Paddy Pests
Earhead Bug
Symptoms
- Nymphs and adults suck the sap from individual grains, which are in milky stage.
- Individual grains become chaffy
- Black spots on the grains at the site of feeding puncture.
- Buggy odour in rice field during milky stage
Identification
- Egg: Circular, brownish seed like 2mm long laid in clusters in two rows along the midrib on the upper surface of the leaf blade
- Nymph: First instar is small, 2mm long, pale green in colour which grows to dark green through different instars
- Adult: Greenish yellow, long and slender, above ½ inch in length with a characteristic buggy odour
Management
ETL: 5 bugs/100 earheads at flowering and 16 bugs/100 earheads from milky stage to grain maturity
- KKM 10 D (KKM dust formulation consists of 10% of Acorus calamus rhizome powder and 90% of fly ash which is a waste product from Thermal Power Station)
- Neem seed kernel extract 5% 10 kg/ac
- Notchi or Ipomoea or Prosopis leaf extract 10%
- Spray any following insecticides
|
Insecticides |
Dosage |
|---|---|
|
250ml/acre |
|
|
500ml/acre |
