Potato Whitefly
Symptoms of damage:
- Nymphs suck sap from the leaves and lower their vitality
- Yellowing and curling of leaf
- Sooty mould develops on affected leaves
Identification of pest:
- Egg: Smooth, subelliptical, stalked at broader basal end with light yellow colour when freshly laid, turn dark brown later on
- Nymph: Pale yellow in colour
- Adult: It is small winged insect having light yellow colour. Wings are pure white with prominent long legs.
Management:
- Well timed irrigation
- Avoid common solanaceous crops in the endemic areas
- Spray dimethoate 0.3%
Source-
- TamilNadu Agritech Portal
