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)

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#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 (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 (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 Deoxy-D-Xylulose Phosphate Synthase (F4/13), Inhibition of Microtubule Assembly (K1/3), Inhibition of Microtubule Organization (K2/23), Very Long-Chain Fatty Acid Synthesis inhibitors (K3 N/15) 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 (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 (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 (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) 2,4-D, dicamba, mesotrione, metsulfuron-methyl, pyrasulfotole, 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
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Tuesday, December 3, 2024 .  Available  www.weedscience.org
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