Phomopsis blight in Brinjal: Symptoms, Cause and Control

Deepali Tewari Pandey

GBPUAT, Pantnagar

 Symptoms:

• Occurs at seedling stage as well as in transplanted crop.
• Small circular spots develops in leaves,
• Turn grey later with light coloured centre.
• Pale to light brown sunken spots develop on the old fruits. Individual spots expand and coalesce to cover entire fruit or most part of the fruits.

 

Causal Organism:  It's a fungal disease caused by Phomopsis vexans.

 

Control:

• Use healthy seeds collected from healthy fruits and healthy field.
• Grow resistant varieties like Pusa Bhairav and Florida market.
• Give hot water treatment to seeds at 50⁰ C for 30 minutes.
• Seed treatment with carbendazim @ 0.25%
• At least three-year crop rotation is required with any non-host crop
• Burn infected crop residue
• Bavistin: Seed treatment (1g/kg) + seedling treatment for 30 minutes(0.05% solution)+ (0.05% solution spray at 10-15 days interval