| Sign of Attack/ Symptom |
Control |
| Insect-pests |
|
|
Hairy caterpillar : they feed gregariously on plant foliage and soft stem. |
1. Collect and destroy the congregating caterpillars.
2. Spray 900 ml endosulfan (Thiodan 35 EC)
or 325 ml cypermethrin (Cyperkill 20 EC) in 650
L/ha water when caterpillars are of 2 mm size
(second instar larval stage)
|
| Jassid: They suck sap from underside of leaves, thus the leaves curl upwards along the tips and margins, turn yellow and dry up. |
Spray dimethoate (Rogor 30 EC) or methyl demeton (Metasystox 25 EC) @ 750 ml in 750 L water/ha. |
Diseases |
|
Leaf spot: Brown spots of different sizes appear on leaves resulting in premature defoliation. The first appearance of the disease. |
Spray the crop with Indofil Z-78 or Indofil M-45 (0.2%) at fortnightly interval with |
| Phyllody: Floral parts are malformed. Profuse branching occurs and no seed is formed. |
1. Diseased plants should be rogued out and destroyed.
2. Spray dimethoate (Rogor 30 EC) or methyl
demeton (Metasystox 25 EC) @ 750 ml in 750 L
water/ha for the control of jassids. |