Thrips: Thrips simplex
| Thrips: Thrips simplex Symptom of damage Deformities and discolouration of lily flowers and corms (bulbs) Attacked- buds and flowers remain closed or open irregularly. Infested surfaces show unnatural glistening in whitish grey colour. Identification of the pest Egg - opaque white, smooth and bean shaped, deposited in the leaf tissue and corms. Adult - milky-white, which later turn brown Wings have a light transverse band near the base. Management Storing of infested corms at 20c for 6 weeks. Hot water treatment - 460c completely kills thrips on corms. Spray acephate 0.1% 2-3 times at 10 days interval. Spray malathion 1ml (or) carbaryl 50 WP 2g /lit of water before the bud initiation. |
Symptom of damage
- Deformities and discolouration of lily flowers and corms (bulbs)
- Attacked- buds and flowers remain closed or open irregularly.
- Infested surfaces show unnatural glistening in whitish grey colour.
Identification of the pest
- Egg - opaque white, smooth and bean shaped, deposited in the leaf tissue and corms.
- Adult - milky-white, which later turn brown
- Wings have a light transverse band near the base.
Management
- Storing of infested corms at 20c for 6 weeks.
- Hot water treatment - 460c completely kills thrips on corms.
- Spray acephate 0.1% 2-3 times at 10 days interval.
- Spray malathion 1ml (or) carbaryl 50 WP 2g /lit of water before the bud initiation.