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How to control leaf eating caterpillar in vineyard?
Hello Dear Farmers,
Current climate change and increased Temperature is a growth factor for leaf-eating caterpillars and the incidence of caterpillars is increasing in a large extent. We will know about such problem in this post.
Life Cycle
Adult caterpillar moths are yellowish brown in colour and English (V) shaped with brown spots on the forewing and dark lines on the white hindwing. Initially, the caterpillar lays 400 to 500 eggs on the underside of the leaf. Eggs are yellowish in colour. Eggs hatch in 4-5 days. Larvae are greenish-brown in colour with thick gray lines or stripes. The cocoons stage is completed in the soil.
Damage Symptoms
After hatching, the larvae begin to feed on the leaves. If the infestation is high, larva eats whole leaf and leaves become papery.
The following sprays can be used to control larva.
Dosage :- For 200 litres of water
Emamectin Benzoate
5% SG
(Proclaim) :- 100 gm
OR
Spinetoram
11.7% SC
(Delegate) :- 120 ml
OR
Imidacloprid 40% +
Fipronil 40% WDG
(Lesenta) :- 40 gm
OR
Dr. Bactos
Bacithrow
4K :- 250 gm
The above insecticides should be sprayed alternately.
Drenching :-
Dosage :- Per acre
1) Dr. Bactos V.B.M. 4K :- 1 kg/ acre
