Field diagnostic symptoms

.

Identification of insect pests

Larva Pupa Adult

Management

• Application of nuclear polyhedrosis virus (NPV) at 3 x 1012 POB /ha in evening hours at 7 and 12 weeks after sowing.
• Set up sex pheromone traps at 12/ha.
• Conservation and augmentation of natural predators and parasitoids.
• Release of egg parasitioid, Trichogramma chilonis at 6.25 cc/ha