PP280/PP280: Management of Gummy Stem Blight (Black Rot) on Cucurbits in Florida

Source: PP280/PP280: Management of Gummy Stem Blight (Black Rot) on Cucurbits in Florida Gummy stem blight (GSB) is a major disease of many cucurbits, including watermelon, cantaloupe, cucumber, pumpkin, squash, muskmelon, and other melons. The fungus Didymella bryoniae is the causal organism for this disease. Infection on watermelon and cantaloupe is commonly seen in Florida, and the […]

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Cucurbit Downy Mildew | NC State University

Cucurbit downy mildew is caused by the fungus-like oomycete pathogen Pseudoperonospora cubensis (P. cubensis). There are two types of P. cubensis isolates that can infect cucurbit crops and weeds referred to as clade 1 or clade 2 isolates. Isolates belonging to clade 1 tend to more frequently infect watermelon, pumpkin, and squash while isolates belonging […]

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