Symptoms of damage
- The caterpillar remains the soil at a depth of 2-4 inches.
- The caterpillars cut the tender plants at the base, and branches or stems of growing plants.
- The caterpillars drag the cut parts into soil for feeding.
- The buried stem or branches is almost the sure index of the place where the caterpillar is hiding
- Eggs - are laid on earth clods, chickpea stem bases and on both sides of leaves.
- Larva - is dark brown with red head.
- Pupa -Pupation takes place in earthen cocoon.
- Adult- moth are brownish with numerous wavy lines and spots, measuring 3 to 5 cm across wings
Management
- Deep summer ploughing.
- Use well decomposed organic manure.
- Adapt crop rotation.
- Early sowing in the last week of October.
- Intercropping with wheat or Linseed or Mustard reduces infestation.
- In the early stages pick the insects and destroy.
- Do not grow Tomato or Lady Finger in near by field.
- Grow marigold on bunds
- The adult insects can be controlled by light traps
- Spray insecticides like quinalphos 25 EC @ 1000 ml/ha
- In case of severe infestation . Profenophos 50 EC @ 1500 ml/ha.
- Dilute the above in 500 - 600 liters water and spray.