International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
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Weeds Resistant to Inhibition of Protoporphyrinogen Oxidase (E/14)
by species and country
Weeds Resistant to Inhibition of Protoporphyrinogen Oxidase (E/14)
by species and country
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Weeds Resistant to Inhibition of Protoporphyrinogen Oxidase (E/14)
by species and country
#SpeciesCountryFirst Year
1 Acalypha australis
Asian Copperleaf
2011 - China
2011280Acalypha australisAsian CopperleafE814Inhibition of Protoporphyrinogen Oxidase
2 Amaranthus hybridus (syn: quitensis)
Smooth Pigweed
2005 - Bolivia
2021 - Argentina
200512Amaranthus hybridus (syn: quitensis)Smooth PigweedE814Inhibition of Protoporphyrinogen Oxidase
3 Amaranthus palmeri
Palmer Amaranth
2011 - United States (Arkansas) *Multiple - 2 SOA's
2015 - United States (Tennessee) *Multiple - 2 SOA's
2016 - United States (Arkansas) *Multiple - 5 SOA's
2016 - United States (Illinois) *Multiple - 2 SOA's
2021 - United States (Kansas) *Multiple - 6 SOA's
201114Amaranthus palmeriPalmer AmaranthE814Inhibition of Protoporphyrinogen Oxidase
4 Amaranthus retroflexus
Redroot Pigweed
2014 - Brazil
2017 - China *Multiple - 2 SOA's
2020 - United States (North Carolina) *Multiple - 2 SOA's
2022 - United States (North Carolina) *Multiple - 3 SOA's
201416Amaranthus retroflexusRedroot PigweedE814Inhibition of Protoporphyrinogen Oxidase
5 Amaranthus tuberculatus (=A. rudis)
Tall Waterhemp
2001 - United States (Kansas) *Multiple - 2 SOA's
2002 - United States (Illinois) *Multiple - 3 SOA's
2005 - United States (Missouri) *Multiple - 3 SOA's
2009 - United States (Illinois) *Multiple - 4 SOA's
2009 - United States (Iowa)
2014 - United States (Indiana)
2014 - United States (Minnesota)
2016 - United States (Illinois) *Multiple - 5 SOA's
2016 - United States (Minnesota) *Multiple - 2 SOA's
2016 - United States (Nebraska) *Multiple - 4 SOA's
2016 - United States (Wisconsin) *Multiple - 2 SOA's
2017 - Canada (Ontario) *Multiple - 4 SOA's
2020 - United States (North Carolina) *Multiple - 5 SOA's
2021 - Canada (Ontario) *Multiple - 5 SOA's
2001219Amaranthus tuberculatus (=A. rudis)Tall WaterhempE814Inhibition of Protoporphyrinogen Oxidase
6 Ambrosia artemisiifolia
Common Ragweed
2005 - United States (Delaware) *Multiple - 2 SOA's
2006 - United States (Ohio) *Multiple - 2 SOA's
2015 - United States (North Carolina) *Multiple - 3 SOA's
2016 - United States (Maryland) *Multiple - 3 SOA's
2016 - United States (Michigan) *Multiple - 2 SOA's
2016 - United States (New Jersey) *Multiple - 3 SOA's
2023 - Ukraine *Multiple - 2 SOA's
200518Ambrosia artemisiifoliaCommon RagweedE814Inhibition of Protoporphyrinogen Oxidase
7 Avena fatua
Wild Oat
2015 - Canada (Manitoba) *Multiple - 4 SOA's
201528Avena fatuaWild OatE814Inhibition of Protoporphyrinogen Oxidase
8 Bidens pilosa
Hairy Beggarticks
2022 - Brazil
202232Bidens pilosaHairy BeggarticksE814Inhibition of Protoporphyrinogen Oxidase
9 Conyza bonariensis
Hairy Fleabane
2022 - Jordan *Multiple - 2 SOA's
202260Conyza bonariensisHairy FleabaneE814Inhibition of Protoporphyrinogen Oxidase
10 Conyza sumatrensis
Sumatran Fleabane
2017 - Brazil
2017 - Brazil *Multiple - 5 SOA's
201765Conyza sumatrensisSumatran FleabaneE814Inhibition of Protoporphyrinogen Oxidase
11 Descurainia sophia
Flixweed
2011 - China
2011237Descurainia sophiaFlixweedE814Inhibition of Protoporphyrinogen Oxidase
12 Eleusine indica
Goosegrass
2015 - United States (North Carolina)
2015 - United States (Virginia)
201581Eleusine indicaGoosegrassE814Inhibition of Protoporphyrinogen Oxidase
13 Euphorbia heterophylla
Wild Poinsettia
2004 - Brazil *Multiple - 2 SOA's
200487Euphorbia heterophyllaWild PoinsettiaE814Inhibition of Protoporphyrinogen Oxidase
14 Kochia scoparia
Kochia
2021 - Canada (Saskatchewan)
2021101Kochia scopariaKochiaE814Inhibition of Protoporphyrinogen Oxidase
15 Lolium rigidum
Rigid Ryegrass
2016 - Spain *Multiple - 2 SOA's
2016112Lolium rigidumRigid RyegrassE814Inhibition of Protoporphyrinogen Oxidase
16 Poa annua
Annual Bluegrass
2017 - United States (Tennessee) *Multiple - 7 SOA's
2017130Poa annuaAnnual BluegrassE814Inhibition of Protoporphyrinogen Oxidase
17 Senecio vernalis
Eastern Groundsel
2014 - Israel *Multiple - 4 SOA's
2014327Senecio vernalisEastern GroundselE814Inhibition of Protoporphyrinogen Oxidase
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Monday, December 9, 2024 .  Available  www.weedscience.org
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