Diseases By Crop
(Fact Sheets)
Search Function
Photo Gallery
News Articles/ Disease Alerts
Diagnostic Keys
Virus Weed Hosts/ Rotation Lists
Resistant Varieties
Glossary of Plant Pathology Terms
Vegetable Guidelines
Vegetable IPM Links
Other Vegetable Links
Cornell Plant Disease Clinic
Home

     

Gummy stem blight/black rot on pumpkin/gourd fruit


Ring pattern showing black specks (pycnidia) of the black rot on pumpkin.
Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY

Large Halloween pumpkin showing the initial stages of black rot following injury.
Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY
Advanced development of black rot on surface of pumpkin.
Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY
Restricted lesions of black rot on pumpkin surface
Photo courtesy of A.F. Sherf, Cornell University, Ithaca, NY

Black rot lesions on assorted ornamental gourds (C. pepo)
Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY


Black rot infection on ornamental gourd

Photo courtesy of Cornell University, Ithaca, NY