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Improvements in Tolerance to Heat Stress in Rice via Molecular Mechanisms and Rice Varieties

Author

Listed:
  • He Liu

    (College of Life Sciences, Zhejiang Normal University, Jinhua 321004, China
    State Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou 310006, China)

  • Yiting Wei

    (College of Life Sciences, Zhejiang Normal University, Jinhua 321004, China)

  • Saisai Xia

    (State Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou 310006, China)

  • Wei Xie

    (College of Life Sciences, Zhejiang Normal University, Jinhua 321004, China
    State Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou 310006, China)

  • Deyong Ren

    (State Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou 310006, China)

  • Yuchun Rao

    (College of Life Sciences, Zhejiang Normal University, Jinhua 321004, China)

Abstract

Global warming affects crop growth and development, threatening food security. As one of the essential food crops, rice is severely affected by high temperature stress, which compromises both its yield and quality. Therefore, gaining a deep understanding of the molecular mechanisms by which rice responds to heat stress and breeding rice varieties that are tolerant to such stress is crucial for maintaining food security. This review summarizes the impacts of heat stress on yield and quality-related traits at different growth and development stages of rice, the molecular mechanisms of rice perception and response to heat stress, and the improvement in and breeding of heat-tolerant rice varieties using existing superior alleles/QTLs. We also discuss the opportunities and challenges in creating highly heat-tolerant rice germplasm, providing new ideas and insights for the future breeding of heat-tolerant rice varieties.

Suggested Citation

  • He Liu & Yiting Wei & Saisai Xia & Wei Xie & Deyong Ren & Yuchun Rao, 2025. "Improvements in Tolerance to Heat Stress in Rice via Molecular Mechanisms and Rice Varieties," Agriculture, MDPI, vol. 15(3), pages 1-23, January.
    • Handle: RePEc:gam:jagris:v:15:y:2025:i:3:p:318-:d:1581475
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