Okra / Bhindi (Abelmoschus esculentus L.)
Aphids (Aphis gossypii)
Symptoms
- Aphids damage the plants by sucking the leaf sap.
- The leaves of fully grown vines turn yellow and plant loses its vigour.
- Ants can be seen associated with the aphids.
- Aphids secrete a sticky, sugary substance called honeydew which encourages the growth of sooty mold on the plants
Management
- Use tolerant varieties if available.
- Reflective mulches such as silver colored plastic can deter aphids from feeding on plants.
- Hang yellow sticky (castor oil coated) traps@ 20 no/ha. Spray Lecanicillium lecanii (synonym Verticillium lecanii) (20 g/litre of water) or Beauveria bassiana (20 g/litre of water).
- 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 | Knapsack Sprayer (Capacity 10L) | Recommendation | Remarks | |
|---|---|---|---|---|---|---|---|---|
| Dosage/acre (200 L) | Dosage/hectare (500 L) | |||||||
| 1 | Dimethoate 30 EC | Nugor, Rogor, Tagor, Tara 909 | Yellow | 2.5 ml/litre of water | 25 ml | 250 ml | 1250 ml | - |
| 2 | Malathion 50 EC | Agromala, Agromala Malathion, Celthion, Hilmala, Kthion, Malaacid, Simala Milthion, Tagthion Malamar, Thisol | Blue | 2 ml/litre of water | 20 ml | 200 ml | 1000 ml | - |
Extremely Toxic
Highly Toxic
Moderately Toxic
