品种 | PEG-6000浓度 | 定根系长度(cm) | 根系条数(条) | 幼苗高度(cm) | 根系鲜重(g) | 幼苗鲜重(g) | 萌发抗旱指数 |
NT2 | CK | 20.12 ± 3.31aA | 3.98 ± 0.77aA | 13.35 ± 1.78aA | 1.15 ± 0.29aA | 0.57 ± 1.14aA |
|
4% | 19.70 ± 3.17aA | 3.83 ± 0.75abA | 12.90 ± 1.52abA | 1.00 ± 0.26abAB | 0.53 ± 0.14aA | 0.58 ± 0003aA | |
6% | 17.93 ± 3.30abA | 3.67 ± 0.52abA | 10.55 ± 2.29bcA | 0.80 ± 0.17bcABC | 0.47 ± 0.21aA | 0.58 ± 0.01aA | |
7.5% | 16.57 ± 2.40bA | 3.33 ± 0.82abA | 9.63 ± 4.16cAB | 0.76 ± 0.09cBC | 0.45 ± 0.13aAB | 0.37 ± 0.03bB | |
8.75% | 12.11 ± 7.44cB | 2.33 ± 0.52cB | 6.03 ± 2.07dB | 0.59 ± 0.10cC | 0.21 ± 0.08bB | 0.16 ± 0.04cC | |
TN1 | CK | 19.56 ± 1.88aA | 4.35 ± 1.35aA | 15.88 ± 1.78aA | 0.98 ± 0.09aA | 0.68 ± 0.24aA |
|
4% | 18.67 ± 1.76aA | 4.17 ± 1.33abA | 15.30 ± 1.86abA | 0.81 ± 0.07bB | 0.60 ± 0.24aAB | 0.71 ± 0.05aA | |
6% | 13.65 ± 3.39bB | 3.67 ± 0.52abAB | 14.53 ± 3.72abA | 0.75 ± 0.14cB | 0.39 ± 0.07bBC | 0.61 ± 0.07bA | |
7.5% | 11.98 ± 2.08bBC | 2.83 ± 0.98bcAB | 12.63 ± 0.37bAB | 0.73 ± 0.07cB | 0.34 ± 0.13bC | 0.36 ± 0.01cB | |
8.75% | 9.48 ± 0.9cC | 1.67 ± 1.03cB | 9.17 ± 2.67cB | 0.49 ± 0.04dC | 0.33 ± 0.18bC | 0.12 ± 0.04dC | |
TN3 | CK | 15.11 ± 2.68aA | 5.02 ± 0.57aA | 21.89 ± 4.33aA | 0.81 ± 0.06aA | 0.72 ± 0.09aA |
|
4% | 14.67 ± 2.66abA | 4.50 ± 0.55aB | 20.72 ± 4.32aA | 0.76 ± 0.05aAB | 0.66 ± 0.06aAB | 0.51 ± 0.07aA | |
6% | 12.36 ± 3.05bcAB | 3.33 ± 0.82bC | 18.28 ± 0.77bB | 0.62 ± 0.11bB | 0.65 ± 0.03aAB | 0.36 ± 0.02bB | |
7.5% | 11.92 ± 2.15cAB | 3.00 ± 2.37bC | 17.82 ± 2.32bB | 0.45 ± 0.03cC | 0.48 ± 0.07bBC | 0.36 ± 0.01bB | |
8.75% | 10.13 ± 0.92cB | 1.00 ± 0.63cD | 10.83 ± 1.81cC | 0.42 ± 0.11cC | 0.36 ± 0.17bC | 0.26 ± 0.04cB | |
TN4 | CK | 23.88 ± 3.15aA | 4.85 ± 0.53aA | 18.21 ± 2.16aA | 0.91 ± 0.09aA | 0.52 ± 0.11aA |
|
4% | 22.70 ± 3.13aA | 4.67 ± 0.52aAB | 16.27 ± 2.02aA | 0.81 ± 0.07aAB | 0.46 ± 0.09aAB | 0.75 ± 0.03aA | |
6% | 18.85 ± 1.78bAB | 4.33 ± 0.82aAB | 9.42 ± 2.00bB | 0.75 ± 0.14bBC | 0.37 ± 0.19bBC | 0.38 ± 0.03bB | |
7.5% | 14.33 ± 5.55cB | 3.50 ± 0.55bBC | 8.78 ± 0.79bB | 0.73 ± 0.07bcBC | 0.35 ± 0.03bC | 0.33 ± 0.04bB | |
8.75% | 14.27 ± 7.38cB | 3.00 ± 0.00bC | 8.42 ± 0.60bB | 0.49 ± 0.04cC | 0.34 ± 0.20bC | 0.09 ± 0.04cC |