International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
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Herbicide Resistant Rice Flatsedge Globally
(Cyperus iria)
Herbicide Resistant Rice Flatsedge Globally
(Cyperus iria)
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Herbicide Resistant Rice Flatsedge Globally
(Cyperus iria)
#CountryFirstYearSituationActive IngredientsSite of Action
1 BrazilBrazil 2014 Rice bispyribac-sodium, imazapic, imazethapyr, penoxsulam, and pyrazosulfuron-ethyl 5 ALS inhibitors (B/2)
266Cyperus iriaRice Flatsedge13040
2 United States (Arkansas) United StatesArkansas2010 Rice bispyribac-sodium, halosulfuron-methyl, imazamox, imazethapyr, and penoxsulam 45 ALS inhibitors (B/2)
266Cyperus iriaRice Flatsedge5560
3 United States (Louisiana) United StatesLouisiana2013 Rice halosulfuron-methyl 45 ALS inhibitors (B/2)
266Cyperus iriaRice Flatsedge7785
4 VenezuelaVenezuela 2015 Rice pyrazosulfuron-ethyl 80 ALS inhibitors (B/2)
266Cyperus iriaRice Flatsedge11015
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Friday, May 26, 2017 .  Available  www.weedscience.org
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