| Treatments | Concentration (%) | Cayenne pepper | Red pepper | Bell pepper | Bird-eye pepper |
| T1 | 4 | −49.05% | −71.95% | −32.19% | −66.41% |
| T2 | 8 | −53.47% | −74.24% | −56.54% | −69.27% |
| T3 | 12 | −100% | −75.00% | −100% | −100% |
| T4 | 16 | −100% | −100% | −100% | −100% |
| T5 | 20 | −100% | −100% | −100% | −100% |