INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
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Herbicide Resistant Wild Buckwheat Globally
(Polygonum convolvulus (=Fallopia convolvulus))
Herbicide Resistant Wild Buckwheat Globally
(Polygonum convolvulus (=Fallopia convolvulus))
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Herbicide Resistant Wild Buckwheat Globally
(Polygonum convolvulus (=Fallopia convolvulus))
#CountryFirstYearSituationActive IngredientsSite of Action
1 Australia (Queensland) AustraliaQueensland1993 Wheat chlorsulfuron 1 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		88Polygonum convolvulus (=Fallopia convolvulus)Wild Buckwheat9
2 AustriaAustria 1980 Corn (maize) atrazine 2 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		88Polygonum convolvulus (=Fallopia convolvulus)Wild Buckwheat434
3 Canada (Alberta) CanadaAlberta2007 Peas, and Wheat florasulam, thifensulfuron-methyl, and tribenuron-methyl 7 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		88Polygonum convolvulus (=Fallopia convolvulus)Wild Buckwheat5379
4 GermanyGermany 1988 Corn (maize) atrazine 18 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		88Polygonum convolvulus (=Fallopia convolvulus)Wild Buckwheat446
5 United States (Kansas) United StatesKansas2020 Wheat chlorsulfuron 45 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		88Polygonum convolvulus (=Fallopia convolvulus)Wild Buckwheat31269
HRAC Global Heap, I.  The International Herbicide-Resistant Weed Database.  Online.  Sunday, October 4, 2026.  Available at  www.weedscience.org

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