Amaranthus (Amaranthus spp.)
Amaranthus weevil (Hypolixus truncatulus)
Symptoms
- Irregular zig-zag tunnels can be seen in the stem.
- These tunnels will be filled with excreta.
- Gall like thickening and longitudinal splitting of stem is also noticed.
- The attack results in suppression of root and leaf production.
Management
- Destroy wild amaranthus plants growing nearby.
- Collect and destroy affected plant parts along with grubs and adults.
- Set up light trap @1 /ha to attract and kill the adults.
- Spray neem garlic emulsion (20 ml neem oil + 20 gram garlic paste+ 5 gram bar soap/litre of water).
Chemical Control
| Sl.No | Generic Name | Trade Name | Color code | Dosage/litre | Recommendation | Remarks | |
|---|---|---|---|---|---|---|---|
| Dosage/acre (200 L) | Dosage/hectare (500 L) | ||||||
| 1 | Malathion 50 EC | Agromala, Agromala Malathion, Celthion, Hilmala, Kthion, Malaacid, Simala, Milthion, Tagthion, Malamar, Thisol | Blue | 2 ml/ litre of water | 400 ml | 1000 ml | - |
Extremely Toxic
Highly Toxic
Moderately Toxic
