北方强冬性甘蓝型冬油菜品种(系)抗寒性评价
|
|
蒲媛媛,赵玉红,武军艳,刘丽君,白静,马骊,牛早霞,金姣姣,方彦,李学才,孙万仓
|
Comprehensive Assessment on Cold Tolerance of the Strong Winter Brassica napus L. Cultivated in Northern China
|
|
YuanYuan PU,YuHong ZHAO,JunYan WU,LiJun LIU,Jing BAI,Li MA,ZaoXia NIU,JiaoJiao JIN,Yan FANG,XueCai LI,WanCang SUN
|
|
表4 不同低温下叶片相对电导率及Logistic拟合方程
|
Table 4 Relative electrolytic leakage and Logistic equation of leaves under different low temperatures treatments
|
|
品种（系）
Variety(line) | 相对电导率 Relative electrolytic leakage (%) | 回归方程
Regression equation | 拟合度
R2 | 半致死
温度
LT50 (℃) | 抗寒性排序
Cold tolerance ranking | | 5℃ | 0℃ | -5℃ | -10℃ | -15℃ | 新油23
Xinyou23 | 25.30b | 32.54a | 42.40ab | 61.27a | 80.45abc | y=100/（1+1.949e0.1237x） | 0.96 | -5.4 | 11 | | 16TS 309-4 | 20.07cd | 31.20b | 31.83abc | 46.67a | 68.67c | y=100/（1+2.6e0.0998x） | 0.92 | -9.6 | 2 | | 16TS 306-3 | 19.87de | 22.03b | 32.22cd | 48.80a | 80.55abc | y=100/（1+2.976e0.1369x） | 0.89 | -8.0 | 3 | | 16TS 312-2 | 17.26de | 28.57b | 34.20a | 53.07a | 85.92ab | y=100/（1+2.775e0.1558x） | 0.90 | -6.6 | 7 | | 16TS 309-10 | 15.14bc | 21.75c | 36.16cd | 52.03a | 85.97ab | y=100/（1+3.251e0.1687x） | 0.93 | -7.0 | 5 | | 16NPZ 269-1 | 15.95e | 25.16c | 34.23bcd | 66.31a | 88.85a | y=100/（1+2.872e0.1849x） | 0.94 | -5.7 | 9 | | 16NTS 158 | 19.60bc | 26.33b | 39.00abcd | 54.63a | 86.36ab | y=100（1+2.57e0.1546x） | 0.91 | -6.1 | 8 | | 15NS 45-4 | 20.05e | 35.76bc | 37.73abcd | 57.80a | 84.99ab | y=100/（1+2.496e0.1256x） | 0.94 | -7.3 | 4 | | 2016 8(G) | 25.92bc | 31.67a | 41.23ab | 52.13a | 75.63bc | y=100/（1+2.04e0.1044x） | 0.93 | -6.8 | 6 | | 2016TS(G)10 | 20.66bc | 21.21b | 29.37d | 41.37a | 57.63d | y=100/（1+3.134e0.0854x） | 0.93 | -13.4 | 1 | 天油14
Tianyou14 | 20.71bc | 29.04a | 32.90abcd | 58.17a | 76.61bc | y=100/（1+2.22e0.1427x） | 0.91 | -5.6 | 10 | 天油2288
Tianyou2288 | 22.71a | 34.65a | 40.22ab | 73.63a | 79.17abc | y=100/（1+1.734e0.125x） | 0.91 | -4.4 | 12 |
|
|
|