Okra: Shoot and fruit borer


žDistribution and status: Pakistan, India, Sri Lanka, Bangladesh, Myanmar, Indonesia, New Guinea and Fiji. More abundant in South India than North India.

žHost range: Oligophagus, cotton, bhendi, hibiscus, holly hock and other malvaceous vegetables.

Damage symptoms:

žLarva bores into tender terminal shoots in the vegetative stage and flower buds, flowers and young fruits in the fruit formation stage.

žThe damaged shoots droop, wither and dry up.

žThe infested fruits present a deformed appearance and become unfit for consumption. Bore holes – plugged with excreta.


žEgg period: 3-5 days. 385-400 eggs / female.

žSpherical, light bluish, green, crown shaped, laid singly on shoot tips, buds, flowers and fruits.

žLarva: 10-17 days.

žSix instars.: Pupa: 6-10 days.

žPupates in an inverted boat shaped cocoon.


žGrow resistant cultivars like AE 57, PMS 8, Parkins Long green, PKX 9275, Karnual Special

žCollect and destroy infested shoots, buds, flowers and fruits.

žRemove the alternate hosts like Hibiscus cannabinus, H. abelmoschus and Abutilon indicum in the cropped area.

žRelease egg parasitoid T. chilonis and larval parasitoid Chelonus blackburnii.

žRelease first instar larvae of Chrysoperla carnea @ 1 lakh/ha.

žSet up light traps to monitor the moths and their egg laying @ 12/ha žSet up pheromone traps @ 5/ha.

žSpray B.t formulation such as dipel @ 2 g / lit.

žSpray carbaryl 50% WP 1 kg or endosulfan 35 EC or monocrotophos 36 WSC 1.0 L or NSKE 5% or Azadirachtin 5% 400 ml or Fenpropathrin 30 EC 250-340 ml or Pyridalyl 10 EC 500-750 ml with 500 L – 700 L water/ha.

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