Name: Climate change impact and adaptation for wheat protein
Keywords: [SDV.SA]Life Sciences [q-bio]/Agricultural sciences, 630, grain protein, Ingénierie, informatique & technologie, adaptation au milieu, climate change adaptation; climate change impact; food security; grain protein; wheat, name=Ecology, wheat, [SDV.BV] Life Sciences [q-bio]/Vegetal Biology, grain

descriptionPublicationkeyboard_double_arrow_right Article 22 Nov 2018 English Publisher:WileyJournal:Global Change Biology, volume 25, pages 155-173 (issn: 1354-1013, eissn: 1365-2486,

Copyright policy )Funded by:AKA | Integrated modelling of N..., AKA | Pathways for linking unce..., EC | AGREENSKILLS +1 projects

Authors: Davide Cammarano; Mikhail A. Semenov; Heidi Horan; Yujing Gao; Frank Ewert; Jørgen E. Olesen; Joost Wolf; +69 Authors

doi: 10.1111/gcb.14481

pmid: 30549200

handle: 2268/234787 , 11388/220816 , 2158/1147460 , 11343/284917 , 10568/106685

Climate change impact and adaptation for wheat protein

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Abstract

AbstractWheat 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.

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Keywords

[SDV.SA]Life Sciences [q-bio]/Agricultural sciences, 630, grain protein, Ingénierie, informatique & technologie, adaptation au milieu, climate change adaptation; climate change impact; food security; grain protein; wheat, name=Ecology, wheat, [SDV.BV] Life Sciences [q-bio]/Vegetal Biology, grain, adaptation to the environment, Triticum, agriculture, sopeutuminen, changement climatique, [SDV.SA] Life Sciences [q-bio]/Agricultural sciences, name=Global and Planetary Change, Grain Protein, Temperature, Agriculture & agronomy, Life sciences, Adaptation, Physiological, Droughts, name=Environmental Chemistry, nutrition, climate change, Wheat, Sciences du vivant, Climate change impact, Climate Change Impact, Sciences informatiques, /dk/atira/pure/subjectarea/asjc/2300/2306, /dk/atira/pure/subjectarea/asjc/2300/2304, Nitrogen, Climate Change, ta1172, Climate change adaptation, climate change adaptation; climate change impact; food security; grain protein; wheat; Carbon Dioxide; Droughts; Food Quality; Grain Proteins; Models, Theoretical; Nitrogen; Temperature; Triticum; Adaptation, Physiological; Climate Change; Global and Planetary Change; Environmental Chemistry; Ecology; 2300, Grain protein, blé, Agriculture & agronomie, Food Quality, [SDV.BV]Life Sciences [q-bio]/Vegetal Biology, Grain Proteins, name=General Environmental Science, /dk/atira/pure/subjectarea/asjc/2300/2303, global change, climate change adaptation, /dk/atira/pure/subjectarea/asjc/2300/2300, ddc:550, food security, Food security, ilmastonmuutokset, Carbon Dioxide, Models, Theoretical, Computer science, Engineering, computing & technology, Climate Change Adaptation, Food Security, climate change impact

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