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TNAU Agritech Portal :: Crop Protection
Shoot and fruit borer: Leucinodes orbonalis

Symptoms of damage:

  • Withering of terminal shoots/dead hearts
  • Bore holes on shoots and fruits plugged with excreta
  • Shedding of flower buds
  • Withering and drying of leaves
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Identification of pest:

  • Eggs:  Creamy white eggs
  • Larva:  Pink in colour
  • Pupa: Greyish boat shaped cocoon
  • Adult: Medium sized moth. Forewings has black and brown patches and dots on white colour, hind wings are opaescent with black dots
 
Management:
  • Remove the affected terminal shoot showing boreholes.
  • Remove the affected fruits and destroy.
  • Avoid continuous cropping of brinjal crop
  • Grow the varieties with long and narrow fruits in endemic areas
  • Install pheromone trap@12/ha
  • Encourage the activity of larval parasitoids: Pristomerus testaceus, Cremastus flavoorbitalis
  • Avoid use of synthetic pyrethroids
  • Avoid using insecticides at the time of fruit maturation and harvest
  • Neem seed kernel extract (NSKE) 5 % or
  • Spray Neem Seed Kernel Extract 5 % or any one of the following chemicals starting from one month after planting at 15 days interval
Insecticide Dose
Azadirachtin 1.0% EC (10000 ppm) 3.0  ml/lit.
Azadirachtin 0.03 % WSP (300 ppm) 5.0  g/lit.
Dimethoate 30 % EC 7.0  ml/10 lit.
Emamectin benzoate 5 % SG 4 g/10 lit.
Flubendiamide 20 WDG 7.5 g/10 lit.
Phosalone 35 % EC 1.5  ml/lit.
Quinalphos 20 % EC 1.7 ml/lit.
Quinalphos 25 % EC 1.5 ml/lit.
Thiodicarb 75 % WP 2.0 g/lit.
Updated on October, 2022

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