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Powdery Mildew on Cucurbits

Powdery mildew is being effectively controlled with fungicides on upper but not lower leaf surfaces in this pumpkin field.

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Link to the News Article "Guidelines  for  managing  cucurbit  powdery mildew  with  fungicides  in  2005"

Link to the Factsheet on Powdery Mildew of Cucurbits

Link to Photo Gallery of Powdery Mildew of Cucurbits