International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
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Herbicide Resistant Ragweed Parthenium Globally
(Parthenium hysterophorus)
Herbicide Resistant Ragweed Parthenium Globally
(Parthenium hysterophorus)
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Herbicide Resistant Ragweed Parthenium Globally
(Parthenium hysterophorus)
#CountryFirstYearSituationActive IngredientsSite of Action
1 BrazilBrazil 2004 Soybean chlorimuron-ethyl, cloransulam-methyl, foramsulfuron, imazethapyr, and iodosulfuron-methyl-sodium 5 ALS inhibitors (B/2)
124Parthenium hysterophorusRagweed Parthenium5238
2 ColombiaColombia 2004 Fruit glyphosate 10 EPSP synthase inhibitors (G/9)
124Parthenium hysterophorusRagweed Parthenium5380
3 United States (Florida) United StatesFlorida2014 Fallow, Industrial sites, Railways, and Roadsides glyphosate 45 EPSP synthase inhibitors (G/9)
124Parthenium hysterophorusRagweed Parthenium11003
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Thursday, March 30, 2017 .  Available  www.weedscience.org
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