1
| 481 | Common Chickweed | 1988 | Stellaria media Common Chickweed | Canada (Alberta) | Alberta | | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| chlorsulfuron, ethametsulfuron-methyl, imazamethabenz-methyl, metsulfuron-methyl, sulfometuron-methyl, thifensulfuron-methyl | Linda Hall, Malcolm Devine |
2
| 65 | Kochia | 1989 | Kochia scoparia Kochia | Canada (Alberta) | Alberta | Alberta | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| chlorsulfuron, metsulfuron-methyl, thifensulfuron-methyl, tribenuron-methyl | Linda Hall |
3
| 66 | Wild Oat | 1989 | Avena fatua Wild Oat | Canada (Alberta) | Alberta | Alberta | Cell elongation inhibitors (Z/8), Very Long-Chain Fatty Acid Synthesis inhibitors (K3 N/15) |
Multiple Resistance: 2 Sites of Action Cell elongation inhibitors (Z/8) Very Long-Chain Fatty Acid Synthesis inhibitors (K3 N/15)
| difenzoquat, tri-allate | John O'Donovan, Robert Blackshaw, Hugh Beckie |
4
| 5071 | Green Foxtail | 1989 | Setaria viridis Green Foxtail | Canada (Alberta) | Alberta | | Inhibition of Microtubule Assembly (K1/3) |
Inhibition of Microtubule Assembly (K1/3)
| ethalfluralin, trifluralin | Hugh Beckie |
5
| 67 | Wild Oat | 1991 | Avena fatua Wild Oat | Canada (Alberta) | Alberta | Alberta | Inhibition of Acetyl CoA Carboxylase
(A/1) |
Inhibition of Acetyl CoA Carboxylase
(A/1)
| diclofop-methyl, fenoxaprop-ethyl, quizalofop-ethyl, tralkoxydim | Robert Blackshaw |
6
| 5036 | Wild Mustard | 1993 | Sinapis arvensis Wild Mustard | Canada (Alberta) | Alberta | | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| ethametsulfuron-methyl, metsulfuron-methyl | John O'Donovan, Lyle Friesen |
7
| 5039 | Green Foxtail | 1996 | Setaria viridis Green Foxtail | Canada (Alberta) | Alberta | | Inhibition of Acetyl CoA Carboxylase
(A/1) |
Inhibition of Acetyl CoA Carboxylase
(A/1)
| diclofop-methyl, fenoxaprop-ethyl, sethoxydim | John O'Donovan, Hugh Beckie |
8
| 508 | False Cleavers | 1996 | Galium spurium False Cleavers | Canada (Alberta) | Alberta | | Auxin Mimics
(O/4), Inhibition of Acetolactate Synthase
(B/2) |
Multiple Resistance: 2 Sites of Action Auxin Mimics
(O/4) Inhibition of Acetolactate Synthase
(B/2)
| imazethapyr, metsulfuron-methyl, quinclorac, sulfometuron-methyl, thifensulfuron-methyl, triasulfuron, tribenuron-methyl | Linda Hall |
9
| 1153 | Spiny Sowthistle | 1996 | Sonchus asper Spiny Sowthistle | Canada (Alberta) | Alberta | | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| chlorsulfuron, metsulfuron-methyl, thifensulfuron-methyl, tribenuron-methyl | John O'Donovan |
10
| 1154 | Common Hempnettle | 1998 | Galeopsis tetrahit Common Hempnettle | Canada (Alberta) | Alberta | Alberta | Auxin Mimics
(O/4) |
Auxin Mimics
(O/4)
| dicamba, fluroxypyr, MCPA | John O'Donovan, Chris Hall, Lyle Friesen, Tsafrir Weinberg |
11
| 1155 | Ball Mustard | 1998 | Neslia paniculata Ball Mustard | Canada (Alberta) | Alberta | Alberta | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| metsulfuron-methyl | John O'Donovan, Rene Van Acker, Lyle Friesen |
12
| 5075 | Wild Oat | 1998 | Avena fatua Wild Oat | Canada (Alberta) | Alberta | | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| imazamethabenz-methyl | Hugh Beckie |
13
| 5076 | Wild Oat | 1998 | Avena fatua Wild Oat | Canada (Alberta) | Alberta | | Inhibition of Acetolactate Synthase
(B/2), Inhibition of Acetyl CoA Carboxylase
(A/1), Very Long-Chain Fatty Acid Synthesis inhibitors (K3 N/15) |
Multiple Resistance: 3 Sites of Action Inhibition of Acetolactate Synthase
(B/2) Inhibition of Acetyl CoA Carboxylase
(A/1) Very Long-Chain Fatty Acid Synthesis inhibitors (K3 N/15)
| fenoxaprop-ethyl, imazamethabenz-methyl, tri-allate | Hugh Beckie |
14
| 5097 | Field Pennycress | 2001 | Thlaspi arvense Field Pennycress | Canada (Alberta) | Alberta | | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| ethametsulfuron-methyl, imazethapyr, metsulfuron-methyl, thifensulfuron-methyl | Hugh Beckie |
15
| 5320 | Common Hempnettle | 2006 | Galeopsis tetrahit Common Hempnettle | Canada (Alberta) | Alberta | Alberta | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| thifensulfuron-methyl, tribenuron-methyl | Hugh Beckie |
16
| 5379 | Wild Buckwheat | 2007 | Polygonum convolvulus (=Fallopia convolvulus) Wild Buckwheat | Canada (Alberta) | Alberta | | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| florasulam, thifensulfuron-methyl, tribenuron-methyl | Hugh Beckie |
17
| 7831 | Russian-thistle | 2007 | Salsola tragus Russian-thistle | Canada (Alberta) | Alberta | | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| thifensulfuron-methyl, tribenuron-methyl | Hugh Beckie |
18
| 7832 | Persian Darnel | 2009 | Lolium persicum Persian Darnel | Canada (Alberta) | Alberta | | Inhibition of Acetyl CoA Carboxylase
(A/1) |
Inhibition of Acetyl CoA Carboxylase
(A/1)
| fenoxaprop-ethyl, pinoxaden, tralkoxydim | Hugh Beckie |
19
| 5606 | Narrowleaf Hawksbeard | 2011 | Crepis tectorum Narrowleaf Hawksbeard | Canada (Alberta) | Alberta | | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| metsulfuron-methyl | Hugh Beckie |
20
| 5623 | Shepherd's-purse | 2011 | Capsella bursa-pastoris Shepherd's-purse | Canada (Alberta) | Alberta | | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| thifensulfuron-methyl, tribenuron-methyl | Hugh Beckie |
21
| 5616 | Cowcockle | 2012 | Vaccaria hispanica Cowcockle | Canada (Alberta) | Alberta | | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| metsulfuron-methyl, thifensulfuron-methyl, tribenuron-methyl | Hugh Beckie |
22
| 5592 | Kochia | 2012 | Kochia scoparia Kochia | Canada (Alberta) | Alberta | | Inhibition of Acetolactate Synthase
(B/2), Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9) |
Multiple Resistance: 2 Sites of Action Inhibition of Acetolactate Synthase
(B/2) Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9)
| glyphosate, thifensulfuron-methyl, tribenuron-methyl | Linda Hall, Robert Blackshaw, Hugh Beckie |
23
| 11002 | Pale Smartweed | 2014 | Polygonum lapathifolium Pale Smartweed | Canada (Alberta) | Alberta | | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| imazethapyr | Hugh Beckie |
24
| 17147 | Kochia | 2017 | Kochia scoparia Kochia | Canada (Alberta) | Alberta | | Auxin Mimics
(O/4), Inhibition of Acetolactate Synthase
(B/2), Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9) |
Multiple Resistance: 3 Sites of Action Auxin Mimics
(O/4) Inhibition of Acetolactate Synthase
(B/2) Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9)
| dicamba, glyphosate, thifensulfuron-methyl, tribenuron-methyl | Hugh Beckie |
25
| 21234 | Downy Brome (Cheatgrass) | 2021 | Bromus tectorum Downy Brome (Cheatgrass) | Canada (Alberta) | Alberta | | Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9) |
Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9)
| glyphosate | Charles Geddes |
26
| 25263 | Foxtail Barley | 2022 | Hordeum jubatum Foxtail Barley | Canada (Alberta) | Alberta | | Inhibition of Acetyl CoA Carboxylase
(A/1) |
Inhibition of Acetyl CoA Carboxylase
(A/1)
| quizalofop-ethyl | Charles Geddes |