Grapes
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Early instar larvae web the flower buds Matured larvae attack bunch of fruit Caterpillar bore into green berry fruit and tunneling Feeds on internal content Affected berries – known as “stung berries” Identification of pest Larva - Small, pale green or pink wi
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 c
Premature dropping of fruit. Premature dropping of fruit. 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 bar
Presence of silvery white scorchy patches on the leaves. Veins without fruits Premature fruit drop Identification of pest Nymphs - yellowish brown colour and red colour abdomen Adult - black brownish abdomen and yellowish wings Management Collect and destroy d
Symptoms of damage Caused two type of damages Larvae and adults feed on the upper and lower leaf surfaces – leaf injury Adult feed on swollen grape buds Chew holes in the sides of the newly developing grape buds Small holes on tender leaves by adult Root damag
Remove loose bark at the time of pruning to prevent egg laying