Crop Protection :: Pests of Grapes
Mealy bug: Maconellicoccus hirsutus
Symptoms of damage
- Nymphs and adults suck the sap from leaves, shoots and fruits
- Honey dew – development of sooty mould on leaves, shoots and branches
- Crinkling and yellowing of leaves
- Rotting of berries
Identification of pest
- Nymph - pinkish in colour.
- Adult – pink colour and covered with white wax
Management
- Apply quinalphos dust in the soil @ 20 kg/ha to kill the ants.
- Spray dichlorvos 76 WSC at the rate of 1 ml/lit with fish oil rosin soap at 25 g/lit.
- Release Coccinellid beetle, Cryptolaemus montrouzieri at the rate of 10 per vine.
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Pink mealy bug |
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