Abstract
The yield potential of rice is seriously affected by heat stress due to climate change. Since rice is a staple food globally, it is imperative to develop heat-resistant rice varieties. Thus, a thorough understanding of the underlying complex molecular mechanisms governing heat tolerance and the impact of high temperatures on various critical stages of the crop is needed. Adoption of conventional and innovative breeding strategies offers a long-term advantage over other methods, such as agronomic practices, to counter heat stress. In this review, we summarize the effects of heat stress, regulatory pathways for heat tolerance, phenotyping strategies, and various breeding methods available for developing heat-tolerant rice. We offer perspectives and knowledge to guide future research endeavors for enhancing rice’s ability to withstand heat stress and ultimately benefit humanity.
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