白菜型冬油菜萌动种子低温春化的生理生化特征

徐春梅,邹娅,刘自刚,米文博,徐明霞,董小云,曹小东,郑国强,方新玲

Physiological and Biochemical Characteristics of Low Temperature Vernalization of Germinating Seeds of Brassica rapa

ChunMei XU,Ya ZOU,ZiGang LIU,WenBo MI,MingXia XU,XiaoYun DONG,XiaoDong CAO,GuoQiang ZHENG,XinLing FANG

表4 不同春化时间对白菜型冬油菜结实性的影响

Table 4 Effect of vernalization time on seed set of B. rapa

品种Variety 时间Time(d) 陇油7号Longyou7 陇油9号Longyou9 天油4号Tianyou4 PB 20 1.00±1.00b 2.00±1.00a 1.67±0.58b 30 0.67±0.58b 2.33±0.58a 2.00±1.00b 40 1.67±0.58ab 1.67±1.15a 1.33±0.58b 50 2.00±0ab 2.67±0.58a 2.33±0.58ab 60 3.00±1.00a 2.67±0.58a 3.33±0.58a SP 20 37.00±8.19bc 40.3±4.73b 38.00±5.57b 30 30.33±3.21c 42.67±6.81b 42.67±4.04b 40 45.0±10.54abc 49.00±7.00ab 49.67±5.51ab 50 53.33±10.07ab 57.33±9.71a 53.67±13.05ab 60 57.33±10.07a 59.33±6.66a 60.67±10.60a LS 20 4.38±0.47b 4.39±1.06b 4.97±0.46c 30 4.47±0.26b 3.83±0.26b 5.10±0.53bc 40 4.64±0.30b 4.83±0.58b 5.56±1.09abc 50 7.03±0.38a 6.34±.53a 6.20±0.45ab 60 6.91±0.25a 6.42±0.52a 6.66±0.21a SS (mm) 20 12.33±3.48b 12.67±3.18b 14.11±2.14b 30 14.78±2.22b 12.78±9.22b 16.67±4.63a 40 16.89±3.66a 15.22±7.50a 19.44±3.37a 50 21.78±2.50a 24.22±4.17a 22.33±6.77a 60 21.33±1.15a 24.56±1.26a 23.33±0.58a YP (g) 20 0.74±0.10b 0.78±0.18c 0.75±0.10b 30 0.67±0.09b 0.69±0.08c 0.92±0.13b 40 0.91±0.18b 0.97±0.17bc 1.21±0.09a 50 1.22±0.10a 1.14±0.22ab 1.25±0.24a 60 1.28±0.18a 1.32±0.17a 1.27±0.07a