If Canada thistle is a headache in an annual cropping system, it’s a migraine in perennial crops, where control strategies tend to be expensive and rumours about what works and what doesn’t spread as quickly as the weed itself.
Canada thistle is not only a prolific seed producer, it also proliferates through its creeping root system. In a pasture setting, the weed can quickly lower forage productivity and quality.
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So, what do you do if you find Canada thistle in your pastures?
In this video, Sarah Sommerfeld, regional forage specialist with Saskatchewan’s Ministry of Agriculture, goes over some possible strategies to reduce thistle populations in pasture stands, including: herbicide options, grazing management and mowing.
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