INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
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Herbicide Resistant Canada thistle Globally
(Cirsium arvense)
Herbicide Resistant Canada thistle Globally
(Cirsium arvense)
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Herbicide Resistant Canada thistle Globally
(Cirsium arvense)
#CountryFirstYearSituationActive IngredientsSite of Action
1 HungaryHungary 1985 Pastures 2,4-D, and MCPA 20 Auxin Mimics HRAC Group 4 (Legacy O)
55Cirsium arvenseCanada thistle306
2 SwedenSweden 1979 Cropland MCPA 40 Auxin Mimics HRAC Group 4 (Legacy O)
55Cirsium arvenseCanada thistle395

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