The CMS line 681 A, the restorer 714 and FI populations of 681 AX 714 consisting of 110 plants were used for molecular mapping of the restorer gene by bulk segregant analysis(BSA).

• 2 以甘蓝型油菜CMS系681A、恢复系714及其组合681A×714 F_2群体110株为材料，利用群分法(BSA法)进行细胞质雄性不育恢复基因定位。