Black aphid: Toxoptera aurantii
Brown aphid: Toxoptera citricida
Symptoms of damage:
- Feed on tender foliage and flowers
- Transmit tristeza virus disease.
- Nymphs and adults suck the sap of leaves
- Wilting and flower dropping
- Infested leaves appear cup shaped and crinkled
- Growth of the plants is hindered
Management:
- Use yellow sticky trap
- Spray with methyl demeton (Metasystox) or dimethoate (Rogar) 2ml /lit
- Use some concinellid beetles and syrphid flies
Source-
- TamilNadu Agritech Portal
