| 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 | 55.00 | 9.47 | 23.32 | 35.00 |
| 200 | 66.67 | 10.83 | 21.85 | 33.00 |
| 400 | 60.00 | 9.96 | 25.96 | 39.00 |
| 600 | 50.67 | 9.06 | 23.89 | 39.00 |
| 800 | 45.00 | 6.68 | 18.83 | 31.00 |