Glyphosate and acetolactate synthase inhibitor resistance in Russian thistle (Salsola tragus L.) in Alberta

Author:

Beckie Hugh J.1,Hall Linda M.2,Shirriff Scott W.1,Martin Elise2,Leeson Julia Y.1

Affiliation:

1. Saskatoon Research and Development Centre, Agriculture and Agri-Food Canada, 107 Science Place, Saskatoon, SK S7N 0X2, Canada.

2. Agricultural, Food and Nutritional Science, 410 Agriculture/Forestry, University of Alberta, Edmonton, AB T6G 2P5, Canada.

Abstract

A survey was conducted in Alberta in 2017 to determine the distribution and abundance of acetolactate synthase (ALS) inhibitor and glyphosate resistance in Russian thistle. Of 45 populations tested, 31 (62%) were ALS inhibitor resistant. No populations exhibited resistance to glyphosate. This survey serves as a baseline to monitor future incidence of resistance in this weed.

Publisher

Canadian Science Publishing

Subject

Horticulture,Plant Science,Agronomy and Crop Science

Reference5 articles.

1. The biology of Canadian weeds. 65. Salsola tragus L. (updated)

2. Glyphosate-resistant kochia (Kochia scoparia L. Schrad.) in Saskatchewan and Manitoba

3. Survey of glyphosate-resistant kochia (Kochia scoparia L. Schrad.) in Alberta

4. Leeson, J.Y., Neeser, C., Kimmel, N., and Vadnais, M. 2012. Alberta weed survey of dryland crops in 2010. Weed Survey Series Publication 12-1. Agriculture and Agri-Food Canada, Saskatoon, SK. 493 pp.

5. Herbicide resistance in the Canadian prairie provinces : Five years after the fact

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