International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
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Herbicide Resistant Weeds in Victoria, Australia.
#YearSpeciesSite of ActionActivesContacts
1 19Smooth Barley1984Hordeum murinum ssp. glaucum
Smooth Barley
Australia
(Victoria)
VictoriaVIC PSI Electron Diverter (D/22) PSI Electron Diverter (D/22) diquat, paraquat Christopher Preston
2 5042Rigid Ryegrass1984Lolium rigidum
Rigid Ryegrass
Australia
(Victoria)
Victoria  ACCase inhibitors (A/1), ALS inhibitors (B/2), Microtubule inhibitors (K1/3) Multiple Resistance: 3 Sites of Action
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
3 22Capeweed1986Arctotheca calendula
Capeweed
Australia
(Victoria)
VictoriaVIC PSI Electron Diverter (D/22) PSI Electron Diverter (D/22) diquat Christopher Preston
4 18Hare Barley1988Hordeum murinum ssp. leporinum
Hare Barley
Australia
(Victoria)
VictoriaVIC PSI Electron Diverter (D/22) PSI Electron Diverter (D/22) diquat, paraquat Christopher Preston
5 17Squirreltail Fescue1990Vulpia bromoides
Squirreltail Fescue
Australia
(Victoria)
VictoriaVIC PSI Electron Diverter (D/22) PSI Electron Diverter (D/22) diquat, paraquat Christopher Preston
6 380Rigid Ryegrass1996Lolium rigidum
Rigid Ryegrass
Australia
(Victoria)
VictoriaVIC EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Jim Pratley, Christopher Preston
7 5363Rigid Ryegrass1999Lolium rigidum
Rigid Ryegrass
Australia
(Victoria)
Victoria  ACCase inhibitors (A/1), ALS inhibitors (B/2), EPSP synthase inhibitors (G/9), Microtubule inhibitors (K1/3) Multiple Resistance: 4 Sites of Action
ACCase inhibitors (A/1)
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
Microtubule inhibitors (K1/3)
chlorsulfuron, diclofop-methyl, glyphosate, trifluralin Christopher Preston
8 5467Ripgut Brome1999Bromus diandrus
Ripgut Brome
Australia
(Victoria)
Victoria  ACCase inhibitors (A/1) ACCase inhibitors (A/1) clethodim, fluazifop-P-butyl, haloxyfop-methyl, quizalofop-P-ethyl, tepraloxydim Christopher Preston, Peter Boutsalis, John Broster
9 5189Serrated Tussock2002Nassella trichotoma
Serrated Tussock
Australia
(Victoria)
Victoria  Lipid Inhibitors (N/26) Lipid Inhibitors (N/26) flupropanate Christopher Preston
10 5190Burning Nettle2002Urtica urens
Burning Nettle
Australia
(Victoria)
Victoria  Photosystem II inhibitors (C1/5) Photosystem II inhibitors (C1/5) atrazine, prometryn, simazine Christopher Preston
11 7841Squirreltail Fescue2009Vulpia bromoides
Squirreltail Fescue
Australia
(Victoria)
Victoria  Photosystem II inhibitors (C1/5) Photosystem II inhibitors (C1/5) simazine Peter Boutsalis
12 5513Annual Bluegrass2009Poa annua
Annual Bluegrass
Australia
(Victoria)
Victoria  Unknown (Z/27) Unknown (Z/27) endothall Christopher Preston, Peter Boutsalis
13 5516Prickly Lettuce2009Lactuca serriola
Prickly Lettuce
Australia
(Victoria)
Victoria  ALS inhibitors (B/2) ALS inhibitors (B/2) chlorsulfuron, metsulfuron-methyl Christopher Preston, Peter Boutsalis
14 7845Wild Radish2009Raphanus raphanistrum
Wild Radish
Australia
(Victoria)
Victoria  ALS inhibitors (B/2), Synthetic Auxins (O/4) Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
Synthetic Auxins (O/4)
2,4-D, chlorsulfuron, metosulam Christopher Preston, Peter Boutsalis
15 7842Oriental Mustard2010Sisymbrium orientale
Oriental Mustard
Australia
(Victoria)
Victoria  ALS inhibitors (B/2) ALS inhibitors (B/2) chlorsulfuron, metosulam Christopher Preston, Peter Boutsalis
16 7844Annual Sowthistle2010Sonchus oleraceus
Annual Sowthistle
Australia
(Victoria)
Victoria  ALS inhibitors (B/2) ALS inhibitors (B/2) chlorsulfuron Christopher Preston, Peter Boutsalis
17 7846Wild Radish2011Raphanus raphanistrum
Wild Radish
Australia
(Victoria)
Victoria  Synthetic Auxins (O/4) Synthetic Auxins (O/4) 2,4-D Christopher Preston, Peter Boutsalis
18 5603Oriental Mustard2011Sisymbrium orientale
Oriental Mustard
Australia
(Victoria)
Victoria  Carotenoid biosynthesis inhibitors (F1/12) Carotenoid biosynthesis inhibitors (F1/12) diflufenican Christopher Preston, Peter Boutsalis
19 5712Oriental Mustard2011Sisymbrium orientale
Oriental Mustard
Australia
(Victoria)
Victoria  Photosystem II inhibitors (C1/5) Photosystem II inhibitors (C1/5) atrazine Christopher Preston, Peter Boutsalis
20 7838Little seed Canary grass2012Phalaris minor
Little seed Canary grass
Australia
(Victoria)
Victoria  ACCase inhibitors (A/1) ACCase inhibitors (A/1) clodinafop-propargyl Christopher Preston, Peter Boutsalis
21 11021Windmill Grass2015Chloris truncata
Windmill Grass
Australia
(Victoria)
Victoria  EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Christopher Preston
22 11022Prickly Lettuce2015Lactuca serriola
Prickly Lettuce
Australia
(Victoria)
Victoria  EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Christopher Preston
23 11023Rigid Ryegrass2015Lolium rigidum
Rigid Ryegrass
Australia
(Victoria)
Victoria  Lipid Inhibitors (N/8) Lipid Inhibitors (N/8) triallate Christopher Preston
24 15056Annual Sowthistle2015Sonchus oleraceus
Annual Sowthistle
Australia
(Victoria)
Victoria  Synthetic Auxins (O/4) Synthetic Auxins (O/4) 2,4-D Christopher Preston, Peter Boutsalis
25 16089Annual Bluegrass2017Poa annua
Annual Bluegrass
Australia
(Victoria)
Victoria  ALS inhibitors (B/2) ALS inhibitors (B/2) bispyribac-sodium, foramsulfuron, iodosulfuron-methyl-sodium, rimsulfuron Peter Boutsalis
26 16090Annual Bluegrass2017Poa annua
Annual Bluegrass
Australia
(Victoria)
Victoria  Photosystem II inhibitors (C1/5) Photosystem II inhibitors (C1/5) simazine Peter Boutsalis
27 16091Annual Bluegrass2017Poa annua
Annual Bluegrass
Australia
(Victoria)
Victoria  EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Peter Boutsalis
28 16092Annual Bluegrass2017Poa annua
Annual Bluegrass
Australia
(Victoria)
Victoria  Microtubule inhibitors (K1/3) Microtubule inhibitors (K1/3) propyzamide = pronamide Peter Boutsalis
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Monday, October 21, 2019 .  Available  www.weedscience.org
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