Table 3 Disease incidence of tobacco bacterial wilt.
Time | Disease index | Disease incidence (%) | ||
|---|---|---|---|---|
Healthy soils | Bacterial wilt infected soils | Healthy soils | Bacterial wilt infected soils | |
30 d | 0 | 0.27 ± 0.02** | 0 | 2.4 ± 0.46** |
60 d | 0 | 16.54 ± 0.77** | 0 | 42.22 ± 0.91** |
90 d | 0 | 93.82 ± 0.52** | 0 | 100 ± 0** |
