INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
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Weeds Resistant to Inhibition of Microtubule Assembly HRAC Group 3 (Legacy K1)
by species and country
Weeds Resistant to Inhibition of Microtubule Assembly HRAC Group 3 (Legacy K1)
by species and country
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Weeds Resistant to Inhibition of Microtubule Assembly HRAC Group 3 (Legacy K1)
by species and country
#SpeciesCountryFirst Year
1 Alopecurus aequalis
Shortawn Foxtail 		2004 - Japan *Multiple - 2 SOA's
2005 - Japan
2004264Alopecurus aequalisShortawn FoxtailK1153Inhibition of Microtubule Assembly
2 Alopecurus myosuroides
Blackgrass 		1987 - United Kingdom
1996 - Belgium *Multiple - 4 SOA's
2001 - Denmark *Multiple - 3 SOA's
 		19876Alopecurus myosuroidesBlackgrassK1153Inhibition of Microtubule Assembly
3 Amaranthus palmeri
Palmer Amaranth 		1989 - United States (South Carolina)
1998 - United States (Tennessee)
2016 - United States (Arkansas) *Multiple - 5 SOA's
 		198914Amaranthus palmeriPalmer AmaranthK1153Inhibition of Microtubule Assembly
4 Avena fatua
Wild Oat 		1990 - United States (Oregon)
199028Avena fatuaWild OatK1153Inhibition of Microtubule Assembly
5 Beckmannia syzigachne
American Sloughgrass 		2010 - Japan
201031Beckmannia syzigachneAmerican SloughgrassK1153Inhibition of Microtubule Assembly
6 Echinochloa crus-galli var. crus-galli
Barnyardgrass 		1992 - Bulgaria
199279Echinochloa crus-galli var. crus-galliBarnyardgrassK1153Inhibition of Microtubule Assembly
7 Eleusine indica
Goosegrass 		1973 - United States (North Carolina)
1974 - United States (South Carolina)
1987 - United States (Alabama)
1988 - United States (Tennessee)
1989 - United States (Arkansas)
1992 - United States (Georgia)
1994 - United States (Mississippi)
197381Eleusine indicaGoosegrassK1153Inhibition of Microtubule Assembly
8 Fumaria densiflora
Dense-flowered Fumitory 		1999 - Australia (New South Wales )
1999191Fumaria densifloraDense-flowered FumitoryK1153Inhibition of Microtubule Assembly
9 Lolium rigidum
Rigid Ryegrass 		1982 - Australia (South Australia) *Multiple - 6 SOA's
1982 - Australia (Western Australia) *Multiple - 3 SOA's
1984 - Australia (Victoria) *Multiple - 3 SOA's
1984 - Australia (Western Australia)
1985 - Australia (New South Wales ) *Multiple - 3 SOA's
1994 - Australia (South Australia)
1999 - Australia (Victoria) *Multiple - 4 SOA's
 		1982112Lolium rigidumRigid RyegrassK1153Inhibition of Microtubule Assembly
10 Poa annua
Annual Bluegrass 		1997 - United States (North Carolina)
2007 - United States (Tennessee)
2012 - United States (Alabama)
2017 - Australia (New South Wales )
2017 - Australia (New South Wales ) *Multiple - 5 SOA's
2017 - Australia (South Australia)
2017 - Australia (Victoria)
2017 - United States (Tennessee) *Multiple - 7 SOA's
 		1997130Poa annuaAnnual BluegrassK1153Inhibition of Microtubule Assembly
11 Setaria viridis
Green Foxtail 		1988 - Canada (Manitoba)
1989 - Canada (Alberta)
1989 - United States (North Dakota)
1991 - Canada (Saskatchewan)
1992 - Canada (Manitoba) *Multiple - 2 SOA's
1996 - Canada (Saskatchewan) *Multiple - 2 SOA's
 		1988153Setaria viridisGreen FoxtailK1153Inhibition of Microtubule Assembly
12 Sorghum halepense
Johnsongrass 		1992 - United States (Mississippi)
1992166Sorghum halepenseJohnsongrassK1153Inhibition of Microtubule Assembly
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