More than 80% of the world's population relies on wheat, a significant grain crop, as a source of essential protein and calories. Concerns about how rising temperatures could affect wheat output due to recent global climate change are spreading around the globe. Abiotic stressors such as heat and drought are what primarily restrict wheat productivity. Crop output is anticipated to directly be impacted by changes in the global climate. Abiotic stress, including drought and heat, is the principal factor limiting crop yield. The developmental stage of the plant is crucial in highlighting the susceptibility of distinct species and cultivars to high temperature. Heat stress limits wheat growth by interfering with several physiological and biochemical processes. In wheat, it was discovered that higher temperature stress reduced meristematic development, dehydrated by excessive transpiration, and leaf senescence, distorted photosynthetic activities, and increased the rate of respiration. Wheat is prone to responding to temperature stress and heat stock in a variety of ways, including by developing thermo-tolerance to enhance grain quality and production. With a thorough understanding of the morph physiological reactions of wheat to heat stress, we can develop the best tactics for increasing heat-stressed wheat production.
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