Downy brome

Controlling downy brome

This aggressive weed can be confused with fall rye. Luckily, 
there are several ways to keep it under control

Downy brome is a winter annual grass that is a problem in every Canadian province except Newfoundland. A prolific seed producer, it germinates in the fall and overwinters as a seedling. Come spring, it resumes growth rapidly. Generally, downy brome starts heading in late April to early May. By late April, it has an extensive, […] Read more

Swather in a field.

Diversify rotations to slow resistance

Diversify canola-wheat rotations to save profit margins and slow
 weed resistance, before it’s too late

Scientists warn that a serious threat to sustainable crop production in Canada continues to grow. Surveys indicate the number of western Canadian fields containing Group 1 and Group 2 herbicide-resistant weeds has jumped dramatically. In addition, glyphosate-resistant kochia continues to spread rapidly in the west, while glyphosate-resistant giant ragweed, Canada fleabane and common ragweed carry […] Read more


Woman standing in a canola field.

Five tips for controlling weeds in canola

At the top of Angela Brackenreed’s list of key weed management tactics are tried and true practices familiar to all growers, but this Canola Council of Canada’s agronomy specialist stresses these strategies, however familiar, deserve serious consideration when fighting weeds. 1. Scouting is key for any agronomic issue in production, says Brackenreed. “If you’re not in […] Read more