International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
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Herbicide Resistant Weeds in New South Wales , Australia.
#YearSpeciesSite of ActionActivesContacts
1 4Rigid Ryegrass1985Lolium rigidum
Rigid Ryegrass
Australia
(New South Wales )
New South Wales   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, haloxyfop-methyl, metsulfuron-methyl, quizalofop-P-ethyl, sethoxydim, tralkoxydim, triasulfuron, trifluralin Jim Pratley
2 5029Sterile Oat1989Avena sterilis
Sterile Oat
Australia
(New South Wales )
New South Wales   ACCase inhibitors (A/1) ACCase inhibitors (A/1) diclofop-methyl, fluazifop-P-butyl, sethoxydim Andrew Storrie
3 5Wild Oat1991Avena fatua
Wild Oat
Australia
(New South Wales )
New South Wales   ACCase inhibitors (A/1) ACCase inhibitors (A/1) clethodim, clodinafop-propargyl, diclofop-methyl, fenoxaprop-P-ethyl Steve Walker, Jim Pratley, John Broster
4 6Smallflower Umbrella Sedge1994Cyperus difformis
Smallflower Umbrella Sedge
Australia
(New South Wales )
New South Wales NSW ALS inhibitors (B/2) ALS inhibitors (B/2) bensulfuron-methyl Jim Pratley, Andrew Storrie
5 7California Arrowhead1994Sagittaria montevidensis
California Arrowhead
Australia
(New South Wales )
New South Wales NSW ALS inhibitors (B/2) ALS inhibitors (B/2) bensulfuron-methyl Jim Pratley
6 8Starfruit1994Damasonium minus
Starfruit
Australia
(New South Wales )
New South Wales NSW ALS inhibitors (B/2) ALS inhibitors (B/2) bensulfuron-methyl Jim Pratley, Andrew Storrie
7 5035Oriental Mustard1994Sisymbrium orientale
Oriental Mustard
Australia
(New South Wales )
New South Wales   ALS inhibitors (B/2) ALS inhibitors (B/2) chlorsulfuron, metosulam Jim Pratley, Christopher Preston
8 1139Wild Mustard1996Sinapis arvensis
Wild Mustard
Australia
(New South Wales )
New South Wales NSW ALS inhibitors (B/2) ALS inhibitors (B/2) chlorsulfuron Steve Walker
9 5094Rigid Ryegrass1997Lolium rigidum
Rigid Ryegrass
Australia
(New South Wales )
New South Wales   EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Jim Dellow, Christopher Preston, John Broster, Andrew Storrie
10 1137Hood Canarygrass1997Phalaris paradoxa
Hood Canarygrass
Australia
(New South Wales )
New South Wales NSW ACCase inhibitors (A/1) ACCase inhibitors (A/1) fenoxaprop-P-ethyl, sethoxydim Steve Walker, Andrew Storrie
11 1178Dense-flowered Fumitory1999Fumaria densiflora
Dense-flowered Fumitory
Australia
(New South Wales )
New South Wales NSW Microtubule inhibitors (K1/3) Microtubule inhibitors (K1/3) trifluralin Gertraud Norton
12 5098Hare Barley2001Hordeum murinum ssp. leporinum
Hare Barley
Australia
(New South Wales )
New South Wales New South Wales ACCase inhibitors (A/1) ACCase inhibitors (A/1) clethodim, haloxyfop-P-methyl John Broster
13 5198Sterile oat2002Avena sterilis ssp. ludoviciana
Sterile oat
Australia
(New South Wales )
New South Wales New South Wales Antimicrotubule mitotic disrupter (Z/25) Antimicrotubule mitotic disrupter (Z/25) flamprop-methyl John Broster
14 5336Junglerice2004Echinochloa colona
Junglerice
Australia
(New South Wales )
New South Wales   Photosystem II inhibitors (C1/5) Photosystem II inhibitors (C1/5) atrazine Steve Adkins
15 5338Wild Radish2004Raphanus raphanistrum
Wild Radish
Australia
(New South Wales )
New South Wales NSW ALS inhibitors (B/2) ALS inhibitors (B/2) chlorsulfuron, metsulfuron-methyl, triasulfuron Andrew Storrie
16 10965Giant Parramatta grass2004Sporobolus fertilis
Giant Parramatta grass
Australia
(New South Wales )
New South Wales   Lipid Inhibitors (N/26) Lipid Inhibitors (N/26) dalapon, flupropanate David Officer
17 10966Wild Oat2006Avena fatua
Wild Oat
Australia
(New South Wales )
New South Wales   ACCase inhibitors (A/1), ALS inhibitors (B/2), Antimicrotubule mitotic disrupter (Z/25) Multiple Resistance: 3 Sites of Action
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 5297Junglerice2007Echinochloa colona
Junglerice
Australia
(New South Wales )
New South Wales   EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Christopher Preston, Peter Boutsalis, Andrew Storrie
19 5362Liverseedgrass2008Urochloa panicoides
Liverseedgrass
Australia
(New South Wales )
New South Wales   EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Christopher Preston, Peter Boutsalis, Andrew Storrie
20 5509Windmill Grass2010Chloris truncata
Windmill Grass
Australia
(New South Wales )
New South Wales   EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Christopher Preston, Peter Boutsalis, Tony Cook
21 5512Hairy Fleabane2010Conyza bonariensis
Hairy Fleabane
Australia
(New South Wales )
New South Wales   EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Steve Walker, Christopher Preston, Hanwen Wu
22 7840Hood Canarygrass2012Phalaris paradoxa
Hood Canarygrass
Australia
(New South Wales )
New South Wales   ACCase inhibitors (A/1), ALS inhibitors (B/2) Multiple Resistance: 2 Sites of Action
ACCase inhibitors (A/1)
ALS inhibitors (B/2)
clodinafop-propargyl, mesosulfuron-methyl Christopher Preston, Peter Boutsalis
23 7839Wild Radish2013Raphanus raphanistrum
Wild Radish
Australia
(New South Wales )
New South Wales   Synthetic Auxins (O/4) Synthetic Auxins (O/4) 2,4-D Christopher Preston, Tony Cook
24 7892Annual Sowthistle2014Sonchus oleraceus
Annual Sowthistle
Australia
(New South Wales )
New South Wales   EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Christopher Preston, Tony Cook
25 11026Feather Fingergrass2015Chloris virgata
Feather Fingergrass
Australia
(New South Wales )
New South Wales   EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Christopher Preston
26 11031Rigid Ryegrass2015Lolium rigidum
Rigid Ryegrass
Australia
(New South Wales )
New South Wales   Lipid Inhibitors (N/8) Lipid Inhibitors (N/8) triallate Christopher Preston, Peter Boutsalis
27 13045Hairy Fleabane2016Conyza bonariensis
Hairy Fleabane
Australia
(New South Wales )
New South Wales   PSI Electron Diverter (D/22) PSI Electron Diverter (D/22) paraquat Christopher Preston, Peter Boutsalis
28 16093Annual Bluegrass2017Poa annua
Annual Bluegrass
Australia
(New South Wales )
New South Wales   ALS inhibitors (B/2) ALS inhibitors (B/2) bispyribac-sodium, foramsulfuron, iodosulfuron-methyl-sodium, rimsulfuron Peter Boutsalis
29 16094Annual Bluegrass2017Poa annua
Annual Bluegrass
Australia
(New South Wales )
New South Wales   Photosystem II inhibitors (C1/5) Photosystem II inhibitors (C1/5) simazine Peter Boutsalis
30 16095Annual Bluegrass2017Poa annua
Annual Bluegrass
Australia
(New South Wales )
New South Wales   EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Peter Boutsalis
31 16096Annual Bluegrass2017Poa annua
Annual Bluegrass
Australia
(New South Wales )
New South Wales   Unknown (Z/27) Unknown (Z/27) endothall Peter Boutsalis
32 16097Annual Bluegrass2017Poa annua
Annual Bluegrass
Australia
(New South Wales )
New South Wales   Microtubule inhibitors (K1/3) Microtubule inhibitors (K1/3) propyzamide = pronamide Peter Boutsalis
33 16098Annual Bluegrass2017Poa annua
Annual Bluegrass
Australia
(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) Multiple Resistance: 5 Sites of Action
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
Contributing Weed Scientists
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Sunday, August 18, 2019 .  Available  www.weedscience.org
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