Symptoms of damage:

• Infests crop from 2 days to 3 weeks after emergence.
• Maggots feed on young growing shoots causing dead heart

Identification of pest:

• Eggs white, elongated, looks like a rice grain.
• Yellowish maggots.
• Pupa dark brown, barrel-shaped.
• Adult, small grey coloured

Management:

• Seed treatment with imidacloprid 70 WS 10 g/kg or imidacloprid 600 FS @ 6 ml/kg or thiamethoxam 70 WS @ 3.5 ml/kg.
• Remove and destroy stubbles
• Spray methyl demeton 25EC 1000 ml/ha or dimethoate 30EC 1155 ml/ha
• Set up fish meal trap @ 12 nos./ha till up to one month.

    
Maggot                               Adult