Table 3. Control effect of B. cereus S2 on M. incognita in field experiment.
| Treatments | Disease index | Control effect (%) |
|---|---|---|
| Water control | 20.74 a | − |
| B. cereus strain S2 culture | 8.51 ± 0.69 b | 58.97 |
| Avermectin | 5.56 ± 1.23 c | 73.19 |
Different lowercase letters indicated very significant difference between different treatments (P < 0.01).