Symptoms of damage:
| Aphid: Aphis gossypii | |
| Symptoms of damage: Infesting tender shoots and under surface of the leaves. Curling and crinkling of leaves Stunted growth Development of black sooty mould due to the excretion of honey dew Identification of pest: Nymphs: Yellowish or greenish brown found on the undersurface of leaves. Adults: - are greenish brown, soft bodied and small insects |
- Infesting tender shoots and under surface of the leaves.
- Curling and crinkling of leaves
- Stunted growth
- Development of black sooty mould due to the excretion of honey dew
Identification of pest:
- Nymphs: Yellowish or greenish brown found on the undersurface of leaves.
- Adults: - are greenish brown, soft bodied and small insects
Management:
| Management: Spray any one of the following insecticides (500 l spray fluid/ha) Acetamiprid 20 SP 1.5g/10l. Tolfenpyrad 15EC 2.0/l. Imidacloprid 200 SL at 100 ml/ha Methyl demeton 25 EC 500 ml/ha NSKE 5% Monitoring the activities of the alate adult by setting up yellow sticky traps |
- Spray any one of the following insecticides (500 l spray fluid/ha)
- Monitoring the activities of the alate adult by setting up yellow sticky traps
- Acetamiprid 20 SP 1.5g/10l.
- Tolfenpyrad 15EC 2.0/l.
- Imidacloprid 200 SL at 100 ml/ha
- Methyl demeton 25 EC 500 ml/ha
- NSKE 5%