A Joint Segregation Analysis of the Inheritance of Fertility Restoration for Cytoplasmic Male Sterility in Pepper

文献类型： 外文期刊

第一作者： Wei, Bingqiang

作者： Wei, Bingqiang;Zhang, Gaoyuan;Wang, Lanlan;Zhang, Ru;Bosland, Paul W.

作者机构：

关键词： Capsicum annuum; CMS; fertility restoration; genetics; major gene plus polygene

期刊名称：JOURNAL OF THE AMERICAN SOCIETY FOR HORTICULTURAL SCIENCE （ 影响因子：1.144； 五年影响因子：1.617 ）

ISSN： 0003-1062

年卷期： 2020 年 145 卷 1 期

页码：

收录情况： SCI

摘要： A cytoplasmic male sterility (CMS) system is one of the most efficient ways to produce F-1 hybrid seeds in pepper (Capsicum annuum). Restorer-of-fertility (Rf) genes are a critical component within the CMS/Rf system. The inheritance of Rf genes in pepper by joint segregation analysis was examined. The inheritance of Rf genes in the two progenies was controlled by two major additive-dominant epistatic genes and additive-dominant epistasis polygene. The two major genes had high additive effects and dominant effects. In addition, there existed significant epistatic effects between the two major genes. The major genes had high heritability in F-2, BC1, and BC2 generations. Also, the fertility restorer characteristic can be selected during early generations of the breeding cycle.

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