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12 春化率与抗寒指标的相关性分析

Table 12 Correlation analysis of vernalization rate and cold resistance indexes

指标 Index 越冬率 Overwintering rate 半致死温度 LT50 综合评价值（D） Comprehensive evaluation value SOD CAT POD SP 春化率 Vernalization rate -0.91** 0.74** -0.96** -0.64* -0.84** -0.80** -0.93**