INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
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Herbicide Resistant Blackgrass Globally
(Alopecurus myosuroides)
Herbicide Resistant Blackgrass Globally
(Alopecurus myosuroides)
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Herbicide Resistant Blackgrass Globally
(Alopecurus myosuroides)
#CountryFirstYearSituationActive IngredientsSite of Action
1 BelgiumBelgium 1996 Winter wheat clodinafop-propargyl, and fenoxaprop-ethyl 3 Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
6Alopecurus myosuroidesBlackgrass501
2 BelgiumBelgium 1996 Wheat isoproturon 3 PSII inhibitors - Serine 264 Binders HRAC Group 7 (Legacy C1 C2)
6Alopecurus myosuroidesBlackgrass502
3 BelgiumBelgium 1996 Winter wheat atrazine, chlorotoluron, clodinafop-propargyl, fenoxaprop-ethyl, flupyrsulfuron-methyl-Na, pendimethalin, and propaquizafop 3 Multiple Resistance: 5 Sites of Action
Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
PSII inhibitors - Serine 264 Binders HRAC Group 7 (Legacy C1 C2)
Inhibition of Microtubule Assembly 2HRAC Group 3 (Legacy K1)
6Alopecurus myosuroidesBlackgrass5043
4 Czech RepublicCzech Republic 2008 Wheat chlorsulfuron 12 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
6Alopecurus myosuroidesBlackgrass7871
5 DenmarkDenmark 2001 Winter wheat fenoxaprop-ethyl 13 Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
6Alopecurus myosuroidesBlackgrass5347
6 DenmarkDenmark 2001 Winter wheat clodinafop-propargyl, cycloxydim, fenoxaprop-ethyl, florasulam, flupyrsulfuron-methyl-Na, iodosulfuron-methyl-Na, mesosulfuron-methyl, pendimethalin, and pyroxsulam 13 Multiple Resistance: 3 Sites of Action
Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
Inhibition of Microtubule Assembly 2HRAC Group 3 (Legacy K1)
6Alopecurus myosuroidesBlackgrass5675
7 FranceFrance 1993 Wheat clodinafop-propargyl, cycloxydim, diclofop-methyl, fenoxaprop-ethyl, haloxyfop-methyl, and sethoxydim 17 Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
6Alopecurus myosuroidesBlackgrass546
8 FranceFrance 2003 Wheat clodinafop-propargyl, diclofop-methyl, fenoxaprop-ethyl, iodosulfuron-methyl-Na, mesosulfuron-methyl, and sethoxydim 17 Multiple Resistance: 2 Sites of Action
Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
6Alopecurus myosuroidesBlackgrass17116
9 FranceFrance 2006 Wheat imazamethabenz-methyl, iodosulfuron-methyl-Na, and mesosulfuron-methyl 17 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
6Alopecurus myosuroidesBlackgrass5329
10 GermanyGermany 1983 Sugar beets, and Wheat chlorotoluron, fenoxaprop-ethyl, and isoproturon 18 Multiple Resistance: 2 Sites of Action
Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
PSII inhibitors - Serine 264 Binders HRAC Group 7 (Legacy C1 C2)
6Alopecurus myosuroidesBlackgrass369
11 GermanyGermany 2001 Wheat flupyrsulfuron-methyl-Na 18 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
6Alopecurus myosuroidesBlackgrass5154
12 GermanyGermany 2003 Sugar beets, and Winter wheat clethodim, cycloxydim, fenoxaprop-ethyl, and fluazifop-butyl 18 Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
6Alopecurus myosuroidesBlackgrass5237
13 GermanyGermany 2007 Wheat chlorotoluron, fenoxaprop-ethyl, flufenacet, isoproturon, mesosulfuron-methyl, and pinoxaden 18 Multiple Resistance: 4 Sites of Action
Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
PSII inhibitors - Serine 264 Binders HRAC Group 7 (Legacy C1 C2)
Very Long-Chain Fatty Acid Synthesis inhibitorsHRAC Group 15 (Legacy K3 N)
6Alopecurus myosuroidesBlackgrass5361
14 GermanyGermany 2009 Cereals cycloxydim, fenoxaprop-ethyl, flupyrsulfuron-methyl-Na, mesosulfuron-methyl, and pinoxaden 18 Multiple Resistance: 2 Sites of Action
Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
6Alopecurus myosuroidesBlackgrass5536
15 IsraelIsrael 1979 Roadsides methabenzthiazuron 23 PSII inhibitors - Serine 264 Binders HRAC Group 7 (Legacy C1 C2)
6Alopecurus myosuroidesBlackgrass94
16 ItalyItaly 2009 Durum wheat clodinafop-propargyl, fenoxaprop-ethyl, and pinoxaden 24 Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
6Alopecurus myosuroidesBlackgrass5681
17 NetherlandsNetherlands 1989 Wheat chlorotoluron 43 PSII inhibitors - Serine 264 Binders HRAC Group 7 (Legacy C1 C2)
6Alopecurus myosuroidesBlackgrass221
18 NetherlandsNetherlands 1996 Winter wheat chlorotoluron, clodinafop-propargyl, fenoxaprop-ethyl, and isoproturon 43 Multiple Resistance: 2 Sites of Action
Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
PSII inhibitors - Serine 264 Binders HRAC Group 7 (Legacy C1 C2)
6Alopecurus myosuroidesBlackgrass5082
19 NetherlandsNetherlands 1999 Winter wheat clodinafop-propargyl, cycloxydim, fenoxaprop-ethyl, and penoxsulam 43 Multiple Resistance: 2 Sites of Action
Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
6Alopecurus myosuroidesBlackgrass5083
20 NetherlandsNetherlands 2010 Winter wheat florasulam, iodosulfuron-methyl-Na, mesosulfuron-methyl, and pyroxsulam 43 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
6Alopecurus myosuroidesBlackgrass10978
21 PolandPoland 2010 Winter wheat iodosulfuron-methyl-Na, and mesosulfuron-methyl 33 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
6Alopecurus myosuroidesBlackgrass5620
22 PolandPoland 2011 Winter wheat fenoxaprop-ethyl, and pinoxaden 33 Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
6Alopecurus myosuroidesBlackgrass6760
23 PolandPoland 2012 Winter wheat fenoxaprop-ethyl, iodosulfuron-methyl-Na, mesosulfuron-methyl, pinoxaden, and sulfometuron-methyl 33 Multiple Resistance: 2 Sites of Action
Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
6Alopecurus myosuroidesBlackgrass10969
24 SpainSpain 1991 Wheat chlorotoluron 38 PSII inhibitors - Serine 264 Binders HRAC Group 7 (Legacy C1 C2)
6Alopecurus myosuroidesBlackgrass188
25 SpainSpain 2015 Canola, Faba beans, Peas, Wheat, and Winter barley chlorotoluron, clodinafop-propargyl, cloransulam-methyl, iodosulfuron-methyl-Na, isoproturon, mesosulfuron-methyl, and pinoxaden 38 Multiple Resistance: 3 Sites of Action
Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
PSII inhibitors - Serine 264 Binders HRAC Group 7 (Legacy C1 C2)
6Alopecurus myosuroidesBlackgrass11014
26 SwedenSweden 2011 Winter wheat clodinafop-propargyl, cycloxydim, and fenoxaprop-ethyl 40 Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
6Alopecurus myosuroidesBlackgrass8911
27 SwedenSweden 2011 Wheat fenoxaprop-ethyl, flupyrsulfuron-methyl-Na, prosulfocarb, and pyroxsulam 40 Multiple Resistance: 3 Sites of Action
Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
Very Long-Chain Fatty Acid Synthesis inhibitorsHRAC Group 8 (Legacy K3 N)
6Alopecurus myosuroidesBlackgrass8912
28 SwedenSweden 2014 Spring wheat, Winter barley, and Winter wheat cycloxydim, fenoxaprop-ethyl, flupyrsulfuron-methyl-Na, iodosulfuron-methyl-Na, mesosulfuron-methyl, and pyroxsulam 40 Multiple Resistance: 2 Sites of Action
Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
6Alopecurus myosuroidesBlackgrass10995
29 SwitzerlandSwitzerland 1997 Wheat, and Winter barley chlorotoluron, and isoproturon 41 PSII inhibitors - Serine 264 Binders HRAC Group 7 (Legacy C1 C2)
6Alopecurus myosuroidesBlackgrass1132
30 SwitzerlandSwitzerland 2019 Wheat, and Winter barley iodosulfuron-methyl-Na, mesosulfuron-methyl, and quizalofop-ethyl 41 Multiple Resistance: 2 Sites of Action
Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
6Alopecurus myosuroidesBlackgrass20228
31 TurkeyTurkey 2001 Wheat clodinafop-propargyl 71 Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
6Alopecurus myosuroidesBlackgrass5116
32 TurkeyTurkey 2008 clodinafop-propargyl, and pyroxsulam 71 Multiple Resistance: 2 Sites of Action
Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
6Alopecurus myosuroidesBlackgrass5403
33 United KingdomUnited Kingdom 1982 Canola, Cereals, and Wheat clethodim, clodinafop-propargyl, cycloxydim, diclofop-methyl, fenoxaprop-ethyl, fluazifop-butyl, pinoxaden, quizalofop-ethyl, and sethoxydim 44 Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
6Alopecurus myosuroidesBlackgrass357
34 United KingdomUnited Kingdom 1982 Cereals chlorotoluron, and isoproturon 44 PSII inhibitors - Serine 264 Binders HRAC Group 7 (Legacy C1 C2)
6Alopecurus myosuroidesBlackgrass507
35 United KingdomUnited Kingdom 1984 Wheat chlorsulfuron, flupyrsulfuron-methyl-Na, imazamethabenz-methyl, iodosulfuron-methyl-Na, mesosulfuron-methyl, propoxycarbazone-Na, and pyroxsulam 44 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
6Alopecurus myosuroidesBlackgrass323
36 United KingdomUnited Kingdom 1987 Wheat pendimethalin 44 Inhibition of Microtubule Assembly 2HRAC Group 3 (Legacy K1)
6Alopecurus myosuroidesBlackgrass329

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