Advances in Research and Application of Male Sterility in Brassica oleracea
Ji, Jialei | Huang, Jianxin | Yang, Limei | Fang, Zhiyuan | Zhang, Yangyong | Zhuang, Mu | Lv, Honghao | Wang, Yong | Liu, Yumei | Li, Zhansheng | Han, Fengqing
Brassica oleracea is an important vegetable species which belongs to the genus Brassica and the mustard family Brassicaceae Burnett. Strong heterosis in B. oleracea is displayed in yield, quality, disease resistance, and stress tolerance. Heterosis breeding is the main way to improve B. oleracea varieties. Male sterile mutants play an important role in the utilization of heterosis and the study of development and regulation in plant reproduction. In this paper, advances in the research and application of male sterility in B. oleracea were reviewed, including aspects of the genetics, cytological characteristics, discovery of genes related to male sterility, and application of male sterility in B. oleracea. Moreover, the main existing problems and prospect of male sterility application in B. oleracea were addressed and a new hybrids’ production strategy with recessive genic male sterility is introduced.
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