By Michael Raine, The Western Producer, July 20, 2017 

Resistance selected with HT crops, reduced tillage and tight rotations — both chemical and crop

The number of weeds that have developed resistance to one or more herbicides is jumping in Western Canada.

Fifty-seven percent of Canada’s largest cropping province now has fields infested with herbicide tolerant weeds.

Random weed surveys conducted by researchers on 400 fields have found that more than 19 million acres in Saskatchewan likely carry one or more weed species that are tolerant to one or more herbicides.

Read full article here….

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