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. 2019 Jan;25(1):155-173.
doi: 10.1111/gcb.14481. Epub 2018 Nov 22.

Climate change impact and adaptation for wheat protein

Senthold Asseng  1 Pierre Martre  2 Andrea Maiorano  2 Reimund P Rötter  3   4 Garry J O'Leary  5 Glenn J Fitzgerald  6   7 Christine Girousse  8 Rosella Motzo  9 Francesco Giunta  9 M Ali Babar  10 Matthew P Reynolds  11 Ahmed M S Kheir  12 Peter J Thorburn  13 Katharina Waha  13 Alex C Ruane  14 Pramod K Aggarwal  15 Mukhtar Ahmed  16   17 Juraj Balkovič  18   19 Bruno Basso  20   21 Christian Biernath  22 Marco Bindi  23 Davide Cammarano  24 Andrew J Challinor  25   26 Giacomo De Sanctis  27 Benjamin Dumont  28 Ehsan Eyshi Rezaei  29   30 Elias Fereres  31 Roberto Ferrise  23 Margarita Garcia-Vila  31 Sebastian Gayler  32 Yujing Gao  1 Heidi Horan  13 Gerrit Hoogenboom  1   33 R César Izaurralde  34   35 Mohamed Jabloun  36 Curtis D Jones  34 Belay T Kassie  1 Kurt-Christian Kersebaum  37 Christian Klein  22 Ann-Kristin Koehler  25 Bing Liu  1   38 Sara Minoli  39 Manuel Montesino San Martin  40 Christoph Müller  39 Soora Naresh Kumar  41 Claas Nendel  37 Jørgen Eivind Olesen  36 Taru Palosuo  42 John R Porter  40   43   42 Eckart Priesack  22 Dominique Ripoche  44 Mikhail A Semenov  45 Claudio Stöckle  16 Pierre Stratonovitch  45 Thilo Streck  32 Iwan Supit  46 Fulu Tao  47   48 Marijn Van der Velde  49 Daniel Wallach  50 Enli Wang  51 Heidi Webber  29   37 Joost Wolf  52 Liujun Xiao  38 Zhao Zhang  53 Zhigan Zhao  51   54 Yan Zhu  38 Frank Ewert  29   37
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Free article

Climate change impact and adaptation for wheat protein

Senthold Asseng et al. Glob Chang Biol. 2019 Jan.
Free article

Abstract

Wheat grain protein concentration is an important determinant of wheat quality for human nutrition that is often overlooked in efforts to improve crop production. We tested and applied a 32-multi-model ensemble to simulate global wheat yield and quality in a changing climate. Potential benefits of elevated atmospheric CO2 concentration by 2050 on global wheat grain and protein yield are likely to be negated by impacts from rising temperature and changes in rainfall, but with considerable disparities between regions. Grain and protein yields are expected to be lower and more variable in most low-rainfall regions, with nitrogen availability limiting growth stimulus from elevated CO2 . Introducing genotypes adapted to warmer temperatures (and also considering changes in CO2 and rainfall) could boost global wheat yield by 7% and protein yield by 2%, but grain protein concentration would be reduced by -1.1 percentage points, representing a relative change of -8.6%. Climate change adaptations that benefit grain yield are not always positive for grain quality, putting additional pressure on global wheat production.

Keywords: climate change adaptation; climate change impact; food security; grain protein; wheat.

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