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Crop Protection :: Pests of Pomegranate


Common name: Pomegranate

S.N: Punica granatum

Family: Punicacea

Major pests

Major pests of pomegranate

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A. FRUIT BORERS
1. Anar butterfly Deudorix (Virachola) isocrates 
Symptoms of damage

  • Caterpillar bores into young fruits
  • Feeds on internal contents (pulp and seeds)
  • Fruit rotting and dropping

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Identification of the pest:
  • Larvae - dark brown, short and stout, covered with short hairs
  • Adult - bluish brown butterfly
  • Female – V shaped patch on forewing
Adult

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Management

  • Collect and destroy damaged fruits
  • Clean cultivation as weed plants serve as alternate hosts
  • Endemic areas - grow less susceptible varieties
  • Adopt ETL (5 eggs/plant)
  • Cover the fruit with polythene bags when the fruits are up to 5 cm
  • Use light trap @ 1/ ha to monitor the activity of adults
  • Insecticides: malathion 50 EC 0.1% or dimethoate 30 EC 0.06%, two rounds, one at flower formation and next at fruit set.
  • Flowering stage - spray NSKE 5% or neem formulations 2 ml/1
  • Apply dimethoate 30 EC 1.5 ml/1.
  • Release Trichogramma chilonis at one lakh/acre.

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2Fruit borer, Conogethes punctiferalis
Symptoms of damage
  • Caterpillar bores into young fruits
  • Feeds on internal contents (pulp and seeds)
  • Dry up and fall off in without ripening

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Identification of the pest
  • Larva: Pale greenish with pink tinge and fine hairs with dark head and prothoracic shield.
  • Adult: Yellowish moth with black spots on the wing and body
Adult

 

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Management

  • Collect and destroy damaged fruits
  • Clean cultivation as weed plants serve as alternate hosts
  • Use light trap @ 1/ ha to monitor the activity of adults
  • Insecticides: malathion 50 EC 0.1% or dimethoate 30 EC 0.06%, two rounds, one at flower formation and next at fruit set.

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B.SUCKING PESTS
3. Tailed mealy bug, Ferrisia virgata
Symptoms of damage   
  • Premature dropping of fruit.

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Identification of the pest
  • Nymph: Yellowish to pale white.
  • Adult: Females apterous, long, slender covered with white waxy secretions, pair wax filaments at caudal end.
Management
  • Collect and destroy the infested plant parts
  • Remove alternate hosts
  • Triozhophos 2 ml+ neem oil 5 ml/1, phosalone 35 EC 1.5 ml+ neem oil 5 ml/1.
  • Spray methyl demeton 25 EC or monoccrotophos 36 WSC 2ml/lit
  • Spray application of dichlorovas 76 WSC 1ml/lit + fish oil rosin soap 25 g/lit
  • Release Cryptolaemous montrouzieri beetles @ 10/tree.

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4. Whitefly, Siphoninus phillyreae 
Symptoms of damage
  • Nymphs and adults suck the sap from leaves
  • Honey dew - development of sooty mould fungus
  • Yellowing of leaves.
  • Dropping of affected leaves.

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Identification of the pest
  • Nymph - short glass like rods of wax along the sides of the body
  • Adult - Powdery white, active during early morning hours.
Adult - white fly

 

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Management

  • Field sanitation
  • Removal of host plants
  • Installation of yellow sticky traps
  • Spray neem oil 3% or NSKE 5%
  • Release of predators viz., Coccinellid predator, Cryptolaemus montrouzieri and  lace wing fly, Mallada astur
  • Release of parasitoids viz., Encarsia haitierrsis and E.guadeloupae

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5. AphidAphis punicae 
Symptoms of damage
  • Nymphs and adults suck the sap from leaves, shoots and fruits
  • Yellowing of leaves
  • Wilting of terminal shoots.

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Identification of the pest:
  • Pale green, winged and wingless aphids.
Aphids, Aphis punicae
              

Management

  • Collect and destroy the damaged plant parts
  • Use yellow sticky trap
  • Spray application of dimethoate 25 EC or methyl demeton 30EC at 2ml/lit for effective management this pest
  • Release first instar larva of Chrysoperla carnea @ 15 / flowering branch (four times) at 10 days interval from flower initiation during April

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