| 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 | 58.33 | 9.46 | 25.42 | 38.00 |
| 200 | 66.67 | 9.79 | 25.48 | 34.00 |
| 400 | 71.67 | 9.32 | 28.83 | 45.00 |
| 600 | 80.00 | 13.00 | 29.45 | 43.00 |
| 800 | 70.00 | 11.76 | 28.87 | 42.00 |