Cultural management

  • Plough the soil to expose and kill the pupae
  • Grow castor along border and irrigation channel as trap crop
  • Flood the field to drive out the hibernating larvae
  • Set up light trap @1/ha and Pheromone traps  @ 15/ ha to attract male moths
  • Collect and destroy egg masses in castor and tomato
  • Hand pick grown up larvae and kill them
  • Spray Sl NPV @ 1.5x1012 POBs/ha + 2.5 Kg crude sugar + 0.1 % teepol
  • Poison bait: Rice bran 5 Kg + Molasses or Brown sugar 500g + Carbaryl 50 WP 500g + 3 lit of water/ ha, mix the ingredients well – Broadcast in the field in the evening hours