| 浓度/mg∙L−1 | 生根率/% | 平均生根量/条∙穗−1 | 平均每穗根长/mm | 最长根长/mm |
| 0 | 43.34 | 7.49 | 19.86 | 28.00 |
| 100 | 46.67 | 7.36 | 24.16 | 29.00 |
| 200 | 50.00 | 7.35 | 23.95 | 31.00 |
| 400 | 51.67 | 8.93 | 23.78 | 31.00 |
| 600 | 58.33 | 9.34 | 28.94 | 43.00 |
| 800 | 48.33 | 8.79 | 23.37 | 37.00 |