1
| 389 | Rigid Ryegrass | 1982 | Lolium rigidum Rigid Ryegrass | Australia (South Australia) | South Australia | SA | ACCase inhibitors (A/1), ALS inhibitors (B/2), DOXP inhibitors (F4/13), Lipid Inhibitors (N/8), Long chain fatty acid inhibitors (K3/15), Microtubule inhibitors (K1/3), Mitosis inhibitors (K2/23) |
Multiple Resistance: 7 Sites of Action ACCase inhibitors (A/1) ALS inhibitors (B/2) DOXP inhibitors (F4/13) Lipid Inhibitors (N/8) Long chain fatty acid inhibitors (K3/15) Microtubule inhibitors (K1/3) Mitosis inhibitors (K2/23)
| chlorpropham, chlorsulfuron, clomazone, diclofop-methyl, ethalfluralin, fluazifop-P-butyl, imazapyr, metolachlor, metsulfuron-methyl, quizalofop-P-ethyl, sethoxydim, tralkoxydim, triallate, triasulfuron, trifluralin | Christopher Preston |
2
| 398 | Rigid Ryegrass | 1984 | Lolium rigidum Rigid Ryegrass | Australia (South Australia) | South Australia | SA | Long chain fatty acid inhibitors (K3/15) |
Long chain fatty acid inhibitors (K3/15)
| metolachlor | Stephen Powles |
3
| 20 | Wild Oat | 1988 | Avena fatua Wild Oat | Australia (South Australia) | South Australia | | ACCase inhibitors (A/1) |
ACCase inhibitors (A/1)
| diclofop-methyl, fluazifop-P-butyl, haloxyfop-methyl, tralkoxydim | Christopher Preston |
4
| 21 | Sterile Oat | 1989 | Avena sterilis Sterile Oat | Australia (South Australia) | South Australia | | ACCase inhibitors (A/1) |
ACCase inhibitors (A/1)
| diclofop-methyl, fluazifop-P-butyl, sethoxydim | Christopher Preston, Andrew Storrie |
5
| 24 | Oriental Mustard | 1990 | Sisymbrium orientale Oriental Mustard | Australia (South Australia) | South Australia | SA | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| chlorsulfuron, imazethapyr, metosulam, metsulfuron-methyl, triasulfuron | Christopher Preston |
6
| 5031 | Smooth Barley | 1990 | Hordeum murinum ssp. glaucum Smooth Barley | Australia (South Australia) | South Australia | | PSI Electron Diverter (D/22) |
PSI Electron Diverter (D/22)
| diquat, paraquat | Christopher Preston |
7
| 16 | Large Crabgrass | 1993 | Digitaria sanguinalis Large Crabgrass | Australia (South Australia) | South Australia | | ACCase inhibitors (A/1), ALS inhibitors (B/2) |
Multiple Resistance: 2 Sites of Action ACCase inhibitors (A/1) ALS inhibitors (B/2)
| fluazifop-P-butyl, haloxyfop-methyl, imazethapyr | Christopher Preston |
8
| 26 | Prickly Lettuce | 1994 | Lactuca serriola Prickly Lettuce | Australia (South Australia) | South Australia | | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| chlorsulfuron, flumetsulam, metosulam, metsulfuron-methyl, triasulfuron | Christopher Preston |
9
| 5226 | Rigid Ryegrass | 1994 | Lolium rigidum Rigid Ryegrass | Australia (South Australia) | South Australia | | Microtubule inhibitors (K1/3) |
Microtubule inhibitors (K1/3)
| trifluralin | Christopher Preston |
10
| 5202 | African Mustard | 1996 | Brassica tournefortii African Mustard | Australia (South Australia) | South Australia | | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| chlorsulfuron, imazamox, imazapyr, sulfometuron-methyl | Christopher Preston |
11
| 1143 | Hare Barley | 1996 | Hordeum murinum ssp. leporinum Hare Barley | Australia (South Australia) | South Australia | South Australia | ACCase inhibitors (A/1) |
ACCase inhibitors (A/1)
| fluazifop-P-butyl, haloxyfop-etotyl, quizalofop-P-ethyl | Christopher Preston |
12
| 1136 | Patersons Curse | 1997 | Echium plantagineum Patersons Curse | Australia (South Australia) | South Australia | South Australia | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| chlorsulfuron, metosulam | Christopher Preston, Abul Hashem, David Bowran |
13
| 5034 | Wild Radish | 1998 | Raphanus raphanistrum Wild Radish | Australia (South Australia) | South Australia | | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| chlorsulfuron, iodosulfuron-methyl-sodium, metosulam | Christopher Preston, Abul Hashem |
14
| 5188 | Rigid Ryegrass | 1999 | Lolium rigidum Rigid Ryegrass | Australia (South Australia) | South Australia | | EPSP synthase inhibitors (G/9) |
EPSP synthase inhibitors (G/9)
| glyphosate | Christopher Preston |
15
| 5095 | Smooth Barley | 2000 | Hordeum murinum ssp. glaucum Smooth Barley | Australia (South Australia) | South Australia | South Australia | ACCase inhibitors (A/1) |
ACCase inhibitors (A/1)
| fluazifop-P-butyl, quizalofop-P-ethyl | Christopher Preston |
16
| 5203 | Hare Barley | 2001 | Hordeum murinum ssp. leporinum Hare Barley | Australia (South Australia) | South Australia | | PSI Electron Diverter (D/22) |
PSI Electron Diverter (D/22)
| paraquat | Christopher Preston |
17
| 5219 | Perennial Wallrocket | 2004 | Diplotaxis tenuifolia Perennial Wallrocket | Australia (South Australia) | South Australia | | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| chlorsulfuron, triasulfuron | Christopher Preston |
18
| 5241 | Calomba daisy | 2004 | Pentzia suffruticosa Calomba daisy | Australia (South Australia) | South Australia | | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| metsulfuron-methyl | Christopher Preston, Peter Boutsalis |
19
| 5252 | Sterile oat | 2005 | Avena sterilis ssp. ludoviciana Sterile oat | Australia (South Australia) | South Australia | | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| iodosulfuron-methyl-sodium | Christopher Preston, Peter Boutsalis |
20
| 5255 | Crystalline Iceplant | 2005 | Mesembryanthemum crystallinum Crystalline Iceplant | Australia (South Australia) | South Australia | | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| chlorsulfuron | Christopher Preston |
21
| 5270 | Oriental Mustard | 2005 | Sisymbrium orientale Oriental Mustard | Australia (South Australia) | South Australia | | 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, imazethapyr, MCPA, metosulam, metsulfuron-methyl | Christopher Preston, Peter Boutsalis |
22
| 5364 | Wild Radish | 2006 | Raphanus raphanistrum Wild Radish | Australia (South Australia) | South Australia | | ALS inhibitors (B/2), Carotenoid biosynthesis inhibitors (F1/12), Synthetic Auxins (O/4) |
Multiple Resistance: 3 Sites of Action ALS inhibitors (B/2) Carotenoid biosynthesis inhibitors (F1/12) Synthetic Auxins (O/4)
| 2,4-D, diflufenican, MCPA, triasulfuron | Christopher Preston, Peter Boutsalis |
23
| 5298 | Rigid Brome | 2007 | Bromus diandrus ssp. rigidus (=B. rigidus) Rigid Brome | Australia (South Australia) | South Australia | | ACCase inhibitors (A/1) |
ACCase inhibitors (A/1)
| clethodim, fluazifop-P-butyl, haloxyfop-methyl, quizalofop-P-ethyl, tepraloxydim | Christopher Preston, Peter Boutsalis |
24
| 5515 | Rigid Ryegrass | 2008 | Lolium rigidum Rigid Ryegrass | Australia (South Australia) | South Australia | | Carotenoid biosynthesis (unknown target) (F3/11), EPSP synthase inhibitors (G/9) |
Multiple Resistance: 2 Sites of Action Carotenoid biosynthesis (unknown target) (F3/11) EPSP synthase inhibitors (G/9)
| amitrole, glyphosate | Christopher Preston, Peter Boutsalis |
25
| 5489 | Rigid Ryegrass | 2010 | Lolium rigidum Rigid Ryegrass | Australia (South Australia) | South Australia | | ACCase inhibitors (A/1), PSI Electron Diverter (D/22) |
Multiple Resistance: 2 Sites of Action ACCase inhibitors (A/1) PSI Electron Diverter (D/22)
| clethodim, paraquat | Christopher Preston, Peter Boutsalis |
26
| 5510 | Rigid Ryegrass | 2010 | Lolium rigidum Rigid Ryegrass | Australia (South Australia) | South Australia | | ACCase inhibitors (A/1), ALS inhibitors (B/2), EPSP synthase inhibitors (G/9), Photosystem II inhibitors (C1/5), PSI Electron Diverter (D/22) |
Multiple Resistance: 5 Sites of Action ACCase inhibitors (A/1) ALS inhibitors (B/2) EPSP synthase inhibitors (G/9) Photosystem II inhibitors (C1/5) PSI Electron Diverter (D/22)
| atrazine, chlorsulfuron, clethodim, glyphosate, haloxyfop-methyl, imazapyr, iodosulfuron-methyl-sodium, paraquat | Christopher Preston, Peter Boutsalis |
27
| 5579 | Rigid Brome | 2011 | Bromus diandrus ssp. rigidus (=B. rigidus) Rigid Brome | Australia (South Australia) | South Australia | | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| mesosulfuron-methyl, pyroxsulam | Peter Boutsalis |
28
| 5580 | Ripgut Brome | 2011 | Bromus diandrus Ripgut Brome | Australia (South Australia) | South Australia | | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| mesosulfuron-methyl, pyroxsulam | Peter Boutsalis |
29
| 5597 | Ripgut Brome | 2011 | Bromus diandrus Ripgut Brome | Australia (South Australia) | South Australia | | EPSP synthase inhibitors (G/9) |
EPSP synthase inhibitors (G/9)
| glyphosate | Christopher Preston, Peter Boutsalis |
30
| 5605 | Hairy Fleabane | 2011 | Conyza bonariensis Hairy Fleabane | Australia (South Australia) | South Australia | | EPSP synthase inhibitors (G/9) |
EPSP synthase inhibitors (G/9)
| glyphosate | Christopher Preston, Peter Boutsalis |
31
| 7837 | Threehorn Bedstraw | 2012 | Galium tricornutum Threehorn Bedstraw | Australia (South Australia) | South Australia | | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| imazamox, imazapyr, iodosulfuron-methyl-sodium, pyroxsulam | Christopher Preston, Peter Boutsalis |
32
| 10988 | Annual Sowthistle | 2015 | Sonchus oleraceus Annual Sowthistle | Australia (South Australia) | South Australia | | Synthetic Auxins (O/4) |
Synthetic Auxins (O/4)
| 2,4-D | Christopher Preston, Peter Boutsalis |
33
| 10989 | Annual Sowthistle | 2015 | Sonchus oleraceus Annual Sowthistle | Australia (South Australia) | South Australia | | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| chlorsulfuron | Christopher Preston, Peter Boutsalis |
34
| 11028 | Feather Fingergrass | 2015 | Chloris virgata Feather Fingergrass | Australia (South Australia) | South Australia | | EPSP synthase inhibitors (G/9) |
EPSP synthase inhibitors (G/9)
| glyphosate | Christopher Preston |
35
| 15055 | Capeweed | 2015 | Arctotheca calendula Capeweed | Australia (South Australia) | South Australia | | Synthetic Auxins (O/4) |
Synthetic Auxins (O/4)
| 2,4-D | Christopher Preston |
36
| 17118 | Smooth Barley | 2016 | Hordeum murinum ssp. glaucum Smooth Barley | Australia (South Australia) | South Australia | | EPSP synthase inhibitors (G/9) |
EPSP synthase inhibitors (G/9)
| glyphosate | Christopher Preston |
37
| 16084 | Annual Bluegrass | 2017 | Poa annua Annual Bluegrass | Australia (South Australia) | South Australia | | EPSP synthase inhibitors (G/9) |
EPSP synthase inhibitors (G/9)
| glyphosate | Peter Boutsalis |
38
| 16085 | Annual Bluegrass | 2017 | Poa annua Annual Bluegrass | Australia (South Australia) | South Australia | | Photosystem II inhibitors (C1/5) |
Photosystem II inhibitors (C1/5)
| simazine | Peter Boutsalis |
39
| 16086 | Annual Bluegrass | 2017 | Poa annua Annual Bluegrass | Australia (South Australia) | South Australia | | Unknown (Z/27) |
Unknown (Z/27)
| endothall | Peter Boutsalis |
40
| 16087 | Annual Bluegrass | 2017 | Poa annua Annual Bluegrass | Australia (South Australia) | South Australia | | Microtubule inhibitors (K1/3) |
Microtubule inhibitors (K1/3)
| propyzamide = pronamide | Peter Boutsalis |
41
| 16088 | Annual Bluegrass | 2017 | Poa annua Annual Bluegrass | Australia (South Australia) | South Australia | | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| bispyribac-sodium, foramsulfuron, iodosulfuron-methyl-sodium, rimsulfuron | Peter Boutsalis |