Cotton Thrips: Thrips tabaci
Symptom of damage:
- Shrivelling of leaves due to scrapping of epidermis and de-sapping
- Attacked terminal buds have ragged edges
- Silvery shine on the undersurface of leaves
Identification of the pest:
- Nymphs – Very minute, slender, yellowish and microscopic
- Adult – Small, slender, yellowish to brown with fringed wings
Management:
- ETL: 50 nymphs or adults/50 leaves
- Seed treatment with imidacloprid 70 WS 7g/kg protect the crop from aphids, leafhoppers and thrip sup to 8 weeks
- Spray any one of the following insecticides (500 l spray fluid/ha)
- Imidacloprid 200 SL @100 ml
- Methyl demeton 25 EC 500ml/ha
- Dimethoate 30 EC 500ml/ha
- NSKE 5% @ 2 kg/ha.
Source-
- TamilNadu Agritech Portal