天津型大白菜雄性不育系的选育及利用

Breeding and utilization of male sterile Chinese cabbage

用天津型大白菜津绿75连续自交,分离出雄性不育株;通过系内兄妹交,找到两用系和保持系;用两用系中的不育株与保持系杂交,选育出雄性不育系9769A.2005年用9769A与自交系9531杂交,配制成杂交种福青一号,证明不育源在天津型大白菜品种中存在.

Malesterile plant was separated with Jing green 75 continuous Self-cross. Dual-purpose line and preservation line were found through elder brother and younger sister cross. 9769A is a male sterile plant of dual -purpose line by crossing Preservation line. Fuqingl is a new combination by crossing 9769A as female parent with 9531 as male parent .It was examined and exhibited by Liaoning and ther country Mustard family flowers exhibition.The breeding of the sterile was the important success in the breeding of different types of Chinese cabbage. Sterile source exises in other regions＇Tian jin Chinese cabbage as well. It is the reliable base in male sterile breeding.