International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
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Herbicide Resistant Weeds in South Dakota, United States.
#YearSpeciesSite of ActionActivesContacts
1 269Kochia1988Kochia scoparia
Kochia
United States
(South Dakota)
South DakotaSD Inhibition of Acetolactate Synthase (B/2) Inhibition of Acetolactate Synthase (B/2) chlorsulfuron Leon Wrage : retired
2 1186Common Sunflower1996Helianthus annuus
Common Sunflower
United States
(South Dakota)
South DakotaSD Inhibition of Acetolactate Synthase (B/2) Inhibition of Acetolactate Synthase (B/2) imazethapyr Leon Wrage : retired
3 5635Common Ragweed2007Ambrosia artemisiifolia
Common Ragweed
United States
(South Dakota)
South Dakota  Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9) Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9) glyphosate Mike Moechnig
4 5636Kochia2009Kochia scoparia
Kochia
United States
(South Dakota)
South Dakota  Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9) Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9) glyphosate Mike Moechnig
5 5637Wild Oat2009Avena fatua
Wild Oat
United States
(South Dakota)
South Dakota  Inhibition of Acetyl CoA Carboxylase (A/1) Inhibition of Acetyl CoA Carboxylase (A/1) fenoxaprop-ethyl Mike Moechnig
6 5633Tall Waterhemp2010Amaranthus tuberculatus (=A. rudis)
Tall Waterhemp
United States
(South Dakota)
South Dakota  Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9) Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9) glyphosate Mike Moechnig
7 5634Horseweed2010Conyza canadensis
Horseweed
United States
(South Dakota)
South Dakota  Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9) Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9) glyphosate Mike Moechnig
8 5638Wild Oat2011Avena fatua
Wild Oat
United States
(South Dakota)
South Dakota  Inhibition of Acetolactate Synthase (B/2) Inhibition of Acetolactate Synthase (B/2) mesosulfuron-methyl Mike Moechnig
9 5663Wild Oat2012Avena fatua
Wild Oat
United States
(South Dakota)
South Dakota  Inhibition of Acetolactate Synthase (B/2), Inhibition of Acetyl CoA Carboxylase (A/1) Multiple Resistance: 2 Sites of Action
Inhibition of Acetolactate Synthase (B/2)
Inhibition of Acetyl CoA Carboxylase (A/1)
fenoxaprop-ethyl, mesosulfuron-methyl Mike Moechnig
Contributing Weed Scientists
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Sunday, November 28, 2021 .  Available  www.weedscience.org
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