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    Article: sow thistle alberta

    December 22, 2020 | Uncategorized

    Cystiphora sonchi became established in Alberta, Saskatchewan, Manitoba, and Nova Scotia, and produced three generations at Vegreville, Alberta. Spiny sow thistle is an annual pest in many parts of Western Canada, and has developed Group 2 herbicide resistance in Alberta. Updated. Canada thistle, Sow thistle. The scale on the map is in km. The gall fly thrives in shady and sunny locations. Sow thistle, Annual <

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