Abstract
Cold winters and geographic isolation have hitherto protected the Nordic countries from many plant pathogens and insect pests, leading to a comparatively low input of pesticides. The changing climate is projected to lead to a greater rise in temperature in this region, compared to the global mean. In Scandinavia, a milder and more humid climate implies extended growing seasons and possibilities to introduce new crops, but also opportunities for crop pests and pathogens to thrive in the absence of long cold periods. Increased temperatures, changed precipitation patterns and new cultivation practices may lead to a dramatic change in crop health. Examples of diseases and insect pest problems predicted to increase in incidence and severity due to global warming are discussed.
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Acknowledgements
We thank the Swedish Board of Agriculture for data and discussions on diseases and insect pests. This work was supported by the Faculty of Natural Resources and Agricultural Sciences (Swedish University of Agricultural Sciences), and the Foundation in Memory of Oscar and Lili Lamm.
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Roos, J., Hopkins, R., Kvarnheden, A. et al. The impact of global warming on plant diseases and insect vectors in Sweden. Eur J Plant Pathol 129, 9–19 (2011). https://doi.org/10.1007/s10658-010-9692-z
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DOI: https://doi.org/10.1007/s10658-010-9692-z