International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
(Drop down only shows herbicides that have at least one resistant weed)

select

Use the Drop Down Menu Above to Select the Country
#YearSpeciesCountryMOAsActivesContacts
1 41985Lolium rigidumAustralia
(New South Wales )
New South Wales   ACCase inhibitors (A/1), ALS inhibitors (B/2), Microtubule Assembly inhibitors (K1/3) chlorsulfuron, diclofop-methyl, fluazifop-P-butyl, haloxyfop-methyl, metsulfuron-methyl, quizalofop-ethyl, sethoxydim, tralkoxydim, triasulfuron, trifluralin Jim Pratley
2 151982Lolium rigidumAustralia
(Western Australia)
Western AustraliaWestern Australia ACCase inhibitors (A/1), ALS inhibitors (B/2), Microtubule Assembly inhibitors (K1/3) chlorsulfuron, diclofop-methyl, fluazifop-P-butyl, sethoxydim, tralkoxydim, trifluralin Stephen Powles, Gurgeet Gill, Jim Pratley, Christopher Preston, David Bowran
3 161993Digitaria sanguinalisAustralia
(South Australia)
South Australia  ACCase inhibitors (A/1), ALS inhibitors (B/2) fluazifop-P-butyl, haloxyfop-methyl, imazethapyr Christopher Preston
4 3891982Lolium rigidumAustralia
(South Australia)
South AustraliaSA ACCase inhibitors (A/1), ALS inhibitors (B/2), DOXP inhibitors (F4/13), Lipid Inhibitors (N/8), Microtubule Assembly inhibitors (K1/3), Microtubule Organization inhibitors (K2/23), Very Long-Chain Fatty Acid Synthesis inhibitors (K3/15) chlorpropham, chlorsulfuron, clomazone, diclofop-methyl, ethalfluralin, fluazifop-P-butyl, imazapyr, metolachlor, metsulfuron-methyl, quizalofop-ethyl, sethoxydim, tralkoxydim, triallate, triasulfuron, trifluralin Christopher Preston
5 50331998Raphanus raphanistrumAustralia
(Western Australia)
Western Australia  ALS inhibitors (B/2), Phytoene Desaturase inhibitors (F1/12) chlorsulfuron, diflufenican, metosulam Abul Hashem
6 50421984Lolium rigidumAustralia
(Victoria)
Victoria  ACCase inhibitors (A/1), ALS inhibitors (B/2), Microtubule Assembly inhibitors (K1/3) chlorsulfuron, diclofop-methyl, fluazifop-P-butyl, metsulfuron-methyl, quizalofop-ethyl, sethoxydim, trifluralin Christopher Preston
7 52702005Sisymbrium orientaleAustralia
(South Australia)
South Australia  ALS inhibitors (B/2), Auxin Mimics (O/4) 2,4-D, imazethapyr, MCPA, metosulam, metsulfuron-methyl Christopher Preston, Peter Boutsalis
8 53631999Lolium rigidumAustralia
(Victoria)
Victoria  ACCase inhibitors (A/1), ALS inhibitors (B/2), EPSP synthase inhibitors (G/9), Microtubule Assembly inhibitors (K1/3) chlorsulfuron, diclofop-methyl, glyphosate, trifluralin Christopher Preston
9 53642006Raphanus raphanistrumAustralia
(South Australia)
South Australia  ALS inhibitors (B/2), Auxin Mimics (O/4), Phytoene Desaturase inhibitors (F1/12) 2,4-D, diflufenican, MCPA, triasulfuron Christopher Preston, Peter Boutsalis
10 54892010Lolium rigidumAustralia
(South Australia)
South Australia  ACCase inhibitors (A/1), PSI Electron Diverter (D/22) clethodim, paraquat Christopher Preston, Peter Boutsalis
11 55102010Lolium rigidumAustralia
(South Australia)
South Australia  ACCase inhibitors (A/1), ALS inhibitors (B/2), EPSP synthase inhibitors (G/9), Photosystem II- Serine 264 Binders (C1/5), PSI Electron Diverter (D/22) atrazine, chlorsulfuron, clethodim, glyphosate, haloxyfop-methyl, imazapyr, iodosulfuron-methyl-sodium, paraquat Christopher Preston, Peter Boutsalis
12 55152008Lolium rigidumAustralia
(South Australia)
South Australia  EPSP synthase inhibitors (G/9), Lycopene Cyclase inhibitors (F3/11) amitrole, glyphosate Christopher Preston, Peter Boutsalis
13 67542013Lolium rigidumAustralia
(Western Australia)
Western Australia  EPSP synthase inhibitors (G/9), PSI Electron Diverter (D/22) glyphosate, paraquat Peter Boutsalis, Andrew Storrie, Sally Peltzer
14 78402012Phalaris paradoxaAustralia
(New South Wales )
New South Wales   ACCase inhibitors (A/1), ALS inhibitors (B/2) clodinafop-propargyl, mesosulfuron-methyl Christopher Preston, Peter Boutsalis
15 78452009Raphanus raphanistrumAustralia
(Victoria)
Victoria  ALS inhibitors (B/2), Auxin Mimics (O/4) 2,4-D, chlorsulfuron, metosulam Christopher Preston, Peter Boutsalis
16 78882010Raphanus raphanistrumAustralia
(Western Australia)
Western Australia  ALS inhibitors (B/2), Auxin Mimics (O/4), EPSP synthase inhibitors (G/9), Phytoene Desaturase inhibitors (F1/12) 2,4-D, chlorsulfuron, diflufenican, glyphosate, imazethapyr, MCPA, metosulam, sulfometuron-methyl Stephen Powles, Michael Ashworth
17 109662006Avena fatuaAustralia
(New South Wales )
New South Wales   ACCase inhibitors (A/1), ALS inhibitors (B/2), Antimicrotubule mitotic disrupter (Z/25) clodinafop-propargyl, diclofop-methyl, flamprop-methyl, mesosulfuron-methyl Peter Boutsalis, Andrew Storrie, Tony Cook
18 160982017Poa annuaAustralia
(New South Wales )
New South Wales   ALS inhibitors (B/2), EPSP synthase inhibitors (G/9), Microtubule Assembly inhibitors (K1/3), Photosystem II- Serine 264 Binders (C1/5), Unknown (Z/27) bispyribac-sodium, endothall, foramsulfuron, glyphosate, iodosulfuron-methyl-sodium, propyzamide = pronamide, rimsulfuron, simazine Peter Boutsalis
19 192162020Arctotheca calendulaAustralia
(Western Australia)
Western Australia  ALS inhibitors (B/2), EPSP synthase inhibitors (G/9), Phytoene Desaturase inhibitors (F1/12) diflufenican, glyphosate, metosulam Hugh Beckie, Michael Ashworth, Heping Han
20 192192020Raphanus raphanistrumAustralia
(Western Australia)
Western Australia  ALS inhibitors (B/2), Auxin Mimics (O/4), HPPD inhibitors (F2/27), Very Long-Chain Fatty Acid Synthesis inhibitors (K3/15) 2,4-D, dicamba, mesotrione, metsulfuron-methyl, pyroxasulfone, topramezone Hugh Beckie, Roberto Busi, Bowen Zhang
PERMISSION MUST BE OBTAINED FIRST if you intend to base a significant portion of a scientific paper on data derived from this site.
Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Monday, April 19, 2021 .  Available  www.weedscience.org
Copyright © 1993- 2021 WeedScience.org All rights reserved. Fair use of this material is encouraged. Proper citation is requested.