Managing Gummy Stem Blight in Watermelon | VSCNews

Gummy stem blight (GSB), also known as black rot, is a common issue for watermelon producers in the Southeast. Didymella bryoniae, the fungus that causes GSB, favors warm and humid weather, leaving the Southeast growing region susceptible to the disease’s devastating effects. If not managed well, it can cause significant yield loss for growers.

Currently labeled chemicals for watermelons and other cucurbits in Florida can be found in the Vegetable Production Handbook for Florida.

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