International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
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Herbicide Resistant Weeds in Western Australia, Australia.
#YearSpeciesSite of ActionActivesContacts
1 15Rigid Ryegrass1982Lolium rigidum
Rigid Ryegrass
Australia
(Western Australia)
Western AustraliaWestern Australia 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, sethoxydim, tralkoxydim, trifluralin Stephen Powles, Gurgeet Gill, Jim Pratley, Christopher Preston, David Bowran
2 324Rigid Ryegrass1984Lolium rigidum
Rigid Ryegrass
Australia
(Western Australia)
Western AustraliaAll states ALS inhibitors (B/2) ALS inhibitors (B/2) chlorsulfuron, metsulfuron-methyl Stephen Powles, David Bowran
3 330Rigid Ryegrass1984Lolium rigidum
Rigid Ryegrass
Australia
(Western Australia)
Western AustraliaAll States Microtubule inhibitors (K1/3) Microtubule inhibitors (K1/3) trifluralin Stephen Powles, Christopher Preston, David Bowran
4 14Wild Oat1985Avena fatua
Wild Oat
Australia
(Western Australia)
Western AustraliaWestern Australia ACCase inhibitors (A/1) ACCase inhibitors (A/1) diclofop-methyl Gurgeet Gill, David Bowran
5 480Rigid Ryegrass1988Lolium rigidum
Rigid Ryegrass
Australia
(Western Australia)
Western AustraliaWestern Australia Photosystem II inhibitors (C1/5) Photosystem II inhibitors (C1/5) atrazine, simazine Stephen Powles, Christopher Preston
6 316Rigid Ryegrass1988Lolium rigidum
Rigid Ryegrass
Australia
(Western Australia)
Western AustraliaWestern Australia Carotenoid biosynthesis (unknown target) (F3/11) Carotenoid biosynthesis (unknown target) (F3/11) amitrole Stephen Powles, Christopher Preston
7 12African Mustard1992Brassica tournefortii
African Mustard
Australia
(Western Australia)
Western AustraliaWestern Australia ALS inhibitors (B/2) ALS inhibitors (B/2) chlorsulfuron Gurgeet Gill, David Bowran
8 3Oriental Mustard1994Sisymbrium orientale
Oriental Mustard
Australia
(Western Australia)
Western AustraliaWestern Australia ALS inhibitors (B/2) ALS inhibitors (B/2) chlorsulfuron, metosulam Christopher Preston, Jim Phimster, Abul Hashem, David Bowran
9 522Wild Radish1997Raphanus raphanistrum
Wild Radish
Australia
(Western Australia)
Western AustraliaWestern Australia ALS inhibitors (B/2) ALS inhibitors (B/2) chlorsulfuron, metosulam Stephen Powles, Abul Hashem, David Bowran
10 5030Patersons Curse1997Echium plantagineum
Patersons Curse
Australia
(Western Australia)
Western Australia  ALS inhibitors (B/2) ALS inhibitors (B/2) chlorsulfuron Abul Hashem
11 5033Wild Radish1998Raphanus raphanistrum
Wild Radish
Australia
(Western Australia)
Western Australia  ALS inhibitors (B/2), Carotenoid biosynthesis inhibitors (F1/12) Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
Carotenoid biosynthesis inhibitors (F1/12)
chlorsulfuron, diflufenican, metosulam Abul Hashem
12 5358Wild Radish1999Raphanus raphanistrum
Wild Radish
Australia
(Western Australia)
Western AustraliaWestern Australia Synthetic Auxins (O/4) Synthetic Auxins (O/4) 2,4-D Michael Walsh
13 1135Wild Radish1999Raphanus raphanistrum
Wild Radish
Australia
(Western Australia)
Western AustraliaWestern Australia Photosystem II inhibitors (C1/5) Photosystem II inhibitors (C1/5) atrazine, simazine Stephen Powles, Abul Hashem, David Bowran
14 5325Rigid Ryegrass2003Lolium rigidum
Rigid Ryegrass
Australia
(Western Australia)
Western AustraliaWA EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Christopher Preston, Abul Hashem
15 5251Smooth Barley2005Hordeum murinum ssp. glaucum
Smooth Barley
Australia
(Western Australia)
Western Australia  ALS inhibitors (B/2) ALS inhibitors (B/2) sulfometuron-methyl, sulfosulfuron Christopher Preston, Peter Boutsalis
16 5253Rigid Brome2005Bromus diandrus ssp. rigidus (=B. rigidus)
Rigid Brome
Australia
(Western Australia)
Western Australia  ACCase inhibitors (A/1) ACCase inhibitors (A/1) quizalofop-P-ethyl Christopher Preston, Peter Boutsalis
17 7888Wild Radish2010Raphanus raphanistrum
Wild Radish
Australia
(Western Australia)
Western Australia  ALS inhibitors (B/2), Carotenoid biosynthesis inhibitors (F1/12), EPSP synthase inhibitors (G/9), Synthetic Auxins (O/4) Multiple Resistance: 4 Sites of Action
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
18 5581Junglerice2010Echinochloa colona
Junglerice
Australia
(Western Australia)
Western Australia  EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Stephen Powles, Todd Gaines
19 5578Rigid Brome2011Bromus diandrus ssp. rigidus (=B. rigidus)
Rigid Brome
Australia
(Western Australia)
Western Australia  ALS inhibitors (B/2) ALS inhibitors (B/2) mesosulfuron-methyl, pyroxsulam Peter Boutsalis
20 6754Rigid Ryegrass2013Lolium rigidum
Rigid Ryegrass
Australia
(Western Australia)
Western Australia  EPSP synthase inhibitors (G/9), PSI Electron Diverter (D/22) Multiple Resistance: 2 Sites of Action
EPSP synthase inhibitors (G/9)
PSI Electron Diverter (D/22)
glyphosate, paraquat Peter Boutsalis, Andrew Storrie, Sally Peltzer
21 8899Longflowered veldtgrass 2014Ehrharta longiflora
Longflowered veldtgrass
Australia
(Western Australia)
Western Australia  ACCase inhibitors (A/1) ACCase inhibitors (A/1) clethodim, haloxyfop-methyl, quizalofop-P-ethyl Peter Boutsalis, Sally Peltzer
22 10964Red Brome2014Bromus rubens
Red Brome
Australia
(Western Australia)
Western Australia  EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Abul Hashem
23 11030Squirreltail Fescue2014Vulpia bromoides
Squirreltail Fescue
Australia
(Western Australia)
Western Australia  Photosystem II inhibitors (C1/5) Photosystem II inhibitors (C1/5) simazine Stephen Powles, Michael Ashworth
24 14052Coat Buttons2016Tridax procumbens
Coat Buttons
Australia
(Western Australia)
Western Australia  EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Stephen Powles
25 17111Willow-leaved lettuce2017Lactuca saligna
Willow-leaved lettuce
Australia
(Western Australia)
Western Australia  EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Abul Hashem
Contributing Weed Scientists
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Monday, August 26, 2019 .  Available  www.weedscience.org
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