数字农科院2.0

High-density cultivation of synthetic apomictic hybrid rice achieves near-complete 1 diploidization and parental-equivalent yield in field trials 2 Mengqiu Song1,5, Shengnan Li1,5, Zuan Wang1,5, Guojun Dong2 , Tao Wang1 , Jingxi Sun1 ,

文献类型： 外文期刊

作者： 宋梦秋;;李胜男;;王钻;;董国军;;王涛;;孙景熙;;夏思琪;;杨泽园;;刘伟哲;;彭友林;;樊龙江;;孙健;;张勇;;王克剑;;郑晓明;;钱前

关键词： cultivation;;hybrid rice;;near-complete ;;diploidization;;parental-equivalent

期刊名称： Molecular Plant

ISSN： 1674-2052

年卷期： 2026 年

页码：

收录情况： SCIE（2025版） ; ; CSCD（2025-2026年度） ; ; 科技核心（2024版）

摘要： The development of hybrid rice has substantially increased rice yield and played a pivotal role in ensuring global food security. However, the large-scale adoption of hybrid rice remains constrained by its reliance on complex and costly seed production systems. Apomixis offers a powerful strategy to fix heterosis and produce clonal progeny, and is therefore considered a key approach for addressing the challenges to hybrid rice seed production (Schmidt, 2020). In recent years, clonal seeds have been successfully generated in rice by combining the MiMe (mitosis instead of meiosis) strategy (Mieulet et al., 2016) with parthenogenesis genes or haploid inducers (Wang et al., 2019; Vernet et al., 2022; Huang et al., 2025). Despite these advances, most research on synthetic apomixis has ocused on greenhouse conditions or small-scale field trials, and systematic validation of yield performance and agronomic stability under larger-scale field production conditions have not yet been systematically evaluated (Lewis, 2025). In crop research, many advances are initially achieved under controlled conditions, yet their performance in complex field environments remains insufficiently validated (Khaipho-Burch et al., 2023). Therefore, accelerating the transition of apomixis from laboratory research to validation under field production conditions is essential for evaluating its practical application potential.

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