| Symptom |
Control |
| Brown spot : The disease appears at the flowering time. Spots are reddish brown and angular in shape with chlorotic magrin. Defoliation occurs in severe attack. |
1. Disease free seed should be used for sowing.
2. Sow moderately resistant varieties like Lee and Bragg.
|
| Bacterial pustule : Yellow pustular outgrowths which later change to reddish brown appear on both surfaces of leaves. Small reddish brown spots also occurs on pods. |
1. Do not grow Punjab No. 1 variety in disease prone areas.
2. Sow resistant varieties like Lee and Bragg. |
| Yellow mosaic : Mosaic mottling of leaves accompanied with a slight wrinkling and reduction in size. Plants are stunted and set few seeds only. |
1. Use virus free seed.
2. Rogue out the infected plants as early as possible.
3. Avoid sowing variety Bragg in warmer areas like Dhaulakuan.
4. Sow Shivalik variety in lower areas. |