INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
select
Weeds Resistant to PPO inhibitors (E/14)
by species and country
Weeds Resistant to PPO inhibitors (E/14)
by species and country
Drag a column header and drop it here to group by that column
Weeds Resistant to PPO inhibitors (E/14)
by species and country
#SpeciesCountryFirst Year
1 Acalypha australis
Asian Copperleaf 		2011 - China
2011280Acalypha australisAsian CopperleafE814PPO inhibitors
2 Amaranthus hybridus (syn: quitensis)
Smooth Pigweed 		2005 - Bolivia
200512Amaranthus hybridus (syn: quitensis)Smooth PigweedE814PPO inhibitors
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
 		201114Amaranthus palmeriPalmer AmaranthE814PPO inhibitors
4 Amaranthus retroflexus
Redroot Pigweed 		2014 - Brazil
2017 - China *Multiple - 2 SOA's
 		201416Amaranthus retroflexusRedroot PigweedE814PPO inhibitors
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
 		2001219Amaranthus tuberculatus (=A. rudis)Tall WaterhempE814PPO inhibitors
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
 		200518Ambrosia artemisiifoliaCommon RagweedE814PPO inhibitors
7 Avena fatua
Wild Oat 		2015 - Canada (Manitoba) *Multiple - 5 SOA's
 		201528Avena fatuaWild OatE814PPO inhibitors
8 Conyza sumatrensis
Sumatran Fleabane 		2017 - Brazil
2017 - Brazil *Multiple - 5 SOA's
 		201765Conyza sumatrensisSumatran FleabaneE814PPO inhibitors
9 Descurainia sophia
Flixweed 		2011 - China
2011237Descurainia sophiaFlixweedE814PPO inhibitors
10 Eleusine indica
Goosegrass 		2015 - United States (North Carolina)
2015 - United States (Virginia)
201581Eleusine indicaGoosegrassE814PPO inhibitors
11 Euphorbia heterophylla
Wild Poinsettia 		2004 - Brazil *Multiple - 2 SOA's
 		200487Euphorbia heterophyllaWild PoinsettiaE814PPO inhibitors
12 Lolium rigidum
Rigid Ryegrass 		2016 - Spain *Multiple - 2 SOA's
 		2016112Lolium rigidumRigid RyegrassE814PPO inhibitors
13 Senecio vernalis
Eastern Groundsel 		2014 - Israel *Multiple - 5 SOA's
 		2014327Senecio vernalisEastern GroundselE814PPO inhibitors

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Heap, I.  The International Herbicide-Resistant Weed Database.  Online.  Wednesday, January 27, 2021 .  Available  www.weedscience.org Copyright © 1993- 2021 WeedScience.org All rights reserved. Fair use of this material is encouraged. Proper citation is requested.