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   ACCase inhibitors (A/1), ALS inhibitors (B/2), Microtubule inhibitors (K1/3) chlorsulfuron, diclofop-methyl, fluazifop-P-butyl, haloxyfop-methyl, metsulfuron-methyl, quizalofop-P-ethyl, sethoxydim, tralkoxydim, triasulfuron, trifluralin Jim Pratley
2 151982Lolium rigidumAustralia
(Western Australia)
Western AustraliaWestern Australia ACCase inhibitors (A/1), ALS inhibitors (B/2), Microtubule 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), Long chain fatty acid inhibitors (K3/15), Microtubule inhibitors (K1/3), Mitosis inhibitors (K2/23) chlorpropham, chlorsulfuron, clomazone, diclofop-methyl, ethalfluralin, fluazifop-P-butyl, imazapyr, metolachlor, metsulfuron-methyl, quizalofop-P-ethyl, sethoxydim, tralkoxydim, triallate, triasulfuron, trifluralin Christopher Preston
5 50331998Raphanus raphanistrumAustralia
(Western Australia)
Western Australia  ALS inhibitors (B/2), Carotenoid biosynthesis inhibitors (F1/12) chlorsulfuron, diflufenican, metosulam Abul Hashem
6 50421984Lolium rigidumAustralia
(Victoria)
Victoria  ACCase inhibitors (A/1), ALS inhibitors (B/2), Microtubule inhibitors (K1/3) chlorsulfuron, diclofop-methyl, fluazifop-P-butyl, metsulfuron-methyl, quizalofop-P-ethyl, sethoxydim, trifluralin Christopher Preston
7 52702005Sisymbrium orientaleAustralia
(South Australia)
South Australia  ALS inhibitors (B/2), Synthetic Auxins (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 inhibitors (K1/3) chlorsulfuron, diclofop-methyl, glyphosate, trifluralin Christopher Preston
9 53642006Raphanus raphanistrumAustralia
(South Australia)
South Australia  ALS inhibitors (B/2), Carotenoid biosynthesis inhibitors (F1/12), Synthetic Auxins (O/4) 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 inhibitors (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  Carotenoid biosynthesis (unknown target) (F3/11), EPSP synthase inhibitors (G/9) 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), Synthetic Auxins (O/4) 2,4-D, chlorsulfuron, metosulam Christopher Preston, Peter Boutsalis
16 78882010Raphanus raphanistrumAustralia
(Western Australia)
Western Australia  ALS inhibitors (B/2), Carotenoid biosynthesis inhibitors (F1/12), EPSP synthase inhibitors (G/9), Synthetic Auxins (O/4) 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 inhibitors (K1/3), Photosystem II inhibitors (C1/5), Unknown (Z/27) bispyribac-sodium, endothall, foramsulfuron, glyphosate, iodosulfuron-methyl-sodium, propyzamide = pronamide, rimsulfuron, simazine Peter Boutsalis
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Saturday, September 23, 2017 .  Available  www.weedscience.org
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