Symptom

• The disease is characterized by whitish powdery growth on leaves.
• Later the fungus spreads over the entire leaf. Leaves turn yellow and dry up.

• Use resistant varieties.
• Follow field sanitation.
• Seed the crop at the recommended time.
• Spineless genotypes are more susceptible.
• Spray wettable sulphur 3 g/l or Carbendazim 0.05% for the control of the disease