Giant foxtail becomes “primary” noxious weed

Giant foxtail, an annual plant and major pest of soybean, alfalfa, potato, corn, sunflower, tomato, peach and grape crops, has spread far enough in Canada to earn a new classification.

The plant, Setaria faberi, was previously a Class 1 prohibited noxious weed, but was reclassified Wednesday by the federal government as Class 2 primary noxious, as it’s now “too widespread to fit the definition of Class 1,” the Canadian Food Inspection Agency said.

Reclassification to Class 2 is expected to help to curtail the spread of giant foxtail, CFIA said.

Class 2 primary noxious weed species have the potential to be serious weeds in at least a part of Canada, the agency said Wednesday.

Such weeds are “either native to Canada or have reached the limits of their ecological range, and would be difficult to eradicate or control by good agricultural practices once established in cultivated fields.”

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