Climate change may outpace current wheat breeding yield improvements in North America

Tianyi Zhang (), Yong He (), Ron DePauw, Zhenong Jin, David Garvin, Xu Yue, Weston Anderson, Tao Li, Xin Dong, Tao Zhang and Xiaoguang Yang ()
Additional contact information
Tianyi Zhang: Chinese Academy of Sciences
Yong He: Chinese Academy of Agricultural Sciences
Ron DePauw: Advancing Wheat Technologies
Zhenong Jin: University of Minnesota
David Garvin: Formerly USDA-ARS Plant Science Research Unit
Xu Yue: Nanjing University of Information Science and Technology
Weston Anderson: The International Research Institute for Climate and Society
Tao Li: DNDC Applications, Research and Training
Xin Dong: Chinese Academy of Sciences
Tao Zhang: Chinese Academy of Sciences
Xiaoguang Yang: China Agricultural University

Nature Communications, 2022, vol. 13, issue 1, 1-9

Abstract: Abstract Variety adaptation to future climate for wheat is important but lacks comprehensive understanding. Here, we evaluate genetic advancement under current and future climate using a dataset of wheat breeding nurseries in North America during 1960-2018. Results show that yields declined by 3.6% per 1 °C warming for advanced winter wheat breeding lines, compared with −5.5% for the check variety, indicating a superior climate-resilience. However, advanced spring wheat breeding lines showed a 7.5% yield reduction per 1 °C warming, which is more sensitive than a 7.1% reduction for the check variety, indicating climate resilience is not improved and may even decline for spring wheat. Under future climate of SSP scenarios, yields of winter and spring wheat exhibit declining trends even with advanced breeding lines, suggesting future climate warming could outpace the yield gains from current breeding progress. Our study highlights that the adaptation progress following the current wheat breeding strategies is challenging.

Date: 2022
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DOI: 10.1038/s41467-022-33265-1

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