1
| Australia (Victoria) | Australia | Victoria | 2009 |
Golf courses, and Turf
|
endothall
| 1 |
UnknownHRAC Group 0 (Legacy Z)
| 130 | Poa annua | Annual Bluegrass | 5513 |
2
| Australia (South Australia) | Australia | South Australia | 2017 |
Golf courses
|
glyphosate
| 1 |
Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
HRAC Group 9 (Legacy G)
| 130 | Poa annua | Annual Bluegrass | 16084 |
3
| Australia (South Australia) | Australia | South Australia | 2017 |
Golf courses
|
simazine
| 1 |
PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2)
| 130 | Poa annua | Annual Bluegrass | 16085 |
4
| Australia (South Australia) | Australia | South Australia | 2017 |
Golf courses
|
endothall
| 1 |
UnknownHRAC Group 0 (Legacy Z)
| 130 | Poa annua | Annual Bluegrass | 16086 |
5
| Australia (South Australia) | Australia | South Australia | 2017 |
Golf courses
|
propyzamide/pronamide
| 1 |
Inhibition of Microtubule AssemblyHRAC Group 3 (Legacy K1)
| 130 | Poa annua | Annual Bluegrass | 16087 |
6
| Australia (South Australia) | Australia | South Australia | 2017 |
Golf courses
|
bispyribac-sodium, foramsulfuron, iodosulfuron-methyl-Na, and rimsulfuron
| 1 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 130 | Poa annua | Annual Bluegrass | 16088 |
7
| Australia (Victoria) | Australia | Victoria | 2017 |
Golf courses
|
bispyribac-sodium, foramsulfuron, iodosulfuron-methyl-Na, and rimsulfuron
| 1 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 130 | Poa annua | Annual Bluegrass | 16089 |
8
| Australia (Victoria) | Australia | Victoria | 2017 |
Golf courses
|
simazine
| 1 |
PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2)
| 130 | Poa annua | Annual Bluegrass | 16090 |
9
| Australia (Victoria) | Australia | Victoria | 2017 |
Golf courses
|
glyphosate
| 1 |
Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
HRAC Group 9 (Legacy G)
| 130 | Poa annua | Annual Bluegrass | 16091 |
10
| Australia (Victoria) | Australia | Victoria | 2017 |
Golf courses
|
propyzamide/pronamide
| 1 |
Inhibition of Microtubule AssemblyHRAC Group 3 (Legacy K1)
| 130 | Poa annua | Annual Bluegrass | 16092 |
11
| Australia (New South Wales ) | Australia | New South Wales | 2017 |
Golf courses
|
bispyribac-sodium, foramsulfuron, iodosulfuron-methyl-Na, and rimsulfuron
| 1 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 130 | Poa annua | Annual Bluegrass | 16093 |
12
| Australia (New South Wales ) | Australia | New South Wales | 2017 |
Golf courses
|
simazine
| 1 |
PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2)
| 130 | Poa annua | Annual Bluegrass | 16094 |
13
| Australia (New South Wales ) | Australia | New South Wales | 2017 |
Golf courses
|
glyphosate
| 1 |
Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
HRAC Group 9 (Legacy G)
| 130 | Poa annua | Annual Bluegrass | 16095 |
14
| Australia (New South Wales ) | Australia | New South Wales | 2017 |
Golf courses
|
endothall
| 1 |
UnknownHRAC Group 0 (Legacy Z)
| 130 | Poa annua | Annual Bluegrass | 16096 |
15
| Australia (New South Wales ) | Australia | New South Wales | 2017 |
Golf courses
|
propyzamide/pronamide
| 1 |
Inhibition of Microtubule AssemblyHRAC Group 3 (Legacy K1)
| 130 | Poa annua | Annual Bluegrass | 16097 |
16
| Australia (New South Wales ) | Australia | New South Wales | 2017 |
Golf courses
|
bispyribac-sodium, endothall, foramsulfuron, glyphosate, iodosulfuron-methyl-Na, propyzamide/pronamide, rimsulfuron, and simazine
| 1 |
Multiple Resistance: 5 Sites of Action Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B) PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2) Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
HRAC Group 9 (Legacy G) Inhibition of Microtubule AssemblyHRAC Group 3 (Legacy K1) UnknownHRAC Group 0 (Legacy Z)
| 130 | Poa annua | Annual Bluegrass | 16098 |
17
| Australia (New South Wales ) | Australia | New South Wales | 2017 |
Golf courses
|
pinoxaden
| 1 |
Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A)
| 130 | Poa annua | Annual Bluegrass | 18189 |
18
| Australia (Victoria) | Australia | Victoria | 2017 |
Golf courses
|
pinoxaden
| 1 |
Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A)
| 130 | Poa annua | Annual Bluegrass | 18190 |
19
| Belgium | Belgium | | 1981 |
Nurseries, Orchards, and Roadsides
|
simazine
| 3 |
PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2)
| 130 | Poa annua | Annual Bluegrass | 33 |
20
| Belgium | Belgium | | 1983 |
Orchards
|
amitrole
| 3 |
Inhibition of Lycopene Cyclase
HRAC Group 34 (Legacy F3)
| 130 | Poa annua | Annual Bluegrass | 38 |
21
| Belgium | Belgium | | 1993 |
Hops
|
paraquat
| 3 |
PS I Electron Diversion
HRAC Group 22 (Legacy D)
| 130 | Poa annua | Annual Bluegrass | 36 |
22
| Czech Republic | Czech Republic | | 1988 |
Orchards, and Railways
|
atrazine, cyanazine, prometryne, and terbutryne
| 12 |
PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2)
| 130 | Poa annua | Annual Bluegrass | 85 |
23
| France | France | | 1978 |
Orchards
|
atrazine
| 17 |
PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2)
| 130 | Poa annua | Annual Bluegrass | 464 |
24
| France | France | | 2015 |
Wheat
|
iodosulfuron-methyl-Na, and mesosulfuron-methyl
| 17 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 130 | Poa annua | Annual Bluegrass | 18180 |
25
| Germany | Germany | | 1980 |
Orchards
|
atrazine
| 18 |
PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2)
| 130 | Poa annua | Annual Bluegrass | 449 |
26
| Ireland | Ireland | | 2021 |
Wheat
|
iodosulfuron-methyl-Na, mesosulfuron-methyl, pinoxaden, propaquizafop, and pyroxsulam
| 81 |
Multiple Resistance: 2 Sites of Action Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A) Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 130 | Poa annua | Annual Bluegrass | 27262 |
27
| Japan | Japan | | 1982 |
Golf courses, and Turf
|
simazine
| 25 |
PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2)
| 130 | Poa annua | Annual Bluegrass | 117 |
28
| Netherlands | Netherlands | | 1981 |
Orchards
|
simazine
| 43 |
PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2)
| 130 | Poa annua | Annual Bluegrass | 219 |
29
| New Zealand | New Zealand | | 2020 |
Turf
|
haloxyfop-methyl
| 30 |
Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A)
| 130 | Poa annua | Annual Bluegrass | 18203 |
30
| Norway | Norway | | 1996 |
Nurseries
|
simazine
| 31 |
PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2)
| 130 | Poa annua | Annual Bluegrass | 388 |
31
| United Kingdom | United Kingdom | | 1981 |
Hops
|
paraquat
| 44 |
PS I Electron Diversion
HRAC Group 22 (Legacy D)
| 130 | Poa annua | Annual Bluegrass | 359 |
32
| United Kingdom | United Kingdom | | 1981 |
Orchards
|
simazine
| 44 |
PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2)
| 130 | Poa annua | Annual Bluegrass | 366 |
33
| United States (Alabama) | United States | Alabama | 1980 |
Pastures
|
simazine
| 45 |
PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2)
| 130 | Poa annua | Annual Bluegrass | 1166 |
34
| United States (Oregon) | United States | Oregon | 1994 |
Grass seed
|
ethofumesate
| 45 |
Very Long-Chain Fatty Acid Synthesis inhibitorsHRAC Group 15 (Legacy K3 N)
| 130 | Poa annua | Annual Bluegrass | 334 |
35
| United States (Oregon) | United States | Oregon | 1994 |
Grass seed
|
diuron
| 45 |
PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2)
| 130 | Poa annua | Annual Bluegrass | 336 |
36
| United States (Oregon) | United States | Oregon | 1994 |
Grass seed
|
atrazine
| 45 |
PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2)
| 130 | Poa annua | Annual Bluegrass | 338 |
37
| United States (North Carolina) | United States | North Carolina | 1995 |
Golf courses, and Turf
|
simazine
| 45 |
PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2)
| 130 | Poa annua | Annual Bluegrass | 1060 |
38
| United States (Mississippi) | United States | Mississippi | 1996 |
Turf
|
atrazine, and simazine
| 45 |
PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2)
| 130 | Poa annua | Annual Bluegrass | 1187 |
39
| United States (North Carolina) | United States | North Carolina | 1997 |
Golf courses, and Turf
|
pendimethalin, and prodiamine
| 45 |
Inhibition of Microtubule AssemblyHRAC Group 3 (Legacy K1)
| 130 | Poa annua | Annual Bluegrass | 1165 |
40
| United States (Oregon) | United States | Oregon | 2000 |
Grass seed
|
diuron, and metribuzin
| 45 |
PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2)
| 130 | Poa annua | Annual Bluegrass | 18181 |
41
| United States (Virginia) | United States | Virginia | 2001 |
Golf courses, and Turf
|
simazine
| 45 |
PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2)
| 130 | Poa annua | Annual Bluegrass | 5162 |
42
| United States (Tennessee) | United States | Tennessee | 2007 |
Golf courses, and Turf
|
dithiopyr, pendimethalin, and prodiamine
| 45 |
Inhibition of Microtubule AssemblyHRAC Group 3 (Legacy K1)
| 130 | Poa annua | Annual Bluegrass | 5645 |
43
| United States (Missouri) | United States | Missouri | 2010 |
Turf
|
glyphosate
| 45 |
Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
HRAC Group 9 (Legacy G)
| 130 | Poa annua | Annual Bluegrass | 5495 |
44
| United States (Tennessee) | United States | Tennessee | 2011 |
Golf courses, and Turf
|
glyphosate
| 45 |
Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
HRAC Group 9 (Legacy G)
| 130 | Poa annua | Annual Bluegrass | 5596 |
45
| United States (Alabama) | United States | Alabama | 2012 |
Turf
|
bispyribac-sodium, foramsulfuron, imazaquin, and trifloxysulfuron-Na
| 45 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 130 | Poa annua | Annual Bluegrass | 5644 |
46
| United States (Alabama) | United States | Alabama | 2012 |
Turf
|
dithiopyr, pendimethalin, and prodiamine
| 45 |
Inhibition of Microtubule AssemblyHRAC Group 3 (Legacy K1)
| 130 | Poa annua | Annual Bluegrass | 5695 |
47
| United States (Tennessee) | United States | Tennessee | 2013 |
Golf courses, and Turf
|
foramsulfuron, simazine, and trifloxysulfuron-Na
| 45 |
Multiple Resistance: 2 Sites of Action Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B) PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2)
| 130 | Poa annua | Annual Bluegrass | 6765 |
48
| United States (California) | United States | California | 2013 |
Almonds
|
glyphosate
| 45 |
Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
HRAC Group 9 (Legacy G)
| 130 | Poa annua | Annual Bluegrass | 7805 |
49
| United States (Mississippi) | United States | Mississippi | 2014 |
Golf courses
|
foramsulfuron
| 45 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 130 | Poa annua | Annual Bluegrass | 10982 |
50
| United States (Tennessee) | United States | Tennessee | 2017 |
Golf courses
|
flumioxazin, foramsulfuron, glufosinate-ammonium, glyphosate, Indaziflam, metribuzin, prodiamine, propyzamide/pronamide, and simazine
| 45 |
Multiple Resistance: 7 Sites of Action Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B) PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2) Inhibition of Protoporphyrinogen Oxidase
HRAC Group 14 (Legacy E) Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
HRAC Group 9 (Legacy G) Inhibition of Glutamine Synthetase
HRAC Group 10 (Legacy H) Inhibition of Microtubule AssemblyHRAC Group 3 (Legacy K1) Inhibition of Cellulose Synthesis
HRAC Group 29 (Legacy L)
| 130 | Poa annua | Annual Bluegrass | 23237 |
51
| United States (Georgia) | United States | Georgia | 2022 |
Golf courses
|
Indaziflam
| 45 |
Inhibition of Cellulose Synthesis
HRAC Group 29 (Legacy L)
| 130 | Poa annua | Annual Bluegrass | 25260 |