What you will see
Discoloured areas on the top of leaves, with a white, gray or purple coating beneath.
When to look
Mainly summer and fall, especially in damp conditionsHow to protect
- Prevention
- Do not plant densely; weed so air can circulate.
- Water in the morning and avoid wetting the leaves in the evening.
- Rotate crops; soil spores survive.
- By hand as soon as it appearsPull off affected leaves and dispose of them (burying, burning, recycling center).



























