Cultural management

  • Avoid the use of excessive nitrogenous fertilizers.
  • Use resistant varieties like CO 975, COJ 46 and CO 7304.
  • Select pest free setts for planting.
  • Collect and destroy the eggs periodically.
  • Detrash the crop on 150th and 210th day of planting which helps to dislodge the pupae that remain in the leaf sheath.
  • Install pheromone traps @ 10Nos. /ha for surveillance and monitoring, change the septa or lure once in 45 days.
  • Release egg parasitoid, Trichogramma chilonis @ 2.5 cc / release / ha. Six release at fortnightly intervals starting from 4th month onwards.