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Research Progress on the Trait of Stigma Exsertion in Rice

文献类型： 外文期刊

作者： Guo, Hongming 1 ; Liang, Yuyu 3 ; Lv, Jianqun 1 ; Su, Xiangwen 1 ; Ren, Guangjun 1 ; Gao, Fangyuan 1 ;

作者机构： 1.Sichuan Acad Agr Sci, Crop Res Inst, Sichuan Prov Germplasm Resources Ctr, Environm Friendly Crop Germplasm Innovat & Genet I, Chengdu 610066, Peoples R China

2.Minist Agr & Rural Affairs, Key Lab Tianfu Seed Ind Innovat Coconstruct Minist, Chengdu 610066, Peoples R China

3.Southwest Univ Sci & Technol, Rice Res Inst, Sch Life Sci & Engn, Mianyang 621010, Peoples R China

关键词： rice; setting rate; stigma exsertion; sterility line; molecular mechanism; outcrossing habit

期刊名称：PLANTS-BASEL （ 影响因子：4.1； 五年影响因子：4.5 ）

ISSN： 2223-7747

年卷期： 2024 年 13 卷 23 期

页码：

收录情况： SCI

摘要： As global food demand continues to grow, enhancing rice seed-setting rate and yield has emerged as a crucial research topic. The stigma exsertion rate in rice, a pivotal determinant of the outcrossing seed-setting rate in sterility lines, is essential for facilitating the propagation and efficient seed production of hybrid rice varieties. This article reviews the research progress on stigma exertion rate in rice, systematically analyzing the latest molecular biology and genetics findings to uncover the key genes and molecular mechanisms regulating stigma exertion. Furthermore, it explores the application of molecular marker-assisted selection technology in rice breeding, aiming to optimize stigma exertion traits to enhance the stigma exertion rate and outcrossing habits of rice sterility lines. By integrating existing research outcomes, this article not only provides researchers with a theoretical foundation for a deeper understanding of the regulatory mechanisms of stigma exertion but also offers practical strategies for rice breeding practices.

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