International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
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Herbicide Resistant Weeds in Alabama, United States.
#YearSpeciesSite of ActionActivesContacts
1 1166Annual Bluegrass1980Poa annua
Annual Bluegrass
United States
(Alabama)
AlabamaAL Photosystem II inhibitors (C1/5) Photosystem II inhibitors (C1/5) simazine Robert Walker
2 223Goosegrass1987Eleusine indica
Goosegrass
United States
(Alabama)
AlabamaAL Microtubule inhibitors (K1/3) Microtubule inhibitors (K1/3) trifluralin Mike Patterson : retired
3 224Common cocklebur1988Xanthium strumarium
Common cocklebur
United States
(Alabama)
AlabamaAL Nucleic acid inhibitors (Z/17) Nucleic acid inhibitors (Z/17) DSMA, MSMA Mike Patterson : retired
4 5388Palmer Amaranth2008Amaranthus palmeri
Palmer Amaranth
United States
(Alabama)
Alabama  EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Mike Patterson : retired
5 5644Annual Bluegrass2012Poa annua
Annual Bluegrass
United States
(Alabama)
AlabamaAlabama ALS inhibitors (B/2) ALS inhibitors (B/2) bispyribac-sodium, foramsulfuron, imazaquin, trifloxysulfuron-sodium Robert Walker, Scott Mcelroy
6 5695Annual Bluegrass2012Poa annua
Annual Bluegrass
United States
(Alabama)
Alabama  Microtubule inhibitors (K1/3) Microtubule inhibitors (K1/3) dithiopyr, pendimethalin, prodiamine Scott Mcelroy
7 7783Horseweed2013Conyza canadensis
Horseweed
United States
(Alabama)
Alabama  EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Scott Mcelroy
8 7784Common Ragweed2013Ambrosia artemisiifolia
Common Ragweed
United States
(Alabama)
Alabama  EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Scott Mcelroy
9 11012Annual Sedge2015Cyperus compressus
Annual Sedge
United States
(Alabama)
Alabama  ALS inhibitors (B/2) ALS inhibitors (B/2) halosulfuron-methyl, imazapic, sulfometuron-methyl, trifloxysulfuron-sodium Scott Mcelroy
Contributing Weed Scientists
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Wednesday, September 18, 2019 .  Available  www.weedscience.org
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