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Modelling predicts that heat stress, not drought, will increase vulnerability of wheat in Europe

Semenov, M. A. and Shewry, P. R. (2011) Modelling predicts that heat stress, not drought, will increase vulnerability of wheat in Europe. Scientific Reports, 1. 66. ISSN 2045-2322

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To link to this item DOI: 10.1038/srep00066


New crop cultivars will be required for a changing climate characterised by increased summer drought and heat stress in Europe. However, the uncertainty in climate predictions poses a challenge to crop scientists and breeders who have limited time and resources and must select the most appropriate traits for improvement. Modelling is a powerful tool to quantify future threats to crops and hence identify targets for improvement. We have used a wheat simulation model combined with local-scale climate scenarios to predict impacts of heat stress and drought on winter wheat in Europe. Despite the lower summer precipitation projected for 2050s across Europe, relative yield losses from drought is predicted to be smaller in the future, because wheat will mature earlier avoiding severe drought. By contrast, the risk of heat stress around flowering will increase, potentially resulting in substantial yield losses for heat sensitive cultivars commonly grown in northern Europe.

Item Type:Article
Divisions:Interdisciplinary Research Centres (IDRCs) > Walker Institute
Interdisciplinary centres and themes > Centre for Food Security
Life Sciences > School of Agriculture, Policy and Development > Department of Crop Science
ID Code:28545
Uncontrolled Keywords:Climate-change; Elevated CO2; Winter-wheat; Crop yields; Temperature; Scenarios; Food; Uncertainty; Variability; Frequency
Publisher:Nature Publishing Group

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