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Agritech Archive

Production · Protection · Nutrients · Water
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Fruit borer, Heterographis bengalella

Symptoms of damage
Caterpillar bore into the fruits and make tunnel inside Feed on the internal content of the fruits Affected fruits fall to ground
Symptoms of damage
Maggot bore into the semi ripened fruits Feed on the inside fruits Affected fruits – shriveled, malformed, rot and fall off
Symptoms of damage
Adults and crawlers – setting on leaves, young shoots and fruit (between segments) Yellowing of leaves Reduction of fruit size and do not fetch premium price in the market
  • Caterpillar bore into the fruits and make tunnel inside
  • Feed on the internal content of the fruits
  • Affected fruits fall to ground
Identification of pest
Black coloured caterpillar
  • Black coloured caterpillar
Management
Collect and destroy the damaged fruits Spray endosulfan 0.07% or malathion 0.1% two times once at flower formation and second at fruit set
Management
Collect and destroy the mealy bug infested leaves, shoots and fruits Spray dichlorvos 0.05%, two times at new flush and shoot formation and second at fruit set. Release Cryptolaemous montrouzieri beetles @ 10/tree.
  • Collect and destroy the damaged fruits
  • Spray endosulfan 0.07% or malathion 0.1% two times once at flower formation and second at fruit set

Fruit fly, Bactrocera zonata

  • Maggot bore into the semi ripened fruits
  • Feed on the inside fruits
  • Affected fruits – shriveled, malformed, rot and fall off
  • Larva - Yellowish apodous maggots.
  • Adult - Light brown with transparent wing
  • Collect fallen infested fruits and dispose them by dumping in a pit and covering with soil.
  • Provide summer ploughing to expose the pupa
  • Immersion of fruits in hot water (45 to 470 C) for 60 minutes to kill eggs and maggots
  • Monitor the activity of flies with methyl eugenol sex lure traps.
  • Use bait spray combing any one of the insecticides and molasses or jaggery 10 g/l, fenthion 100EC 1ml/l, malathion 50EC 2 ml/l, dimethoate 30 EC 1 ml/l, carbaryl 50 WP 4 g/l.
  • fenthion 100EC 1ml/l,
  • malathion 50EC 2 ml/l,
  • dimethoate 30 EC 1 ml/l,
  • carbaryl 50 WP 4 g/l.

two rounds at 2 weeks interval before ripening of fruits.

  • Prepare bait with methyl eugenol 1% solution mixed with malathion 0.1%.
  • Take 10 ml of this mixture per trap and keep them in 25 different places in one hectare.
  • Spray malathion 50 EC at 0.1% or fenthion 100 EC at 1ml/lit
  • Field release of natural enemies Opius compensates and Spalangia philippines

Tailed mealy bug , Ferrisa virgata

  • Adults and crawlers – setting on leaves, young shoots and fruit (between segments)
  • Yellowing of leaves
  • Reduction of fruit size and do not fetch premium price in the market
  • Nymph: Yellowish to pale white.
  • Adult : Females apterous, long, slender covered with white waxy secretions
  • Collect and destroy the mealy bug infested leaves, shoots and fruits
  • Spray dichlorvos 0.05%, two times at new flush and shoot formation and second at fruit set.
  • Release Cryptolaemous montrouzieri beetles @ 10/tree.