Rose (Rosa rubiginosa)
Gram caterpillar (Helicoverpa armigera Hub)
Symptoms
- Young larva bores into bud and eats the internal content.
- Feed by thrusting the head inside the bud leaving the rest of its body outside.
- Flowers with perforated petals are seen.
Management
- Hand picking of caterpillars.
Chemical Control
| Sl.No | Generic Name | Trade Name | Color code | Dosage/litre | Knapsack Sprayer (Capacity 10L) | Recommendation | Remarks | |
|---|---|---|---|---|---|---|---|---|
| Dosage/acre (200 L) | Dosage/hectare (500 L) | |||||||
| 1 | Chlorpyriphos 20 EC | Chlorban, Classic-20, Coroban, Dhanvan, Durmet, Dursban, Hilban, Krishan, Radar, Starban, Tafaban, Tagban, Tricel | Yellow | 2 ml/ litre of water | 20 ml | 400 ml | 1 liter | Soil drenching |
Extremely Toxic
Highly Toxic
Moderately Toxic
