INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
select
select
Herbicide Resistant Birdsrape Mustard Globally
(Brassica rapa (=B. campestris))
Herbicide Resistant Birdsrape Mustard Globally
(Brassica rapa (=B. campestris))
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Herbicide Resistant Birdsrape Mustard Globally
(Brassica rapa (=B. campestris))
#CountryFirstYearSituationActive IngredientsSite of Action
1 ArgentinaArgentina 2012 Soybean, and Wheat diclosulam, glyphosate, imazapyr, and metsulfuron-methyl 48 Multiple Resistance: 2 Sites of Action
Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
Inhibition of Enolpyruvyl Shikimate Phosphate Synthase HRAC Group 9 (Legacy G)
 		36Brassica rapa (=B. campestris)Birdsrape Mustard17120
2 ArgentinaArgentina 2015 Soybean, Wheat, and Winter barley 2,4-D 48 Auxin Mimics HRAC Group 4 (Legacy O)
 		36Brassica rapa (=B. campestris)Birdsrape Mustard18175
3 Canada (Quebec) CanadaQuebec1977 Corn (maize) atrazine 7 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		36Brassica rapa (=B. campestris)Birdsrape Mustard433
4 Canada (Quebec) CanadaQuebec2017 Corn (maize), and Soybean glyphosate 7 Inhibition of Enolpyruvyl Shikimate Phosphate Synthase HRAC Group 9 (Legacy G)
 		36Brassica rapa (=B. campestris)Birdsrape Mustard17130
5 MexicoMexico 2021 Winter barley, and Winter wheat 2,4-D, fluroxypyr, glyphosate, iodosulfuron-methyl-Na, MCPA, mesosulfuron-methyl, and tribenuron-methyl 29 Multiple Resistance: 3 Sites of Action
Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
Inhibition of Enolpyruvyl Shikimate Phosphate Synthase HRAC Group 9 (Legacy G)
Auxin Mimics HRAC Group 4 (Legacy O)
 		36Brassica rapa (=B. campestris)Birdsrape Mustard31268
HRAC Global Heap, I.  The International Herbicide-Resistant Weed Database.  Online.  Friday, October 2, 2026.  Available at  www.weedscience.org

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