1·Most of its leslcross F1S and progenies of its backcrosses and biparental mating segregated statistically 50% sterile plants.
回交、兄妹交及大多数品种测交后代的不育株率约占50%左右。
2·The cytoplasmic male sterility (CMS) was transferred into leaf mustard by inter varietal hybridization and subsequent backcrosses cms donor as using tuber mustard.
采用榨菜细胞质雄性系为不育源，通过变种间杂交和回交的方法，转育叶用芥菜细胞质雄性不育种质。