International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
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Herbicide Resistant Weeds in South Carolina, United States.
#YearSpeciesSite of ActionActivesContacts
1 266Goosegrass1974Eleusine indica
Goosegrass
United States
(South Carolina)
South Carolina  Inhibition of Microtubule Assembly (K1/3) Inhibition of Microtubule Assembly (K1/3) trifluralin Billy Gossett : retired, Michael Marshall
2 265Common cocklebur1985Xanthium strumarium
Common cocklebur
United States
(South Carolina)
South Carolina  Nucleic acid inhibitors (Z/17) Nucleic acid inhibitors (Z/17) DSMA, MSMA Billy Gossett : retired, Michael Marshall
3 267Palmer Amaranth1989Amaranthus palmeri
Palmer Amaranth
United States
(South Carolina)
South Carolina  Inhibition of Microtubule Assembly (K1/3) Inhibition of Microtubule Assembly (K1/3) trifluralin Billy Gossett : retired, Michael Marshall
4 268Italian Ryegrass1990Lolium perenne ssp. multiflorum
Italian Ryegrass
United States
(South Carolina)
South Carolina  Inhibition of Acetyl CoA Carboxylase (A/1) Inhibition of Acetyl CoA Carboxylase (A/1) diclofop-methyl Billy Gossett : retired, Michael Marshall
5 1111Palmer Amaranth1997Amaranthus palmeri
Palmer Amaranth
United States
(South Carolina)
South Carolina  Inhibition of Acetolactate Synthase (B/2) Inhibition of Acetolactate Synthase (B/2) imazapic, imazaquin, imazethapyr Billy Gossett : retired, Michael Marshall
6 7780Palmer Amaranth2006Amaranthus palmeri
Palmer Amaranth
United States
(South Carolina)
South Carolina  Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9) Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9) glyphosate Michael Marshall
7 7781Palmer Amaranth2010Amaranthus palmeri
Palmer Amaranth
United States
(South Carolina)
South Carolina  Inhibition of Acetolactate Synthase (B/2), Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9) Multiple Resistance: 2 Sites of Action
Inhibition of Acetolactate Synthase (B/2)
Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9)
glyphosate, pyrithiobac-sodium, thifensulfuron-methyl, trifloxysulfuron-Na Michael Marshall
8 7782Italian Ryegrass2010Lolium perenne ssp. multiflorum
Italian Ryegrass
United States
(South Carolina)
South Carolina  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)
diclofop-methyl, mesosulfuron-methyl, pyroxsulam Michael Marshall
Contributing Weed Scientists
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Monday, November 11, 2024 .  Available  www.weedscience.org
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