Effects of Elevated CO<sub>2</sub> and Heat on Wheat Grain Quality
2021
Xizi Wang | Fulai Liu
Wheat is one of the most important staple foods in temperate regions and is in increasing demand in urbanizing and industrializing countries such as China. Enhancing yield potential to meet the population explosion around the world and maintaining grain quality in wheat plants under climate change are crucial for food security and human nutrition. Global warming resulting from greenhouse effect has led to more frequent occurrence of extreme climatic events. Elevated atmospheric CO<sub>2</sub> concentration (eCO<sub>2</sub>) along with rising temperature has a huge impact on ecosystems, agriculture and human health. There are numerous studies investigating the eCO<sub>2</sub> and heatwaves effects on wheat growth and productivity, and the mechanisms behind. This review outlines the state-of-the-art knowledge regarding the effects of eCO<sub>2</sub> and heat stress, individually and combined, on grain yield and grain quality in wheat crop. Strategies to enhance the resilience of wheat to future warmer and CO<sub>2</sub>-enriched environment are discussed.
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