Plenodomus tracheiphilus, but not Dothiorella ulmi, causes wilt disease on elm trees in Alberta, Canada

Annual monitoring of wilt pathogens on elm trees in Alberta is part of a provincially-regulated prevention and control program for Dutch elm disease. Over the past eight years (2016–2023), twig samples with wilt symptoms from 200 elm trees across Alberta were tested for the presence of wilt pathogen...

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