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Assorted Foliar Diseases of Cucurbits

Angular leaf spot, caused by the bacterium Pseudomonas syringae pv. lachrymans, can infect all cucurbit species. Veins can limit the enlargement of spots, as illustrated here on a butternut leaf.

Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY

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Link to the Factsheet on Assorted Foliar Diseases of Cucurbits

Link to Photo Gallery of Assorted Foliar Diseases of Cucurbits