| 水平 | 因素Factor | |||
| A | B (s) | C (min) | D (min) | |
| 1 | 7~9 d生叶片 | 0 | 0 | 0 |
| 2 | 10~15 d生叶片 | 30 | 6 | 5 |
| 3 | 茎段 | 60 | 12 | 10 |
| 4 | 茎尖 | 90 | 18 | 15 |