甘蓝型油菜双低三系杂交种云油杂1号的选育

Breeding of Yunyouza No.1, a three line hybrid of Brassica napus with double-low

云油杂1号是利用甘蓝型胞质雄性不育系96F003A与恢复系96F045C杂交筛选出的优势组合,表现杂交优势强,植株繁茂,根系发达,早熟,耐旱,适应性广,高产稳产,芥酸含量0.22%,硫甙含量38.8μmol/g,含油量43.68%,恢复株率95%以上。1999—2000年云南省秋播油菜区试中平均产量3223.2kg/hm2,比对照品种花油3号增产8.19%,2000—2001年云南省夏播油菜区试中平均产量2297.1kg/hm2,比对照品种云油21号增产7.07%。

Yunyouza No.1, a cytoplasmic male sterile three-line hybrid, was bred through sterile line 96F003A crossed recovering line 96F045C. The cultivar showed great hybridization superiority, and the plant was luxuriant, and the root system developed flourish. The cultivar possessed the characteristics of high-yield, stable yield, drought tolerance, early maturity, and extensive adaptability. Yunyouza No.1 possessed good quality with oil content of 43.68% and both low erucic content (0.22%) and low glucosinolate content (38.8μmol/g). Its restoring plant rate was up to 95%. It showed yield of 3 223.2kg/hm2, which outyielded the control Huayou No.3 by 8.19% in autumn sowing Regional Test of Yunnan during 1998-2000, and yield of 2 297.1kg/hm2 outyielded the control Yunyou No.21 by 7.07% in summer sowing Regional Test of Yunnan during 2000-2001.