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Gummy Stem Blight/ Black Rot of Cucurbits
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pictures of Gummy stem blight / black rot of cucurbits
Foliar symptoms of gummy stem blight (Didymella bryoniae) on cantaloupe
(melon) may consist of water-soaked lesions, irregularly shaped circular
lesions or less commonly as interveinal necrotic tissue when the affected
area has dried.
Foliar lesions are far less common on pumpkin and winter squash, often
occurring on the same leaf with powdery mildew (Sphaerotheca fuliginea).
Photos courtesy of T.A. Zitter, Cornell University, Ithaca,
NY
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