| Image |
Descriptor |
Description |
Photographer |
| 5368351 |
Asexual Spore |
Stained, asexual spores of the fungal anamorph, Phoma cucurbitacearum. |
Paul Bachi |
| 5369018 |
Asexual Spore |
Asexual spores of the fungal anamorph, Phoma cucurbitacearum. |
Paul Bachi |
| 5368887 |
Sign |
Asexual spore-producing structures "pycnidia" with spores oozing out, seen in infected tissue. |
Paul Bachi |
| 5369017 |
Sign |
Conidia enbedded in infected leaf tissue under darkfield observation. |
Paul Bachi |
| 5369019 |
Symptoms |
Dark brown leaf spots often with concentric rings. |
Paul Bachi |
| 5369020 |
Symptoms |
Close-up of dark brown leaf spot with concentric rings.
|
Paul Bachi |
| 5368857 |
Symptoms |
Dark brown leaf spots often with concentric rings. |
Paul Bachi |
| 5368858 |
Symptoms |
Close-up of leaf spots with concentric rings. |
Paul Bachi |
| 5368859 |
Symptoms |
Close-up of leaf spots with concentric rings. Spots often occur along margins of leaves. |
Paul Bachi |
| 5368860 |
Symptoms |
Earlier stage of leaf spot development before all infected tissue turns dark brown. |
Paul Bachi |
| 1234093 |
Symptoms |
to leaf |
Clemson University - USDA Cooperative Extension Slide Series |
| 1234191 |
Symptoms |
|
Clemson University - USDA Cooperative Extension Slide Series |
| 1234192 |
Symptoms |
|
Clemson University - USDA Cooperative Extension Slide Series |
| 1436112 |
Symptoms |
to leaf |
Clemson University - USDA Cooperative Extension Slide Series |
| 1436113 |
Symptoms |
to stem |
Clemson University - USDA Cooperative Extension Slide Series |
| 1436116 |
Symptoms |
to fruit |
Clemson University - USDA Cooperative Extension Slide Series |
| 1436117 |
Symptoms |
to leaf |
Clemson University - USDA Cooperative Extension Slide Series |
| 1563054 |
Symptoms |
The anamorph, Phoma cucurbitacearum, occurs in the field in North Carolina. Notice yellowing of the center of the rows. |
Charles Averre |
| 1563055 |
Symptoms |
The anamorph, Phoma cucurbitacearum, occurs in the field in North Carolina. Typical folliar symptoms. Wilted leaves are due dry soil. |
Charles Averre |
| 1563056 |
Symptoms |
The anamorph, Phoma cucurbitacearum, occurs in the field in North Carolina. Typical, early folliar symptoms. Notice necrosis on leaf margins |
Charles Averre |
| 1563057 |
Symptoms |
The anamorph, Phoma cucurbitacearum, occurs in the field in North Carolina. Late folliar symptoms. Notice marginal necrosis. |
Charles Averre |
| 1563058 |
Symptoms |
The anamorph, Phoma cucurbitacearum, occurs in the field in North Carolina. Late folliar symptoms. Notice marginal necrosis. |
Charles Averre |
| 1563059 |
Symptoms |
The anamorph, Phoma cucurbitacearum, occurs in the field in North Carolina. Close up of late folliar symptoms. |
Charles Averre |
| 1563061 |
Symptoms |
The anamorph, Phoma cucurbitacearum, occurs in North Carolina. Close up of foliar lesion showing black pycnidia embedded in necrotic tissue on adaxial surface. |
Charles Averre |
| 1563062 |
Symptoms |
The anamorph, Phoma cucurbitacearum, occurs in North Carolina. Close up of foliar lesion showing black pycnidia embedded in necrotic tissue on adaxial surface. |
Charles Averre |
| 1563063 |
Symptoms |
The anamorph, Phoma cucurbitacearum, occurs in North Carolina. Close up of foliar lesion showing black pycnidia embedded in necrotic tissue on adaxial surface. |
Charles Averre |
| 5077012 |
Symptoms |
Gummy Stem Blight on Watermelon (Didymella bryoniae); Stems show dark, water-soaked lesions often containing black, "pimple-like" fruiting structures. |
David B. Langston |
| 5077021 |
Symptoms |
Gummy Stem Blight on Watermelon (Didymella bryoniae); Brown to black lesions that sometimes contain concentric rings. Black "pycnidia" can be observed with hand lens. Lesions appear water- soaked or ashy. |
David B. Langston |
