Powdery Mildew of Cucurbits
Podosphaera xanthii
Cucurbitsfungal
A common fungal disease that coats leaves and stems in white powdery growth, reducing yield.
Symptoms
White, powdery fungal patches on leaves and stems, reducing yield and fruit quality in untreated crops.
Favorable conditions
- •Warm, dry days with high humidity at night
- •Dense canopy
Management
- 1Rotate sulfur or systemic fungicides
- 2Plant resistant varieties
- 3Avoid excess nitrogen
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