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7 参试材料春播后不同生长发育阶段的植株个数及所占比例

Table 7 The number and proportion of plants in different growth stages after sowing in spring

品种（系） Variety (line) 春化率 Vernalization rate (%) 小区平均株数 Amount 比例Ratio (%) 抗寒性分类 Cold tolerance classification 未现蕾 Not budding 现蕾期 Squaring stage 花期 Flowering stage 成熟期 Maturing stage 新油23 Xinyou23 87.65a 162 12.35 39.51 — 48.15 Ⅴ 16TS 309-4 9.39g 181 90.61 9.39 — — Ⅰ 16TS 306-3 17.16f 204 82.84 17.16 — — Ⅱ 16TS 312-2 27.13e 387 72.87 27.13 — — Ⅱ 16TS 309-10 25.00e 216 75.00 24.54 — 0.46 Ⅱ 16NPZ 269-1 43.98c 241 56.43 39.00 0.41 4.15 Ⅲ 16NTS 158 38.71d 124 61.29 38.71 — — Ⅲ 15NS 45-4 16.40f 189 83.60 16.40 — — Ⅱ 2016 8(G) 24.37e 119 75.63 23.53 0.84 — Ⅱ 2016TS(G)10 4.05h 222 95.95 4.05 — — Ⅰ 天油14 Tianyou14 55.00b 100 45.00 31.00 7.00 17.00 Ⅳ 天油2288 Tianyou2288 85.19a 108 14.81 10.19 2.78 72.22 Ⅴ