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Exploration of rice yield potential: Decoding agronomic and physiological traits

文献类型： 外文期刊

作者： Li, Gengmi 1 ; Tang, Jiuyou 1 ; Zheng, Jiakui 2 ; Chu, Chengcai 1 ;

作者机构： 1.Chinese Acad Sci, Innovat Acad Seed Design, Inst Genet & Dev Biol, State Key Lab Plant Genom, Beijing 100101, Peoples R China

2.Sichuan Acad Agr Sci, Natl Rice Improvement Ctr, Rice & Sorghum Res Inst, Minist Agr,Luzhou Branch,Key Lab Southwest Rice B, Deyang 618000, Sichuan, Peoples R China

3.Univ Chinese Acad Sci, Coll Adv Agr Sci, Beijing 100049, Peoples R China

关键词： Rice; Yield improvement; Nitrogen use efficiency; Photosynthetic efficiency; Molecular breeding

期刊名称：CROP JOURNAL （ 影响因子：4.407； 五年影响因子：5.687 ）

ISSN： 2095-5421

年卷期： 2021 年 9 卷 3 期

页码：

收录情况： SCI

摘要： Rice grain yield is determined by three major "visible" morphological traits: grain weight, grain number per panicle, and effective tiller number, which are affected by a series of "invisible" physiological factors including nutrient use efficiency and photosynthetic efficiency. In the past few decades, substantial progress has been made on elucidating the molecular mechanisms underlying grain yield formation, laying a solid foundation for improving rice yield by molecular breeding. This review outlines our current understanding of the three morphological yield-determining components and summarizes major progress in decoding physiological traits such as nutrient use efficiency and photosynthetic efficiency. It also discusses the integration of current knowledge about yield formation and crop improvement strategies including genome editing with conventional and molecular breeding. (C) 2021 Crop Science Society of China and Institute of Crop Science, CAAS. Production and hosting by Elsevier B.V. on behalf of KeAi Communications Co., Ltd.

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