INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
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Herbicide Resistant Giant Foxtail Globally
(Setaria faberi)
Herbicide Resistant Giant Foxtail Globally
(Setaria faberi)
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Herbicide Resistant Giant Foxtail Globally
(Setaria faberi)
#CountryFirstYearSituationActive IngredientsSite of Action
1 Canada (Ontario) CanadaOntario2003 Soybean imazethapyr 7 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		149Setaria faberiGiant Foxtail5210
2 SpainSpain 1987 Corn (maize) atrazine 38 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		149Setaria faberiGiant Foxtail184
3 United States (Maryland) United StatesMaryland1984 Corn (maize), and Cropland atrazine 45 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		149Setaria faberiGiant Foxtail428
4 United States (Wisconsin) United StatesWisconsin1991 Carrots, Corn (maize), Onions, and Sweet corn fluazifop-butyl, and sethoxydim 45 Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
 		149Setaria faberiGiant Foxtail415
5 United States (Iowa) United StatesIowa1992 Corn (maize) atrazine 45 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		149Setaria faberiGiant Foxtail241
6 United States (Iowa) United StatesIowa1994 Soybean clethodim, fenoxaprop-ethyl, fluazifop-butyl, quizalofop-ethyl, and sethoxydim 45 Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
 		149Setaria faberiGiant Foxtail1064
7 United States (Minnesota) United StatesMinnesota1996 Corn (maize), and Soybean imazethapyr, nicosulfuron, and primisulfuron-methyl 45 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		149Setaria faberiGiant Foxtail503
8 United States (Illinois) United StatesIllinois1998 Soybean clethodim, and fluazifop-butyl 45 Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
 		149Setaria faberiGiant Foxtail7863
9 United States (Wisconsin) United StatesWisconsin1999 Corn (maize), and Soybean imazethapyr, and nicosulfuron 45 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		149Setaria faberiGiant Foxtail1171
10 United States (Pennsylvania) United StatesPennsylvania2004 Corn (maize) foramsulfuron, imazamox, and nicosulfuron 45 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		149Setaria faberiGiant Foxtail5259
11 United States (Indiana) United StatesIndiana2004 Corn (maize) nicosulfuron, and rimsulfuron 45 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		149Setaria faberiGiant Foxtail5520
12 United States (Michigan) United StatesMichigan2006 Corn (maize), and Soybean foramsulfuron, imazethapyr, and nicosulfuron 45 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		149Setaria faberiGiant Foxtail5290
13 United States (Illinois) United StatesIllinois2007 Corn (maize), and Soybean imazethapyr, and nicosulfuron 45 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		149Setaria faberiGiant Foxtail7862
HRAC Global Heap, I.  The International Herbicide-Resistant Weed Database.  Online.  Saturday, October 3, 2026.  Available at  www.weedscience.org

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