INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
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Herbicide Resistant Field Pennycress Globally
(Thlaspi arvense)
Herbicide Resistant Field Pennycress Globally
(Thlaspi arvense)
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Herbicide Resistant Field Pennycress Globally
(Thlaspi arvense)
#CountryFirstYearSituationActive IngredientsSite of Action
1 Canada (Alberta) CanadaAlberta2001 Canola, Peas, Spring Barley, and Wheat ethametsulfuron-methyl, imazethapyr, metsulfuron-methyl, and thifensulfuron-methyl 7 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		204Thlaspi arvenseField Pennycress5097
2 Canada (Manitoba) CanadaManitoba2008 Wheat thifensulfuron-methyl, and tribenuron-methyl 7 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		204Thlaspi arvenseField Pennycress5624
3 Canada (Saskatchewan) CanadaSaskatchewan2009 Wheat thifensulfuron-methyl, and tribenuron-methyl 7 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		204Thlaspi arvenseField Pennycress5626
HRAC Global Heap, I.  The International Herbicide-Resistant Weed Database.  Online.  Wednesday, September 23, 2026.  Available at  www.weedscience.org

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