Ragi (Eleusine coracana)
Mosaic (Potyvirus)
Vector: Cicadulina bipuntella, C. chinai
Symptoms
- Irregular light and dark green or yellow patches or streaks on the leaf and floral parts.
- Initial symptoms appear in funnel leaves as small sparse chlorotic specks.
- Later the specks coalesce leading to short streaks.
- Yellowing of plants in severe infection.
- Failure of earhead emergence with sparse grains is noticed during initial and late infection.
Chemical Control
| Sl.No | Generic Name | Trade Name | Color code | Dosage/litre | Knapsack Sprayer (Capacity 10L) | Dosage/acre (200 L) | Dosage/hectare (500 L) |
|---|---|---|---|---|---|---|---|
| 1 | Dimethoate 30 EC | Nugor, Rogor, Tagor, Tara 909 | Yellow | 1.5 ml/1 litre of water | 15 ml | 300 ml | 750 ml |

Extremely Toxic

Highly Toxic

Moderately Toxic

