First report of stripe rust (Puccinia striiformis f. sp. tritici) on wheat in Quebec, Canada

Author:

Rioux Sylvie1,Mimee Benjamin2,Gagnon Annie-Ève3,Hambleton Sarah4

Affiliation:

1. Centre de recherche sur les grains, 2700 rue Einstein, Québec (Québec), Canada G1P 3W8

2. Horticulture Research and Development Centre, Agriculture and Agri-Food Canada, 430 boul. Gouin, Saint-Jean-sur-Richelieu (Québec), Canada J3B 3E6

3. Centre de recherche sur les grains, 740 chemin Trudeau, Saint-Mathieu-de-Beloeil (Québec), Canada J3G 0E2

4. Eastern Cereal and Oilseed Research Centre, Agriculture and Agri-Food Canada, K.W. Neatby Building, 960 Carling Avenue, Ottawa (Ontario), Canada K1A 0C6

Abstract

Stripe rust, Puccinia striiformis f. sp. tritici, is one of the world’s most important diseases of wheat. In Canada, stripe rust is found mainly in the western provinces (British Columbia, Alberta and Saskatchewan) and, more recently, in the provinces of Manitoba and Ontario. Here, we report the first detection of stripe rust on wheat in the province of Quebec, Canada. Leaves showing yellowish sporulation arranged in narrow stripes were found in wheat performance trials at the research station of Université Laval, in Saint-Augustin-de-Desmaures. Morphological identification was confirmed by several PCR assays targeting specific genomic sequences and a rDNA gene segment (ITS2/28S).

Publisher

Consortium Erudit

Subject

Plant Science

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