Anthracnose (Colletotrichum sp. and Glomerella sp)

Symptoms

• Cause dark, sunken lesions on leaves, stems, and flowers.
• Leaves are mostly attacked.
• Leaf tips turn brown beginning at the apex, proceeding towards the base.
• Dark brown or light gray patches develop.
• Concentric rings or as numerous dark bands across the leaf are seen.
• Flowers develop watery, black or brown pustules which are usually raised and occur on the underside of older sepals and petals.

Management

• Adopt field sanitation, good air movement, and lower temperatures (if possible) and increased light to reduce the spread of this disease.

Chemical Control