2,4-D浓度(mol/L) |
0 |
0.4 |
0.7 |
1 |
1.3 |
1.6 |
芽长度(cm) |
4 |
7 |
11 |
13 |
8 |
5 |
根长度(cm) |
6 |
8 |
4 |
1 |
0.8 |
0.6 |