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Pathogens which threaten food security: Phytophthora infestans, the potato late blight pathogen

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  • Jonathan Yuen

    (Swedish University of Agricultural Sciences)

Abstract

Potato late blight, caused by Phytophthora infestans, is a critical disease of potato and other solanaceous crops, such as tomato. The history of late blight is, in some ways, the history of modern plant pathology. It received much attention in the mid 1800’s by causing the Irish potato famine, and the pathogen played a prominent role in the development of the concept of plant disease and plant pathogens. The pathosystem has also been important in the development of pesticides that are active against plant pathogens, and has also been a model system in understanding concepts ranging from cellular processes, such as how resistance to plant pathogens functions, to large scale processes, such as implementation of regional plant disease warning systems. P.infestans has a secured a place in modern potato production, both in developed and less-developed countries.

Suggested Citation

  • Jonathan Yuen, 2021. "Pathogens which threaten food security: Phytophthora infestans, the potato late blight pathogen," Food Security: The Science, Sociology and Economics of Food Production and Access to Food, Springer;The International Society for Plant Pathology, vol. 13(2), pages 247-253, April.
    • Handle: RePEc:spr:ssefpa:v:13:y:2021:i:2:d:10.1007_s12571-021-01141-3
    DOI: 10.1007/s12571-021-01141-3
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