Agricultural crops :: Oilseeds :: Groundnut
Bud necrosis: Peanut bud necrosis virus (PBNV)
| Symptom |
-
Chlorotic spots appear on young leaflets and necrotic rings and streaks are developed.
-
Terminal bud necrosis occurs when temperature is relatively high.
-
As the plant matures it becomes stunted with short internodes and proliferation of auxiliary shoots.
-
The virus is mainly transmitted by thrips.
Management
- AVP are extracted as follows: Sorghum or coconut leaves collected, dried, cut into small bits and powdered to one kg of leaf powder two litres of water is added and heated to 60°C for one hour. It is then filtered through muslin cloth and diluted to 10 litres and sprayed. To cover one ha 500 litre of fluid will be required. Two sprays at 10 and 20 days after sowing will be needed.
|
|
|
