Table 2 Disease severity index of Potato and Sunflower Wilt.
Disease index scale | Potato | Sunflower | |||
|---|---|---|---|---|---|
Value | Symptoms | Disease index scale | Value | Symptoms | |
1 | 0 | Healthy plants | 1 | 0 | Healthy plants |
2 | 1 | up to 40% chlorosis and 1–20% necrosis | 2 | 1 | 25% foliar chlorosis and stunting |
3 | 2 | up to 65% chlorosis and 21–35% necrosis | 3 | 2 | 26–50% foliar chlorosis and stunting |
4 | 3 | 100% chlorosis, 36–70% necrosis | 4 | 3 | 51–75% foliar chlorosis and stunting |
5 | 4 | 100% chlorosis, 71–100% necrosis | 5 | 4 | 75%–100% severe leaf chlorosis and stunting along with plants death |