International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
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Herbicide Resistant Wild Poinsettia Globally
(Euphorbia heterophylla)
Herbicide Resistant Wild Poinsettia Globally
(Euphorbia heterophylla)
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Herbicide Resistant Wild Poinsettia Globally
(Euphorbia heterophylla)
#CountryFirstYearSituationActive IngredientsSite of Action
1 BrazilBrazil 1993 Soybean chlorimuron-ethyl, cloransulam-methyl, imazamox, imazaquin, and imazethapyr 5 ALS inhibitors (B/2)
87Euphorbia heterophyllaWild Poinsettia5294
2 BrazilBrazil 2004 Corn (maize), and Soybean acifluorfen-sodium, cloransulam-methyl, diclosulam, flumetsulam, flumiclorac-pentyl, fomesafen, imazethapyr, lactofen, metsulfuron-methyl, nicosulfuron, and saflufenacil 5 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
PPO inhibitors (E/14)
87Euphorbia heterophyllaWild Poinsettia5215
3 EcuadorEcuador 1990 Corn (maize), and Soybean linuron 14 PSII inhibitor (Ureas and amides) (C2/7)
87Euphorbia heterophyllaWild Poinsettia87
4 ParaguayParaguay 1995 Soybean imazethapyr 46 ALS inhibitors (B/2)
87Euphorbia heterophyllaWild Poinsettia1162
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Wednesday, March 29, 2017 .  Available  www.weedscience.org
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