Trends in fungicide use and resistance in North America: the case of Canadian wheat production systems
Reem AboukhaddourAgriculture and Agri-Food Canada, CanadaMohamed HafezAgriculture and Agri-Food Canada, CanadaRyan GourlieAgriculture and Agri-Food Canada, CanadaMichale HardingAlberta Agriculture and Irrigation, Canada
Burleigh Dodds series in agricultural sciencebook series2026
ABI
Abstract
This chapter begins by reviewing general trends in fungicide use in North America. It discusses fungicide groups used in North America, factors affecting resistance patterns and how this has affected patterns of resistance across North America, with a particular focus on the situation in Canada. To illustrate the challenge of fungicide resistance in the region in more detail, it then focuses on fungicide resistance issues affecting wheat production in Canada, looking at the molecular basis of fungicide insensitivity, testing for fungicide insensitivity, exploiting fitness costs and regulatory issues.
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