Protective and curative effects of compound 4n (200 μg mL−1) on the BLB of rice.
| Treatment | Protection activity (14 days following the last spray application) | Curative activity (14 days following the last spray application) | ||||
|---|---|---|---|---|---|---|
| Morbidity (%) | Disease index (%) | Control efficiencyb (%) | Morbidity (%) | Disease index (%) | Control efficiencyb (%) | |
| 4n | 100 | 40.61 | 48.16 | 100 | 39.48 | 51.08 |
| BT | 100 | 47.92 | 38.82 | 100 | 47.92 | 40.63 |
| TC | 100 | 45.83 | 41.49 | 100 | 46.15 | 42.82 |
| CKa | 100 | 78.33 | — | 100 | 80.71 | — |
a
Negative control.
b
Data were analyzed using ANOVA method, and p value less than 0.05 indicated statistically significant different. The same uppercase letters describe the non-significant difference in protective activities between two groups.