INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
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Herbicide Resistant Cornflower Globally
(Centaurea cyanus)
Herbicide Resistant Cornflower Globally
(Centaurea cyanus)
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Herbicide Resistant Cornflower Globally
(Centaurea cyanus)
#CountryFirstYearSituationActive IngredientsSite of Action
1 PolandPoland 2010 Winter wheat chlorsulfuron, imazapyr, sulfometuron-methyl, and tribenuron-methyl 33 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		277Centaurea cyanusCornflower5621
2 PolandPoland 2012 Winter wheat dicamba 33 Auxin Mimics HRAC Group 4 (Legacy O)
 		277Centaurea cyanusCornflower6764
HRAC Global Heap, I.  The International Herbicide-Resistant Weed Database.  Online.  Sunday, October 4, 2026.  Available at  www.weedscience.org

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