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6 冬前参试材料间干物质积累比较

Table 6 Comparison of dry matter between materials before overwintering

品种（系） Variety (line) 地上部干重 Above-ground dry matter 地下部干重 Under-ground dry matter 干根冠比 Dry root shoot ratio 9/26 10/29 9/26 10/29 9/26 10/29 新油23 Xinyou23 4.75a 10.98abcd 0.73a 3.86bcd 0.16a 0.36bcd 16TS 306-4 3.40ab 5.35d 0.82a 5.12abc 0.30a 0.95abc 16TS 306-3 3.29ab 6.31bcd 0.87a 2.56cd 0.27a 0.40cd 16TS 312-2 3.91ab 14.58ab 0.79a 3.67bcd 0.21a 0.24bcd 16TS 309-10 3.26ab 5.51cd 0.73a 2.69cd 0.23a 0.49cd 16NPZ269-1 2.69b 14.12abc 0.65a 6.08ab 0.24a 0.46ab 16NTS 158 4.58ab 12.24abcd 0.66a 2.27d 0.14a 0.19d 15NS 45-4 3.32ab 8.95abcd 0.89a 7.08a 0.27a 0.88a 2016 8(G) 3.78ab 5.69cd 0.88a 2.39d 0.24a 0.42d 2016TS(G)10 3.66ab 7.52abcd 0.73a 4.21bcd 0.20a 0.59bcd 天油14 Tianyou14 2.62b 14.72ab 0.58a 3.25cd 0.22a 0.23cd 天油2288 Tianyou2288 3.91ab 15.65a 0.78a 2.25d 0.28a 0.25d