The ability of crops to withstand heat is critical to our food system's resilience to climate change. A study published in the open access journal PLOS Genetics by Aaron Kusmec at Iowa State University; Ames, Iowa, United States and colleagues suggests that trait selection through plant breeding has increased maize's tolerance to moderate heat stress over time; however, its tolerance to severe heat stress has decreased. Maize is vulnerable to heat stress and high temperatures can diminish crop yields.

https://www.miragenews.com/genetic-changes-reduce-maizes-heat-stress-1042210/

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