Crop Protection :: Pests of
Cole crops
Cabbage aphid: Brevicoryne brassicae
Symptoms of damage:
- Yellowing
- Crinkling and cupping
- Distorted primordia
- Presence of white cast skin at the base of the plant
Identification of pest:
- Nymphs and adults yellowish green with wavy white filament over the body
Management:
- Install yellow sticky trap @12 no/ha to monitor “macropterous” adults (winged adult).
- Spray neem oil 3 % with 0.5 ml Teepol/lit
- Spray any one of the following insecticide
|
 |
 |
| Larva |
Adult |
|
Insecticide |
Dose |
| Azadirachtin 0.03% WSP (300 ppm) |
5.0 g/lit. |
| Dimethoate 30 % EC |
6.0 ml/10 lit. |
| Malathion 50 % EC |
1.5 ml/lit. |
| Phosalone 35 % EC |
1.5 ml/lit. |
| Quinalphos 25 % EC |
1.0 ml/lit. |
|
|
|
