| Factors | Treatment | Value |
| BCF | Control | 0.833 |
| GA3 | 0.744 | |
| IAA | 0.721 | |
| TF | Control | 1.845 |
| GA3 | 2.329 | |
| IAA | 1.829 | |
| PEF | Control | 1.537 |
| GA3 | 1.733 | |
| IAA | 1.319 |