Breeding of the POL-CMS line BE23A in Brassic napus
Pol-CMS Line BE23A was bred by the Pol-cms 254A as sterile resource and the intespcific hybrid offspring (B. napus × B.campestirs) as a new maintainer materiel through backcross and testcross for several generations. Some intespcific characters such as short plant, big petal and full nectary has been found which is useful for hybrid seed production. This bred line has stable male sterility with thin and long bud, shriveled anther and slow in reaction to low temperature. Over 95％ purity has been gotten by this sterile line for commercial hybrid seed production in natural condition. Through the press selection, it is with double low quality and good economic characters. The combinations completed by BE23A were promoting yield 5.3％-19.5 than those completed by original sterile line 254A when the same restorer lines were used.
Pol-CMS interspecific crossing hybrid heterosis Brassica napus
CHEN Weijiang LI Mei FAN Lianyi
Hunan Crops Research Institute, Changsha 410125, China
国际会议
第十二届国际油菜大会( The 12th International Rapeseed Congress)
武汉
英文
102-103
2007-03-26（万方平台首次上网日期，不代表论文的发表时间）