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TOMATO :: MAJOR PESTS :: FRUIT BORER


 

 

1.FRUIT BORER: Helicoverpa armigera (Noctuidae: Lepidoptera)
 For distribution and status, host range, damage symptoms, bionomics refer cotton

Single caterpillar can destroy 2-8 fruits.

 


 

Bionomics

 

Management

  • Collect and destroy the infested fruits and grown up larvae.
  • Grow less susceptible genotypes Rupali, Roma, Pusa red plum.
  • Grow resistant cultivars like BT 1, T 32, T 27, Punjab Kesri, Punjab Chuhashu, Pant Bahar, Azad Pusa Hybrid 4
  • Grow simultaneously 40 days old African tall marigold and 25 days old tomato seedling at 1:10 rows to attract Helicoverpa adults for egg laying.
  • Set up pheromone trap with Helilure at 15/ha and change the lure once in 15 days.
  • Release  T. chilonis  6 times@ 50,000/ha per week coinciding with flowering time based on ETL.
  • Release Chrysoperla carnea at weekly interval at 50,000 eggs or grubs / ha from 30 days after planting.
  • Spray any of the following insecticides with 500 L water/ha
  • Azadirachtin 1.0% 1.0-1.5 L
  • NPV of H. armigera 0.43%  AS 400-600
  • Indoxacarb 14.5 SC 400-500 ml
  • NPV of H. armigera 2%  AS 500
  • Lambda cyhalothrin 5 EC 300 ml
  • Methomyl 40 SP 750-1125 g
  • Novaluron 10 EC 750 ml
  • Endosulfan 35 EC 1.0 L
  • Carbaryl 50 WP 1 kg
  • B. thuringiensis 1 g/lit
  • Quinalphos 1250 ml

 

  • Do not spray insecticides after maturity of fruits.
  • Encourage activity of parasitoid Eucelatoria bryani, Campoletes, Chelonus etc.,