Powdery mildew

Caused by: Erysiphe graminis
Problem Category: Fungal Disease
Symptoms: Patches of cottony, white-gray growth on upper surface of leaves which turn gray-brown; chlorotic patches develop on leaves opposite fungal growth; fungal fruiting bodies usually become visible as black dots on the mildew
Comments: Disease emergence favors heavy nitrogen fertilization; high humidity and cool temperatures
Management: Planting resistant wheat varieties is one of the best ways to protect plants from powdery mildew; other control strategies include: a, removal of crop debris from field after harvest to reduce the level of overwintering fungus; removal of volunteer wheat plants which can act as a reservoir for the disease
Control: Spray 6 litres Fermented butter milk to control the powdery midew