Chenthal disease / leaf blight – Colletotrichum gloeosporioides

Symptom

• Elongated, water soaked lesions of varying size appear on the upper surface of the leaf.
• The spots becomes brown to dark with pale yellow hole. Leaves wither and pseudo stem wilts.
• New shoots which develop are reduced in size. Flowers fail to develop.
• The inflorescence dry up stating from tip downwards. The affected garden shows burnt appearance.

Management

• Removal and destruction of affected leaves
• Three sprays with carbendazim 0.1% (or) Mancozab 0.2% (or) copper oxychloride 0.25% at 30 days interval.