Concentration (mg/ml) | Inhibition zone (mm) | |
| P. syringae pv. tomato | X. oryzae pv. oryzae |
Positive control | 19 ± 0.5 a | 18 ± 0.3 ab |
Negative control | 0 ± 0 e | 0 ± 0 e |
100 | 17.6 ± 0.3 b | 20.5 ± 0.2 a |
50 | 16.8 ± 0.1 b | 18 ± 0.3 b |
25 | 15 ± 0.5 c | 16.5 ± 0.2 c |
12.5 | 12.6 ± 0.3 d | 13.1 ± 0.6 d |