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Ethylene-Triggered Rice Root System Architecture Adaptation Response to Soil Compaction

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  • Yuxiang Li

    (Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
    Key Laboratory of Forage and Endemic Crop Biology, Ministry of Education, School of Life Science, Inner Mongolia University, Hohhot 010021, China
    These authors contributed equally to this work.)

  • Bingkun Ge

    (Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
    Key Laboratory of Forage and Endemic Crop Biology, Ministry of Education, School of Life Science, Inner Mongolia University, Hohhot 010021, China
    These authors contributed equally to this work.)

  • Chunxia Yan

    (Key Laboratory of Forage and Endemic Crop Biology, Ministry of Education, School of Life Science, Inner Mongolia University, Hohhot 010021, China)

  • Zhi Qi

    (Key Laboratory of Forage and Endemic Crop Biology, Ministry of Education, School of Life Science, Inner Mongolia University, Hohhot 010021, China)

  • Rongfeng Huang

    (Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
    National Key Facility of Crop Gene Resources and Genetic Improvement, Beijing 100081, China)

  • Hua Qin

    (Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
    National Key Facility of Crop Gene Resources and Genetic Improvement, Beijing 100081, China)

Abstract

Soil compaction is a major constraint on global agriculture productivity. It disrupts soil structure, reduces soil porosity and fertility, and increases mechanical impedance, thereby restricting root growth and crop yield. Recent studies on rice ( Oryza sativa ) reveal that the phytohormone ethylene serves as a primary signal and functions as a hub in orchestrating root response to soil compaction. Mechanical impedance promotes ethylene biosynthesis and compacted soil impedes ethylene diffusion, resulting in ethylene accumulation in root tissues and triggering a complex hormonal crosstalk network to orchestrate root system architectural modification to facilitate plant adaptation to compacted soil. This review summarizes the recent advances on rice root adaptation response to compacted soil and emphasizes the regulatory network triggered by ethylene, which will improve our understanding of the role of ethylene in root growth and development and provide a pathway for breeders to optimize crop performance under specific agronomic conditions.

Suggested Citation

  • Yuxiang Li & Bingkun Ge & Chunxia Yan & Zhi Qi & Rongfeng Huang & Hua Qin, 2025. "Ethylene-Triggered Rice Root System Architecture Adaptation Response to Soil Compaction," Agriculture, MDPI, vol. 15(19), pages 1-17, October.
    • Handle: RePEc:gam:jagris:v:15:y:2025:i:19:p:2071-:d:1763612
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