Description:

• Warm and humid conditions are favourable for the occurrence of this disease.

Damage Symptoms:

• Small, brown spots with a yellow halo appear on the leaf.
• As the disease progresses, spots coalesce, and the leaves fall off.
• In case of severe infection, the plant's photosynthetic area is reduced.

Preventive Measures:

• Practice crop rotation.
• Maintain proper spacing between plants.

Control Measures:

• Spray Mancozeb at 2 g/l.