ArticleBreeding science2012
Modes of inheritance of two apomixis components, diplospory and parthenogenesis, in Chinese chive (Allium ramosum) revealed by analysis of the segregating population generated by back-crossing between amphimictic and apomictic diploids.
Article in Breeding science, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Paradigm shift in apomixis research: Targeting mutants with elements of apomixis in sexual crops.Planta · 2026Review
- Stomata variation in the process of polyploidization in Chinese chive (Allium tuberosum).BMC plant biology · 2023Article
- ApomicticFrontiers in plant science · 2023Article
- Identifying and Engineering Genes for Parthenogenesis in Plants.Frontiers in plant science · 2019Review
- Meiosis, unreduced gametes, and parthenogenesis: implications for engineering clonal seed formation in crops.Plant reproduction · 2015Review
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7 authors.
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Abstract
To investigate the mode of inheritance of apomixis in Chinese chive, the degrees of diplospory and parthenogenesis were evaluated in F(1) and BC(1) progenies derived from crosses between amphimictic and apomictic diploids (2n = 16, 2x). The F(1) population was generated by crossing three amphimictic diploids 94Mo13, 94Mo49 and 94Mo50 with an apomictic diploid KaD2 and comprised 110 diploids and 773 triploids. All the diploid F(1) plants examined were completely or highly eusporous and completely syngamic. All the triploid F(1) plants examined were highly diplosporous and highly parthenogenetic. KaD2 could not transmit its high level of apomixis via monoploid pollen grains. The BC(1) population, generated by crossing 94Mo49 with apomictic triploids found in the F(1) offspring, exhibited heteroploidy; it comprised haploid, diploid, triploid, tetraploid and various aneuploid individuals. In this generation, clear segregation was observed between diplospory and parthenogenesis. Analysis of the BC(1) population suggests that diplospory and parthenogenesis are each controlled by single dominant genes, D and P, respectively. However, all the BC(1) plants characterized as parthenogenetic were diplosporous. The absence of phenotypically eusporous parthenogenetic plants can be explained by assuming that the presence of diplospory gene is a prerequisite for the parthenogenesis gene expression in Chinese chive.
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