Description:

• High soil moisture and frequent rains are favourable conditions for the occurrence of this disease.

Damage Symptoms:

• Yellow, angular spots appear on the upper surface of leaves.
• The corresponding lower surface of these spots shows a purplish downy growth.
• Later, the spots turn necrotic.
• Diseased leaves become yellow and fall off.
• In severe infections, diseased plants may die.
• Fruits may not mature properly and develop a poor taste.

Preventive Measures:

• Practice crop rotation.
• Remove and destroy infected plant parts.

Control Measures:

• Spray Metalaxyl @ 0.2% or Chlorothalonil @ 0.2%.