1
| 19 | Smooth Barley | 1984 | Hordeum murinum ssp. glaucum Smooth Barley | Australia (Victoria) | Victoria | VIC | PSI Electron Diverter (D/22) |
PSI Electron Diverter (D/22)
| diquat, paraquat | Christopher Preston |
2
| 5042 | Rigid Ryegrass | 1984 | Lolium 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
| 22 | Capeweed | 1986 | Arctotheca calendula Capeweed | Australia (Victoria) | Victoria | VIC | PSI Electron Diverter (D/22) |
PSI Electron Diverter (D/22)
| diquat | Christopher Preston |
4
| 18 | Hare Barley | 1988 | Hordeum murinum ssp. leporinum Hare Barley | Australia (Victoria) | Victoria | VIC | PSI Electron Diverter (D/22) |
PSI Electron Diverter (D/22)
| diquat, paraquat | Christopher Preston |
5
| 17 | Squirreltail Fescue | 1990 | Vulpia bromoides Squirreltail Fescue | Australia (Victoria) | Victoria | VIC | PSI Electron Diverter (D/22) |
PSI Electron Diverter (D/22)
| diquat, paraquat | Christopher Preston |
6
| 380 | Rigid Ryegrass | 1996 | Lolium rigidum Rigid Ryegrass | Australia (Victoria) | Victoria | VIC | EPSP synthase inhibitors (G/9) |
EPSP synthase inhibitors (G/9)
| glyphosate | Jim Pratley, Christopher Preston |
7
| 5363 | Rigid Ryegrass | 1999 | Lolium 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
| 5467 | Ripgut Brome | 1999 | Bromus 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
| 5189 | Serrated Tussock | 2002 | Nassella trichotoma Serrated Tussock | Australia (Victoria) | Victoria | | Lipid Inhibitors (N/26) |
Lipid Inhibitors (N/26)
| flupropanate | Christopher Preston |
10
| 5190 | Burning Nettle | 2002 | Urtica urens Burning Nettle | Australia (Victoria) | Victoria | | Photosystem II inhibitors (C1/5) |
Photosystem II inhibitors (C1/5)
| atrazine, prometryn, simazine | Christopher Preston |
11
| 7841 | Squirreltail Fescue | 2009 | Vulpia bromoides Squirreltail Fescue | Australia (Victoria) | Victoria | | Photosystem II inhibitors (C1/5) |
Photosystem II inhibitors (C1/5)
| simazine | Peter Boutsalis |
12
| 5513 | Annual Bluegrass | 2009 | Poa annua Annual Bluegrass | Australia (Victoria) | Victoria | | Unknown (Z/27) |
Unknown (Z/27)
| endothall | Christopher Preston, Peter Boutsalis |
13
| 5516 | Prickly Lettuce | 2009 | Lactuca serriola Prickly Lettuce | Australia (Victoria) | Victoria | | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| chlorsulfuron, metsulfuron-methyl | Christopher Preston, Peter Boutsalis |
14
| 7845 | Wild Radish | 2009 | Raphanus 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
| 7842 | Oriental Mustard | 2010 | Sisymbrium orientale Oriental Mustard | Australia (Victoria) | Victoria | | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| chlorsulfuron, metosulam | Christopher Preston, Peter Boutsalis |
16
| 7844 | Annual Sowthistle | 2010 | Sonchus oleraceus Annual Sowthistle | Australia (Victoria) | Victoria | | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| chlorsulfuron | Christopher Preston, Peter Boutsalis |
17
| 7846 | Wild Radish | 2011 | Raphanus raphanistrum Wild Radish | Australia (Victoria) | Victoria | | Synthetic Auxins (O/4) |
Synthetic Auxins (O/4)
| 2,4-D | Christopher Preston, Peter Boutsalis |
18
| 5603 | Oriental Mustard | 2011 | Sisymbrium orientale Oriental Mustard | Australia (Victoria) | Victoria | | Carotenoid biosynthesis inhibitors (F1/12) |
Carotenoid biosynthesis inhibitors (F1/12)
| diflufenican | Christopher Preston, Peter Boutsalis |
19
| 5712 | Oriental Mustard | 2011 | Sisymbrium orientale Oriental Mustard | Australia (Victoria) | Victoria | | Photosystem II inhibitors (C1/5) |
Photosystem II inhibitors (C1/5)
| atrazine | Christopher Preston, Peter Boutsalis |
20
| 7838 | Little seed Canary grass | 2012 | Phalaris minor Little seed Canary grass | Australia (Victoria) | Victoria | | ACCase inhibitors (A/1) |
ACCase inhibitors (A/1)
| clodinafop-propargyl | Christopher Preston, Peter Boutsalis |
21
| 11021 | Windmill Grass | 2015 | Chloris truncata Windmill Grass | Australia (Victoria) | Victoria | | EPSP synthase inhibitors (G/9) |
EPSP synthase inhibitors (G/9)
| glyphosate | Christopher Preston |
22
| 11022 | Prickly Lettuce | 2015 | Lactuca serriola Prickly Lettuce | Australia (Victoria) | Victoria | | EPSP synthase inhibitors (G/9) |
EPSP synthase inhibitors (G/9)
| glyphosate | Christopher Preston |
23
| 11023 | Rigid Ryegrass | 2015 | Lolium rigidum Rigid Ryegrass | Australia (Victoria) | Victoria | | Lipid Inhibitors (N/8) |
Lipid Inhibitors (N/8)
| triallate | Christopher Preston |
24
| 15056 | Annual Sowthistle | 2015 | Sonchus oleraceus Annual Sowthistle | Australia (Victoria) | Victoria | | Synthetic Auxins (O/4) |
Synthetic Auxins (O/4)
| 2,4-D | Christopher Preston, Peter Boutsalis |
25
| 16089 | Annual Bluegrass | 2017 | Poa annua Annual Bluegrass | Australia (Victoria) | Victoria | | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| bispyribac-sodium, foramsulfuron, iodosulfuron-methyl-sodium, rimsulfuron | Peter Boutsalis |
26
| 16090 | Annual Bluegrass | 2017 | Poa annua Annual Bluegrass | Australia (Victoria) | Victoria | | Photosystem II inhibitors (C1/5) |
Photosystem II inhibitors (C1/5)
| simazine | Peter Boutsalis |
27
| 16091 | Annual Bluegrass | 2017 | Poa annua Annual Bluegrass | Australia (Victoria) | Victoria | | EPSP synthase inhibitors (G/9) |
EPSP synthase inhibitors (G/9)
| glyphosate | Peter Boutsalis |
28
| 16092 | Annual Bluegrass | 2017 | Poa annua Annual Bluegrass | Australia (Victoria) | Victoria | | Microtubule inhibitors (K1/3) |
Microtubule inhibitors (K1/3)
| propyzamide = pronamide | Peter Boutsalis |
29
| 18190 | Annual Bluegrass | 2017 | Poa annua Annual Bluegrass | Australia (Victoria) | Victoria | | ACCase inhibitors (A/1) |
ACCase inhibitors (A/1)
| pinoxaden | Christopher Preston, Peter Boutsalis, Rajesh Barua |