Crop Protection :: Pests of Grapes
Mealy bug: Ferrisia virgata
Symptoms of damage
Identification of pest
- Nymph - Yellowish to pale white.
- Adult - long, slender covered with white waxy secretions
Management
- Debark vines and branches and apply methyl parathion paste
- Collect damaged bark, leaves, twigs and stems
- Use sticky traps on fruit – bearing shoots at a length of 5 cm
- Use dichlorvos 76 WSC 0.15% in combination with fish oil rosin soap (25g/lit)
- Insecticides
- Dimethoate 30 EC plus kerosene oil at 150 ml plus 250 ml in 100 ml of water
- Apply quinalphos dust in the soil at 25 kg/ ha to kill ants
- Release exotic predator, Cryptolaemus montrouzieri @ 10 beetles/vine
- Field release of parasitoids - Anagrus dactylopii, Gyanusoidea mirzai
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