Table 3.
Effect of Polymyxin B1 and E2 against BLS under Greenhouse Conditions at 200 μg/ml.
| Treatment | Protection activity | Curative activity | ||
|---|---|---|---|---|
| Infection index (%) | Control efficiency (%) | Infection index (%) | Control efficiency (%) | |
| Polymyxin B1 | 40.7 ± 1.6 | 44.8 ± 1.2 | 44.5 ± 1.2 | 39.8 ± 0.6 |
| Polymyxin E2 | 42.1 ± 2.8 | 42.9 ± 4.3 | 44.3 ± 1.2 | 39.9 ± 1.8 |
| Zhongshengmycin | 44.6 ± 1.2 | 39.7 ± 3.3 | 50.2 ± 0.5 | 32.0 ± 1.6 |
| Bismerthiazol | 43.2 ± 2.5 | 41.5 ± 4.2 | 48.4 ± 1.9 | 34.3 ± 3.9 |
| CK | 73.9 ± 2.2 | / | 73.9 ± 2.2 | / |
CK is the blank rice group, its control efficiency is represented by the symbol "/".