Powdery mildew grows well in environments with high humidity and moderate temperatures and can be problematic on crops in the Northeast. Cucurbit crops face powdery mildew and often downy mildew on a yearly basis and significant yields losses have been reported. The family of cucurbits is an important part of the diversified crop mix of a typical commercial vegetable farm in Vermont and throughout the Northeast. Growers have been using cultural practices, fungicides, and multiple plantings to mitigate crop loss from powdery mildew, however, the impact of the disease is seasonally dependent and still represents a consistent loss.


Vermont, University of Vermont

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