Integrated Crop Management Systems for Wild Oat Control

Researcher: K.Neil Harker, John O’Donovan, Kelly Turkington, Vern Baron, Agriculture and Agri-Food Canada (AAFC), Lacombe AB, Robert Blackshaw, Newton Lupwayi and Elwin Smith, AAFC Lethbridge, AB, Eric Johnson, AAFC Scott SK, Denis Pageau, AAFC Normandin, QC, Linda Hall, University of Alberta, Chris Willenborg and Steve Shirtliffe, University of Saskatchewan, Rob Gulden, University of Manitoba, John Kobler, University of Guelph

Project Code: 3.6.1

Final Report: April 2013

Summary: Wild oat continues to be the most economically important weed problem in Canada. Researchers conducted a study to determine if diverse rotation treatments combined with other cultural practices would reduce wild oat populations, and if diverse crop rotations would influence wild oat seed bank, soil microbes, and crop quality.
Preliminary results from the study indicate that some diverse rotations in integrated systems without wild oat herbicides can be just as effective at managing wild oat as typical summer annual canola-wheat rotations in full herbicide-rate regimes. Final results will be available a few months after the 2015 growing season.

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