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Volume 52 Issue 7
Jul.  2025
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Article Navigation >  Journal of Genetics and Genomics  > 2025  >  52(7): 869-886

Regulation of tillering and panicle branching in rice and wheat

doi: 10.1016/j.jgg.2024.12.005
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    a. State Key Laboratory of Wheat Improvement, Shandong Agricultural University, Tai'an, Shandong 271018, China;

  •  

    b. Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China

Funds:

This work was funded by grants from the National Natural Science Foundation of China (31930006 to Y.W.), the National Key Research and Development Program of China (2022YFF1002903 to Y.W.), the Top Talents Program “One Case One Discussion” (Yishiyiyi to Y.W.) from Shandong province, and Shandong Agricultural University Talent Introduction Start-up Fund (to N.Z.).

  • Received Date: 2024-09-30
  • Accepted Date: 2024-12-07
  • Rev Recd Date: 2024-11-26
    • Available Online: 2025-07-11
  • Publish Date: 2024-12-14
    Abstract
  • Branching is a critical aspect of plant architecture that significantly impacts the yield and adaptability of staple cereal crops like rice and wheat. Cereal crops develop tillers during the vegetative stage and panicle or spike branches during the reproductive stage, respectively, both of which are significantly impacted by hormones and genetic factors. Tillering and panicle branching are closely interconnected and exhibit high environmental plasticity. Here, we summarize the recent progress in genetic, hormonal, and environmental factors regulation in the branching of rice and wheat. This review not only provides a comprehensive overview of the current knowledge on branching mechanisms in rice and wheat, but also explores the prospects for future research aimed at optimizing crop architecture for enhanced productivity.
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