INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
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Herbicide Resistant Common Sunflower Globally
(Helianthus annuus)
Herbicide Resistant Common Sunflower Globally
(Helianthus annuus)
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Herbicide Resistant Common Sunflower Globally
(Helianthus annuus)
#CountryFirstYearSituationActive IngredientsSite of Action
1 FranceFrance 2009 Sunflower imazamox, and tribenuron-methyl 17 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		95Helianthus annuusCommon Sunflower9929
2 United States (Kansas) United StatesKansas1996 Soybean imazethapyr 45 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		95Helianthus annuusCommon Sunflower499
3 United States (Missouri) United StatesMissouri1996 Soybean chlorimuron-ethyl, cloransulam-methyl, flumetsulam, halosulfuron-methyl, imazaquin, imazethapyr, and oxasulfuron 45 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		95Helianthus annuusCommon Sunflower1067
4 United States (South Dakota) United StatesSouth Dakota1996 Cropland imazethapyr 45 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		95Helianthus annuusCommon Sunflower1186
5 United States (Iowa) United StatesIowa1997 Corn (maize), and Soybean chlorimuron-ethyl, and imazethapyr 45 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		95Helianthus annuusCommon Sunflower5230
6 United States (Texas) United StatesTexas2015 Corn (maize) glyphosate 45 Inhibition of Enolpyruvyl Shikimate Phosphate Synthase HRAC Group 9 (Legacy G)
 		95Helianthus annuusCommon Sunflower15062
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