International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
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Herbicide Resistant Russian-thistle Globally
(Salsola tragus)
Herbicide Resistant Russian-thistle Globally
(Salsola tragus)
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Herbicide Resistant Russian-thistle Globally
(Salsola tragus)
#CountryFirstYearSituationActive IngredientsSite of Action
1 ArgentinaArgentina 2019 Soybean glyphosate 48 Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9)
147Salsola tragusRussian-thistle19218
2 Canada (Saskatchewan) CanadaSaskatchewan1989 Wheat chlorsulfuron 7 Inhibition of Acetolactate Synthase (B/2)
147Salsola tragusRussian-thistle5067
3 Canada (Alberta) CanadaAlberta2007 Spring Barley, and Wheat thifensulfuron-methyl, and tribenuron-methyl 7 Inhibition of Acetolactate Synthase (B/2)
147Salsola tragusRussian-thistle7831
4 United States (Washington) United StatesWashington1987 Wheat chlorsulfuron 45 Inhibition of Acetolactate Synthase (B/2)
147Salsola tragusRussian-thistle231
5 United States (Montana) United StatesMontana1987 Cropland, and Wheat chlorsulfuron 45 Inhibition of Acetolactate Synthase (B/2)
147Salsola tragusRussian-thistle411
6 United States (Idaho) United StatesIdaho1990 Wheat chlorsulfuron 45 Inhibition of Acetolactate Synthase (B/2)
147Salsola tragusRussian-thistle512
7 United States (Oregon) United StatesOregon1993 Wheat chlorsulfuron, metsulfuron-methyl, and triasulfuron 45 Inhibition of Acetolactate Synthase (B/2)
147Salsola tragusRussian-thistle1173
8 United States (California) United StatesCalifornia1994 Roadsides chlorsulfuron, and sulfometuron-methyl 45 Inhibition of Acetolactate Synthase (B/2)
147Salsola tragusRussian-thistle1036
9 United States (Montana) United StatesMontana2015 Fallow, and Wheat glyphosate 45 Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9)
147Salsola tragusRussian-thistle12032
10 United States (Washington) United StatesWashington2015 Fallow glyphosate 45 Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9)
147Salsola tragusRussian-thistle18160
11 United States (Oregon) United StatesOregon2016 Fallow glyphosate 45 Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9)
147Salsola tragusRussian-thistle13055
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Thursday, June 24, 2021 .  Available  www.weedscience.org
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