1
| 15 | Rigid Ryegrass | 1982 | Lolium rigidum Rigid Ryegrass | Australia (Western Australia) | Western Australia | Western 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
| 324 | Rigid Ryegrass | 1984 | Lolium rigidum Rigid Ryegrass | Australia (Western Australia) | Western Australia | All states | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| chlorsulfuron, metsulfuron-methyl | Stephen Powles, David Bowran |
3
| 330 | Rigid Ryegrass | 1984 | Lolium rigidum Rigid Ryegrass | Australia (Western Australia) | Western Australia | All States | Microtubule inhibitors (K1/3) |
Microtubule inhibitors (K1/3)
| trifluralin | Stephen Powles, Christopher Preston, David Bowran |
4
| 14 | Wild Oat | 1985 | Avena fatua Wild Oat | Australia (Western Australia) | Western Australia | Western Australia | ACCase inhibitors (A/1) |
ACCase inhibitors (A/1)
| diclofop-methyl | Gurgeet Gill, David Bowran |
5
| 480 | Rigid Ryegrass | 1988 | Lolium rigidum Rigid Ryegrass | Australia (Western Australia) | Western Australia | Western Australia | Photosystem II inhibitors (C1/5) |
Photosystem II inhibitors (C1/5)
| atrazine, simazine | Stephen Powles, Christopher Preston |
6
| 316 | Rigid Ryegrass | 1988 | Lolium rigidum Rigid Ryegrass | Australia (Western Australia) | Western Australia | Western Australia | Carotenoid biosynthesis (unknown target) (F3/11) |
Carotenoid biosynthesis (unknown target) (F3/11)
| amitrole | Stephen Powles, Christopher Preston |
7
| 12 | African Mustard | 1992 | Brassica tournefortii African Mustard | Australia (Western Australia) | Western Australia | Western Australia | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| chlorsulfuron | Gurgeet Gill, David Bowran |
8
| 3 | Oriental Mustard | 1994 | Sisymbrium orientale Oriental Mustard | Australia (Western Australia) | Western Australia | Western Australia | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| chlorsulfuron, metosulam | Christopher Preston, Jim Phimster, Abul Hashem, David Bowran |
9
| 522 | Wild Radish | 1997 | Raphanus raphanistrum Wild Radish | Australia (Western Australia) | Western Australia | Western Australia | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| chlorsulfuron, metosulam | Stephen Powles, Abul Hashem, David Bowran |
10
| 5030 | Patersons Curse | 1997 | Echium plantagineum Patersons Curse | Australia (Western Australia) | Western Australia | | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| chlorsulfuron | Abul Hashem |
11
| 5033 | Wild Radish | 1998 | Raphanus 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
| 5358 | Wild Radish | 1999 | Raphanus raphanistrum Wild Radish | Australia (Western Australia) | Western Australia | Western Australia | Synthetic Auxins (O/4) |
Synthetic Auxins (O/4)
| 2,4-D | Michael Walsh |
13
| 1135 | Wild Radish | 1999 | Raphanus raphanistrum Wild Radish | Australia (Western Australia) | Western Australia | Western Australia | Photosystem II inhibitors (C1/5) |
Photosystem II inhibitors (C1/5)
| atrazine, simazine | Stephen Powles, Abul Hashem, David Bowran |
14
| 5325 | Rigid Ryegrass | 2003 | Lolium rigidum Rigid Ryegrass | Australia (Western Australia) | Western Australia | WA | EPSP synthase inhibitors (G/9) |
EPSP synthase inhibitors (G/9)
| glyphosate | Christopher Preston, Abul Hashem |
15
| 5251 | Smooth Barley | 2005 | Hordeum 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
| 5253 | Rigid Brome | 2005 | Bromus 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
| 7888 | Wild Radish | 2010 | Raphanus 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
| 5581 | Junglerice | 2010 | Echinochloa colona Junglerice | Australia (Western Australia) | Western Australia | | EPSP synthase inhibitors (G/9) |
EPSP synthase inhibitors (G/9)
| glyphosate | Stephen Powles, Todd Gaines |
19
| 5578 | Rigid Brome | 2011 | Bromus 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
| 6754 | Rigid Ryegrass | 2013 | Lolium 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
| 8899 | Longflowered veldtgrass | 2014 | Ehrharta 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
| 10964 | Red Brome | 2014 | Bromus rubens Red Brome | Australia (Western Australia) | Western Australia | | EPSP synthase inhibitors (G/9) |
EPSP synthase inhibitors (G/9)
| glyphosate | Abul Hashem |
23
| 11030 | Squirreltail Fescue | 2014 | Vulpia bromoides Squirreltail Fescue | Australia (Western Australia) | Western Australia | | Photosystem II inhibitors (C1/5) |
Photosystem II inhibitors (C1/5)
| simazine | Stephen Powles, Michael Ashworth |
24
| 14052 | Coat Buttons | 2016 | Tridax procumbens Coat Buttons | Australia (Western Australia) | Western Australia | | EPSP synthase inhibitors (G/9) |
EPSP synthase inhibitors (G/9)
| glyphosate | Stephen Powles |
25
| 17111 | Willow-leaved lettuce | 2017 | Lactuca saligna Willow-leaved lettuce | Australia (Western Australia) | Western Australia | | EPSP synthase inhibitors (G/9) |
EPSP synthase inhibitors (G/9)
| glyphosate | Abul Hashem |
26
| 19216 | Capeweed | 2020 | Arctotheca calendula Capeweed | Australia (Western Australia) | Western Australia | | ALS inhibitors (B/2), Carotenoid biosynthesis inhibitors (F1/12), EPSP synthase inhibitors (G/9) |
Multiple Resistance: 3 Sites of Action ALS inhibitors (B/2) Carotenoid biosynthesis inhibitors (F1/12) EPSP synthase inhibitors (G/9)
| diflufenican, glyphosate, metosulam | Hugh Beckie, Michael Ashworth, Heping Han |