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   Inhibition of Acetolactate Synthase (B/2), Inhibition of Acetyl CoA Carboxylase (A/1), Inhibition of Microtubule Assembly 2 (K1/3) chlorsulfuron, diclofop-methyl, fluazifop-butyl, haloxyfop-methyl, metsulfuron-methyl, quizalofop-ethyl, sethoxydim, tralkoxydim, triasulfuron, trifluralin Jim Pratley
2 151982Lolium rigidumAustralia
(Western Australia)
Western AustraliaWestern Australia Inhibition of Acetolactate Synthase (B/2), Inhibition of Acetyl CoA Carboxylase (A/1), Inhibition of Microtubule Assembly 2 (K1/3) chlorsulfuron, diclofop-methyl, fluazifop-butyl, sethoxydim, tralkoxydim, trifluralin Stephen Powles, Gurgeet Gill, Jim Pratley, Christopher Preston, David Bowran
3 161993Digitaria sanguinalisAustralia
(South Australia)
South Australia  Inhibition of Acetolactate Synthase (B/2), Inhibition of Acetyl CoA Carboxylase (A/1) fluazifop-butyl, haloxyfop-methyl, imazethapyr Christopher Preston
4 3891982Lolium rigidumAustralia
(South Australia)
South AustraliaSA Inhibition of Acetolactate Synthase (B/2), Inhibition of Acetyl CoA Carboxylase (A/1), Inhibition of Microtubule Assembly 2 (K1/3), Inhibition of Microtubule Assembly (F4/13), Inhibition of Microtubule Organization (K2/23), Very Long-Chain Fatty Acid Synthesis inhibitors (K3 N/15), Very Long-Chain Fatty Acid Synthesis inhibitors (K3 N/8) chlorpropham, chlorsulfuron, clomazone, diclofop-methyl, ethalfluralin, fluazifop-butyl, imazapyr, metolachlor, metsulfuron-methyl, quizalofop-ethyl, sethoxydim, tralkoxydim, tri-allate, triasulfuron, trifluralin Christopher Preston
5 50331998Raphanus raphanistrumAustralia
(Western Australia)
Western Australia  Inhibition of Acetolactate Synthase (B/2), Phytoene Desaturase inhibitors (F1/12) chlorsulfuron, diflufenican, metosulam Abul Hashem
6 50421984Lolium rigidumAustralia
(Victoria)
Victoria  Inhibition of Acetolactate Synthase (B/2), Inhibition of Acetyl CoA Carboxylase (A/1), Inhibition of Microtubule Assembly 2 (K1/3) chlorsulfuron, diclofop-methyl, fluazifop-butyl, metsulfuron-methyl, quizalofop-ethyl, sethoxydim, trifluralin Christopher Preston
7 52702005Sisymbrium orientaleAustralia
(South Australia)
South Australia  Auxin Mimics (O/4), Inhibition of Acetolactate Synthase (B/2) 2,4-D, imazethapyr, MCPA, metosulam, metsulfuron-methyl Christopher Preston, Peter Boutsalis
8 53631999Lolium rigidumAustralia
(Victoria)
Victoria  Inhibition of Acetolactate Synthase (B/2), Inhibition of Acetyl CoA Carboxylase (A/1), Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9), Inhibition of Microtubule Assembly 2 (K1/3) chlorsulfuron, diclofop-methyl, glyphosate, trifluralin Christopher Preston
9 53642006Raphanus raphanistrumAustralia
(South Australia)
South Australia  Auxin Mimics (O/4), Inhibition of Acetolactate Synthase (B/2), Phytoene Desaturase inhibitors (F1/12) 2,4-D, diflufenican, MCPA, triasulfuron Christopher Preston, Peter Boutsalis
10 54892010Lolium rigidumAustralia
(South Australia)
South Australia  Inhibition of Acetyl CoA Carboxylase (A/1), PS I Electron Diversion (D/22) clethodim, paraquat Christopher Preston, Peter Boutsalis
11 55102010Lolium rigidumAustralia
(South Australia)
South Australia  Inhibition of Acetolactate Synthase (B/2), Inhibition of Acetyl CoA Carboxylase (A/1), Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9), PS I Electron Diversion (D/22), PSII inhibitors - Serine 264 Binders (C1 C2/5) atrazine, chlorsulfuron, clethodim, glyphosate, haloxyfop-methyl, imazapyr, iodosulfuron-methyl-Na, paraquat Christopher Preston, Peter Boutsalis
12 55152008Lolium rigidumAustralia
(South Australia)
South Australia  Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9), Inhibition of Lycopene Cyclase (F3/11) amitrole, glyphosate Christopher Preston, Peter Boutsalis
13 67542013Lolium rigidumAustralia
(Western Australia)
Western Australia  Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9), PS I Electron Diversion (D/22) glyphosate, paraquat Peter Boutsalis, Andrew Storrie, Sally Peltzer
14 78402012Phalaris paradoxaAustralia
(New South Wales )
New South Wales   Inhibition of Acetolactate Synthase (B/2), Inhibition of Acetyl CoA Carboxylase (A/1) clodinafop-propargyl, mesosulfuron-methyl Christopher Preston, Peter Boutsalis
15 78452009Raphanus raphanistrumAustralia
(Victoria)
Victoria  Auxin Mimics (O/4), Inhibition of Acetolactate Synthase (B/2) 2,4-D, chlorsulfuron, metosulam Christopher Preston, Peter Boutsalis
16 78882010Raphanus raphanistrumAustralia
(Western Australia)
Western Australia  Auxin Mimics (O/4), Inhibition of Acetolactate Synthase (B/2), Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (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   Antimicrotubule mitotic disrupter (Z/25), Inhibition of Acetolactate Synthase (B/2), Inhibition of Acetyl CoA Carboxylase (A/1) clodinafop-propargyl, diclofop-methyl, flamprop-methyl, mesosulfuron-methyl Peter Boutsalis, Andrew Storrie, Tony Cook
18 160982017Poa annuaAustralia
(New South Wales )
New South Wales   Inhibition of Acetolactate Synthase (B/2), Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9), Inhibition of Microtubule Assembly 2 (K1/3), PSII inhibitors - Serine 264 Binders (C1 C2/5), Unknown (Z/27) bispyribac-sodium, endothall, foramsulfuron, glyphosate, iodosulfuron-methyl-Na, propyzamide/pronamide, rimsulfuron, simazine Peter Boutsalis
19 192162020Arctotheca calendulaAustralia
(Western Australia)
Western Australia  Inhibition of Acetolactate Synthase (B/2), Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9), Phytoene Desaturase inhibitors (F1/12) diflufenican, glyphosate, metosulam Hugh Beckie, Michael Ashworth, Heping Han
20 192192020Raphanus raphanistrumAustralia
(Western Australia)
Western Australia  Auxin Mimics (O/4), Inhibition of Acetolactate Synthase (B/2), Inhibition of Hydroxyphenyl Pyruvate Dioxygenase (F2/27), Very Long-Chain Fatty Acid Synthesis inhibitors (K3 N/15) 2,4-D, dicamba, mesotrione, metsulfuron-methyl, pyroxasulfone, topramezone Hugh Beckie, Roberto Busi, Bowen Zhang
21 192232015Raphanus raphanistrumAustralia
(Western Australia)
Western Australia  Auxin Mimics (O/4), Inhibition of Acetolactate Synthase (B/2), Inhibition of Hydroxyphenyl Pyruvate Dioxygenase (F2/27), Phytoene Desaturase inhibitors (F1/12), PSII inhibitors - Serine 264 Binders (C1 C2/5) 2,4-D, atrazine, chlorsulfuron, diflufenican, fluridone, isoxaflutole, mesotrione, tembotrione Stephen Powles, Hugh Beckie, Heping Han, Qin Yu, Mechelle Owen
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, September 20, 2021 .  Available  www.weedscience.org
Copyright © 1993- 2021 WeedScience.org All rights reserved. Fair use of this material is encouraged. Proper citation is requested.