Table 1.
Percentage of freezing-induced injured leaves of various cultivars 1.
Cultivars | Block 1 (%) | Block 2 (%) | Block 3 (%) | Mean ± SD (%) | H | Freezing Tolerance |
---|---|---|---|---|---|---|
4-56 | 16.06 | 18.32 | 17.40 | 17.263 ± 1.138 | 50.00 | Sensitive |
5-62 | 21.83 | 22.81 | 23.46 | 22.701 ± 0.817 | 50.00 | Sensitive |
FZ-0 | 16.08 | 16.75 | 17.40 | 16.741 ± 0.660 | 50.00 | Sensitive |
HJY | 20.51 | 23.08 | 23.06 | 22.217 ± 1.478 | 50.00 | Sensitive |
1-17 | 15.89 | 16.23 | 16.50 | 16.204 ± 0.304 | 48.33 | Moderate sensitive |
4-57 | 14.91 | 16.95 | 16.97 | 16.278 ± 1.184 | 48.33 | Moderate sensitive |
Zijuan | 15.41 | 13.79 | 16.71 | 15.303 ± 1.465 | 43.33 | Moderate sensitive |
4-63 | 14.23 | 14.08 | 14.22 | 14.178 ± 0.083 | 33.33 | Moderate sensitive |
1-16 | 13.78 | 13.36 | 12.95 | 13.364 ± 0.417 | 28.33 | Moderate sensitive |
1-6 | 14.55 | 13.17 | 12.11 | 13.279 ± 1.226 | 28.33 | Moderate sensitive |
JK-2 | 13.93 | 13.66 | 13.95 | 13.847 ± 0.164 | 28.33 | Moderate sensitive |
4-14 | 13.29 | 14.74 | 13.37 | 13.801 ± 0.815 | 26.67 | Moderate sensitive |
2-49 | 8.81 | 9.46 | 9.14 | 9.139 ± 0.326 | 25.00 | Moderate sensitive |
2-7 | 6.99 | 6.74 | 6.72 | 6.815 ± 0.150 | 25.00 | Moderate sensitive |
3-1 | 13.25 | 13.58 | 13.00 | 13.273 ± 0.291 | 25.00 | Moderate sensitive |
3-10 | 11.86 | 12.49 | 13.01 | 12.456 ± 0.576 | 25.00 | Moderate sensitive |
4-152 | 8.75 | 8.83 | 8.85 | 8.814 ± 0.054 | 25.00 | Moderate sensitive |
4-154 | 9.49 | 8.72 | 8.41 | 8.876 ± 0.557 | 25.00 | Moderate sensitive |
4-17 | 8.12 | 7.73 | 7.36 | 7.738 ± 0.381 | 25.00 | Moderate sensitive |
4-38 | 9.23 | 8.31 | 8.32 | 8.620 ± 0.532 | 25.00 | Moderate sensitive |
4-44-4 | 12.4 | 12.03 | 12.16 | 12.195 ± 0.187 | 25.00 | Moderate sensitive |
4-45 | 9.58 | 9.47 | 8.73 | 9.257 ± 0.462 | 25.00 | Moderate sensitive |
4-6 | 7.55 | 8.51 | 8.35 | 8.139 ± 0.513 | 25.00 | Moderate sensitive |
4-76 | 12.89 | 12.43 | 13.06 | 12.790 ± 0.325 | 25.00 | Moderate sensitive |
5-47 | 9.89 | 9.41 | 9.06 | 9.454 ± 0.419 | 25.00 | Moderate sensitive |
5-72 | 10.82 | 10.40 | 10.37 | 10.532 ± 0.252 | 25.00 | Moderate sensitive |
5-81 | 10.77 | 10.40 | 10.30 | 10.489 ± 0.245 | 25.00 | Moderate sensitive |
FZ-1 | 11.59 | 13.10 | 13.02 | 12.568 ± 0.846 | 25.00 | Moderate sensitive |
FZ-2 | 8.78 | 9.32 | 9.13 | 9.076 ± 0.272 | 25.00 | Moderate sensitive |
PBZY | 10.61 | 10.51 | 10.03 | 10.384 ± 0.309 | 25.00 | Moderate sensitive |
ZNB | 10.20 | 10.72 | 10.24 | 10.385 ± 0.288 | 25.00 | Moderate sensitive |
Fuding | 11.93 | 11.94 | 11.75 | 11.875 ± 0.106 | 25.00 | Moderate sensitive |
Fuwuming | 7.93 | 8.54 | 8.62 | 8.367 ± 0.377 | 25.00 | Moderate sensitive |
Jinxuan | 10.35 | 10.45 | 10.07 | 10.29 ± 0.195 | 25.00 | Moderate sensitive |
Xiangshan 3 | 7.80 | 8.05 | 7.91 | 7.921 ± 0.126 | 25.00 | Moderate sensitive |
Xiangshan 5 | 9.59 | 10.35 | 10.44 | 10.127 ± 0.463 | 25.00 | Moderate sensitive |
Zhenghe | 7.48 | 8.37 | 7.66 | 7.838 ± 0.467 | 25.00 | Moderate sensitive |
1-18 | 7.96 | 7.51 | 6.30 | 7.255 ± 0.859 | 23.33 | Moderate sensitive |
Z-7 | 4.90 | 5.97 | 5.48 | 5.450 ± 0.532 | 20.00 | Moderate sensitive |
5-28 | 5.19 | 5.42 | 5.09 | 5.229 ± 0.169 | 18.33 | Tolerant |
1-35 | 4.53 | 4.00 | 2.97 | 3.832 ± 0.792 | 1.67 | Highly tolerant |
1-10 | 0.22 | 0.21 | 0.20 | 0.209 ± 0.006 | 0 | Highly tolerant |
4-52 | 0.24 | 0.59 | 0.58 | 0.469 ± 0.198 | 0 | Highly tolerant |
4-52-2 | 0.45 | 0.48 | 0.44 | 0.457 ± 0.022 | 0 | Highly tolerant |
4-77 | 0.67 | 0.83 | 0.56 | 0.687 ± 0.136 | 0 | Highly tolerant |
FYWM-3 | 1.77 | 2.16 | 1.37 | 1.768 ± 0.395 | 0 | Highly tolerant |
FYWM-7 | 2.42 | 2.66 | 2.48 | 2.519 ± 0.126 | 0 | Highly tolerant |
1 The freezing-induced injured leaves and total leaves of 5 plants each block was counted and the percentage of the freezing-induced injured leaves was expressed as (total injured leaves/total leaves) × 100%. The H index was calculated by equation (H (%) = [Σ (ni × xi)/(N × 4)] × 100) described in Section 4.2.