot | Diplocarpon rosae | Circular black spots with feathery margins and yellowing typical of black spot of rose |
| 5424444 | black spot | Diplocarpon rosae | Leaves with feathery black spots of similar size with surrounding tissue turning yellow/brown. |
| 5424445 | black spot | Diplocarpon rosae | Leaves with feathery black spots of varying size, some with surrounding tissue turning yellow others not. |
| 5407861 | downy mildew | Plasmopara viticola | Downy fungal growth on the underside of grape leaves infected with Plasmopara viticoloa |
| 5407873 | anthracnose | Elsinoe veneta | Small roundish anthracnose lesions on young raspberry cane |
| 5407876 | anthracnose | Colletotrichum acutatum | Ripening strawberry fruit showing the firm, sunken lesions typical of anthracnose fruit rot disease caused by Colletotrichum acutatum |
