GREEN GRAM ::MAJOR DISEASE :: LEAF CURL / NECROSIS

Leaf curl / Necrosis - Groundnut bud necrosis virus
Symptoms
            Upward cupping and curling of leaves with vein clearing. Infected leaves are brittle and sometimes show vein necrosis on the under surface of the leaves, extends to the petiole. Plants affected in the early stages of growth develop top necrosis and die. Plant may produce a few small and malformed pods.
Pathogen
    Caused by groundnut bud necrosis virus
Disease Cycle
The virus is transmitted by thrips viz., Frankliniella schultzii, Thrips tabaci and Scirtothrips dorsalis. The virus survives in weed hosts, tomato, petunia and Chilli.
Management

• Rogue out infected plants up to 30 days after sowing.
• Remove the weed hosts which harbour virus and thrips.
• Spray Imidachlor at 500 ml/ha on 30 and 45 days after sowing.