International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
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Herbicide Resistant Kochia Globally
(Kochia scoparia)
Herbicide Resistant Kochia Globally
(Kochia scoparia)
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Herbicide Resistant Kochia Globally
(Kochia scoparia)
#CountryFirstYearSituationActive IngredientsSite of Action
1 Canada (Manitoba) CanadaManitoba1988 Industrial sites, Spring Barley, and Wheat chlorsulfuron, imazethapyr, metsulfuron-methyl, thifensulfuron-methyl, triasulfuron, and tribenuron-methyl 7 ALS inhibitors (B/2)
101Kochia scopariaKochia57
2 Canada (Saskatchewan) CanadaSaskatchewan1988 Cropland, and Wheat thifensulfuron-methyl, and tribenuron-methyl 7 ALS inhibitors (B/2)
101Kochia scopariaKochia5069
3 Canada (Alberta) CanadaAlberta1989 Spring Barley, and Wheat chlorsulfuron, metsulfuron-methyl, thifensulfuron-methyl, and tribenuron-methyl 7 ALS inhibitors (B/2)
101Kochia scopariaKochia65
4 Canada (Alberta) CanadaAlberta2012 Spring Barley, and Wheat glyphosate, thifensulfuron-methyl, and tribenuron-methyl 7 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
101Kochia scopariaKochia5592
5 Canada (Saskatchewan) CanadaSaskatchewan2012 Canola, Spring Barley, and Wheat glyphosate, thifensulfuron-methyl, and tribenuron-methyl 7 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
101Kochia scopariaKochia7834
6 Canada (Manitoba) CanadaManitoba2014 Corn (maize), and Soybean glyphosate, thifensulfuron-methyl, and tribenuron-methyl 7 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
101Kochia scopariaKochia9942
7 Canada (Saskatchewan) CanadaSaskatchewan2015 Spring wheat dicamba, fluroxypyr, thifensulfuron-methyl, and tribenuron-methyl 7 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
Synthetic Auxins (O/4)
101Kochia scopariaKochia11032
8 Czech RepublicCzech Republic 1996 Railways, and Roadsides atrazine, chlorsulfuron, imazapyr, metsulfuron-methyl, nicosulfuron, prosulfuron, rimsulfuron, sulfosulfuron, thifensulfuron-methyl, tribenuron-methyl, and triflusulfuron-methyl 12 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
Photosystem II inhibitors (C1/5)
101Kochia scopariaKochia5050
9 United States (Kansas) United StatesKansas1976 Corn (maize), and Railways atrazine 45 Photosystem II inhibitors (C1/5)
101Kochia scopariaKochia1070
10 United States (Colorado) United StatesColorado1982 Corn (maize) atrazine 45 Photosystem II inhibitors (C1/5)
101Kochia scopariaKochia431
11 United States (Montana) United StatesMontana1984 Railways atrazine 45 Photosystem II inhibitors (C1/5)
101Kochia scopariaKochia414
12 United States (Wyoming) United StatesWyoming1984 Corn (maize) atrazine 45 Photosystem II inhibitors (C1/5)
101Kochia scopariaKochia1051
13 United States (Iowa) United StatesIowa1985 Railways atrazine 45 Photosystem II inhibitors (C1/5)
101Kochia scopariaKochia243
14 United States (Wisconsin) United StatesWisconsin1987 Corn (maize), and Railways atrazine 45 Photosystem II inhibitors (C1/5)
101Kochia scopariaKochia416
15 United States (North Dakota) United StatesNorth Dakota1987 Cropland, and Wheat chlorsulfuron, and metsulfuron-methyl 45 ALS inhibitors (B/2)
101Kochia scopariaKochia423
16 United States (Kansas) United StatesKansas1987 Cropland, and Wheat chlorsulfuron 45 ALS inhibitors (B/2)
101Kochia scopariaKochia1042
17 United States (New Mexico) United StatesNew Mexico1988 Railways, and Roadsides sulfometuron-methyl 45 ALS inhibitors (B/2)
101Kochia scopariaKochia256
18 United States (South Dakota) United StatesSouth Dakota1988 Cropland, and Wheat chlorsulfuron 45 ALS inhibitors (B/2)
101Kochia scopariaKochia269
19 United States (Idaho) United StatesIdaho1989 Roadsides, and Wheat chlorsulfuron 45 ALS inhibitors (B/2)
101Kochia scopariaKochia232
20 United States (Montana) United StatesMontana1989 Cropland, and Wheat chlorsulfuron, and metsulfuron-methyl 45 ALS inhibitors (B/2)
101Kochia scopariaKochia420
21 United States (Washington) United StatesWashington1989 Cereals, and Wheat chlorsulfuron 45 ALS inhibitors (B/2)
101Kochia scopariaKochia517
22 United States (Colorado) United StatesColorado1989 Roadsides, and Wheat metsulfuron-methyl, and triasulfuron 45 ALS inhibitors (B/2)
101Kochia scopariaKochia1049
23 United States (Illinois) United StatesIllinois1992 Cropland, and Railways atrazine 45 Photosystem II inhibitors (C1/5)
101Kochia scopariaKochia238
24 United States (Oklahoma) United StatesOklahoma1992 Roadsides, and Wheat chlorsulfuron, metsulfuron-methyl, and sulfometuron-methyl 45 ALS inhibitors (B/2)
101Kochia scopariaKochia1069
25 United States (Oregon) United StatesOregon1993 Wheat chlorsulfuron, metsulfuron-methyl, and triasulfuron 45 ALS inhibitors (B/2)
101Kochia scopariaKochia1175
26 United States (Minnesota) United StatesMinnesota1994 Cropland, and Wheat imazethapyr, thifensulfuron-methyl, and tribenuron-methyl 45 ALS inhibitors (B/2)
101Kochia scopariaKochia248
27 United States (Montana) United StatesMontana1994 Cropland, and Wheat dicamba, and fluroxypyr 45 Synthetic Auxins (O/4)
101Kochia scopariaKochia532
28 United States (Indiana) United StatesIndiana1995 Railways atrazine, cyanazine, and metsulfuron-methyl 45 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
Photosystem II inhibitors (C1/5)
101Kochia scopariaKochia405
29 United States (North Dakota) United StatesNorth Dakota1995 Wheat dicamba 45 Synthetic Auxins (O/4)
101Kochia scopariaKochia1047
30 United States (Illinois) United StatesIllinois1995 Corn (maize), Cropland, and Wheat atrazine, and metsulfuron-methyl 45 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
Photosystem II inhibitors (C1/5)
101Kochia scopariaKochia1126
31 United States (Wisconsin) United StatesWisconsin1995 Roadsides sulfometuron-methyl 45 ALS inhibitors (B/2)
101Kochia scopariaKochia1169
32 United States (Wyoming) United StatesWyoming1996 Wheat metsulfuron-methyl 45 ALS inhibitors (B/2)
101Kochia scopariaKochia1050
33 United States (Idaho) United StatesIdaho1997 Roadsides dicamba 45 Synthetic Auxins (O/4)
101Kochia scopariaKochia1058
34 United States (Utah) United StatesUtah1998 Industrial sites sulfometuron-methyl 45 ALS inhibitors (B/2)
101Kochia scopariaKochia1090
35 United States (North Dakota) United StatesNorth Dakota1998 Corn (maize) atrazine 45 Photosystem II inhibitors (C1/5)
101Kochia scopariaKochia1192
36 United States (Texas) United StatesTexas1998 Wheat metsulfuron-methyl 45 ALS inhibitors (B/2)
101Kochia scopariaKochia5063
37 United States (Colorado) United StatesColorado1999 Corn (maize) dicamba 45 Synthetic Auxins (O/4)
101Kochia scopariaKochia7868
38 United States (North Dakota) United StatesNorth Dakota2004 Railways diuron, metribuzin, and tebuthiuron 45 Multiple Resistance: 2 Sites of Action
Photosystem II inhibitors (C1/5)
PSII inhibitor (Ureas and amides) (C2/7)
101Kochia scopariaKochia10986
39 United States (Michigan) United StatesMichigan2005 Sugar beets imazamox, and triflusulfuron-methyl 45 ALS inhibitors (B/2)
101Kochia scopariaKochia5287
40 United States (Kansas) United StatesKansas2007 Corn (maize), Cotton, and Soybean glyphosate 45 EPSP synthase inhibitors (G/9)
101Kochia scopariaKochia5470
41 United States (Nebraska) United StatesNebraska2009 Corn (maize) dicamba 45 Synthetic Auxins (O/4)
101Kochia scopariaKochia5594
42 United States (South Dakota) United StatesSouth Dakota2009 Corn (maize), and Soybean glyphosate 45 EPSP synthase inhibitors (G/9)
101Kochia scopariaKochia5636
43 United States (Nebraska) United StatesNebraska2011 Corn (maize), and Soybean glyphosate 45 EPSP synthase inhibitors (G/9)
101Kochia scopariaKochia5585
44 United States (North Dakota) United StatesNorth Dakota2012 Corn (maize), and Soybean glyphosate 45 EPSP synthase inhibitors (G/9)
101Kochia scopariaKochia5683
45 United States (Montana) United StatesMontana2012 Cereals glyphosate 45 EPSP synthase inhibitors (G/9)
101Kochia scopariaKochia5711
46 United States (Colorado) United StatesColorado2012 Cereals glyphosate 45 EPSP synthase inhibitors (G/9)
101Kochia scopariaKochia5714
47 United States (Oklahoma) United StatesOklahoma2013 Corn (maize) glyphosate 45 EPSP synthase inhibitors (G/9)
101Kochia scopariaKochia6755
48 United States (Montana) United StatesMontana2013 Wheat glyphosate, metsulfuron-methyl, thifensulfuron-methyl, and tribenuron-methyl 45 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
101Kochia scopariaKochia7810
49 United States (Kansas) United StatesKansas2013 Corn (maize) atrazine, chlorsulfuron, dicamba, and glyphosate 45 Multiple Resistance: 4 Sites of Action
ALS inhibitors (B/2)
Photosystem II inhibitors (C1/5)
EPSP synthase inhibitors (G/9)
Synthetic Auxins (O/4)
101Kochia scopariaKochia10972
50 United States (Kansas) United StatesKansas2013 Corn (maize), and Sorghum dicamba, and glyphosate 45 Multiple Resistance: 2 Sites of Action
EPSP synthase inhibitors (G/9)
Synthetic Auxins (O/4)
101Kochia scopariaKochia10973
51 United States (Nebraska) United StatesNebraska2014 Corn (maize) atrazine 45 Photosystem II inhibitors (C1/5)
101Kochia scopariaKochia9926
52 United States (Oregon) United StatesOregon2014 Corn (maize), and Sugar beets glyphosate 45 EPSP synthase inhibitors (G/9)
101Kochia scopariaKochia9944
53 United States (Idaho) United StatesIdaho2014 Corn (maize), and Sugar beets glyphosate 45 EPSP synthase inhibitors (G/9)
101Kochia scopariaKochia9945
54 United States (Wyoming) United StatesWyoming2014 Sugar beets glyphosate 45 EPSP synthase inhibitors (G/9)
101Kochia scopariaKochia10961
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