【摘要】 冬油菜新品系964-1-1是天水市农科所以白菜型冬油菜品种天油1号作母本,加拿大甘蓝型春油菜品种p ivot作父本杂交选育而成。在2001-2003年的区域试验中,2 a 10点次折合产量2 118 kg/hm2,较对照品种天油1号增产12.1%。该品系株高110.6 cm,千粒重2.57 g,角粒数24.6粒,生育期273 d,越冬率94.2%。适宜在陇东、陇南及定西等海拔2 000 m以下地区推广种植。更多还原

【Abstract】 964-1-1,a new winter rape line was bred by Tianyou 1(B.campestris L.) as female parent,Canada rape variety pivot(Brassica napus L.)as male parent by Tianshui Institute of Agricultural Sciences.In the regional test from 2001 to 2003,the average yield was 2 118 kg/hm~2,which was 12.1% higher than that of the check Tianyou 1.Its plant height was 110.6 cm,the 1 000 seeds weight was 2.57 g,the number of seeds per silique was 24.6,the whole growth period was 273 d and winter survival rate was 94.2%.It suited to be planted in the regions of Eastern Gansu,Southern Gansu,and Dingxi et al.below 2 000 m above sea level.更多还原