| Sign of attack/symptom |
Control |
| Insect- pests |
|
|
Aphids : They are black in colour and cause damage by sucking growing shoots. |
Spray 625 ml malathion (Cythion 50 EC) or 375 ml dimethoata (Rogor 30 EC) or 375 ml
methyl demeton (Metasystox 25 EC) in 375 L
water/ha as soon as the pest appears |
| White grub : It damages the roots and the plants wither gradually in the soil at sowing time in areas prone to infestation. |
Mix 2 L chloropyriphos 20 EC mixed with 25 kg of sand per ha. |
| Disease |
|
|
Tikka disease/leaf spot: Dark spots, surrounded by a bright yellow halo, appear on the leaves. Few spots also occur on the petiole and stem. Premature shedding of the leaves is the most striking feature of the disease. |
Spray the crop with Copper oxychloride or Blitox 50 (0.3%) or Indofil M-45 (0.2%) with the first appearance of disease. Repeat the sprays at 15 day interval. |