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 Canada (Saskatchewan) CanadaSaskatchewan1989 Wheat chlorsulfuron 7 ALS inhibitors (B/2)
147Salsola tragusRussian-thistle5067
2 Canada (Alberta) CanadaAlberta2007 Spring Barley, and Wheat thifensulfuron-methyl, and tribenuron-methyl 7 ALS inhibitors (B/2)
147Salsola tragusRussian-thistle7831
3 United States (Washington) United StatesWashington1987 Wheat chlorsulfuron 45 ALS inhibitors (B/2)
147Salsola tragusRussian-thistle231
4 United States (Montana) United StatesMontana1987 Cropland, and Wheat chlorsulfuron 45 ALS inhibitors (B/2)
147Salsola tragusRussian-thistle411
5 United States (Idaho) United StatesIdaho1990 Wheat chlorsulfuron 45 ALS inhibitors (B/2)
147Salsola tragusRussian-thistle512
6 United States (Oregon) United StatesOregon1993 Wheat chlorsulfuron, metsulfuron-methyl, and triasulfuron 45 ALS inhibitors (B/2)
147Salsola tragusRussian-thistle1173
7 United States (California) United StatesCalifornia1994 Roadsides chlorsulfuron, and sulfometuron-methyl 45 ALS inhibitors (B/2)
147Salsola tragusRussian-thistle1036
8 United States (Montana) United StatesMontana2015 Fallow, and Wheat glyphosate 45 EPSP synthase inhibitors (G/9)
147Salsola tragusRussian-thistle12032
9 United States (Oregon) United StatesOregon2016 Fallow glyphosate 45 EPSP synthase inhibitors (G/9)
147Salsola tragusRussian-thistle13055
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Monday, April 24, 2017 .  Available  www.weedscience.org
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