Gladiolus (Gladiolus spp)
Aphids (Aphis gossypii)
Symptoms
- They are found in groups with ants.
- Insects drink sap from the plant
- Loss of shape of leaves, flowers and stems.
- If the disease is severe, the leaves and flowers fall off.
- They produce honey dew which get infected with black mould.
Management
- Place yellow traps at the rate of 20 per hectare.
- Lecanicillium lecani should be sprayed on the plant at the rate of 20g per litre of water.
- Neem oil and garlic mixture can be sprayed on the plants (mix 20 ml neem oil +20g garlic powder +5 g bar soap in one 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 | 500 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 | 400 ml | 1000 ml |
Extremely Toxic
Highly Toxic
Moderately Toxic
