Herbicide Resistant Weeds

HERBICIDE RESISTANT WEEDS OF CANADA
#	Species Click for details	Common Name	Year	Herbicide Mode of Action
1.	*Polygonum convolvulus*	Wild Buckwheat	2007	ALS inhibitors
3.	Avena fatua Multiple Resistance	Wild Oat	1989	Thiocarbamates and others Unknown
4.	*Avena fatua*	Wild Oat	1991	ACCase inhibitors
5.	*Avena fatua*	Wild Oat	1998	ALS inhibitors
8.	Avena fatua Multiple Resistance	Wild Oat	1998	ACCase inhibitors ALS inhibitors Thiocarbamates and others
9.	*Galeopsis tetrahit*	Common Hempnettle	1998	Synthetic Auxins
10.	*Galeopsis tetrahit*	Common Hempnettle	2006	ALS inhibitors
12.	Galium spurium Multiple Resistance	False Cleavers	1996	ALS inhibitors Synthetic Auxins
13.	*Kochia scoparia*	Kochia	1989	ALS inhibitors
14.	*Neslia paniculata*	Ball Mustard	1998	ALS inhibitors
15.	*Setaria viridis*	Green Foxtail	1996	ACCase inhibitors
16.	*Setaria viridis*	Green Foxtail	1989	Dinitroanilines and others
17.	*Sinapis arvensis*	Wild Mustard	1993	ALS inhibitors
18.	*Sonchus asper*	Spiny Sowthistle	1996	ALS inhibitors
19.	*Stellaria media*	Common Chickweed	1988	ALS inhibitors
20.	*Thlaspi arvense*	Field Penny Cress	2001	ALS inhibitors
Manitoba
1.	*Amaranthus retroflexus*	Redroot Pigweed	2002	ALS inhibitors
2.	*Avena fatua*	Wild Oat	1990	ACCase inhibitors
5.	Avena fatua Multiple Resistance	Wild Oat	1994	ACCase inhibitors ALS inhibitors Arylaminopropionic acids
6.	*Avena fatua*	Wild Oat	1997	ALS inhibitors
7.	*Avena fatua*	Wild Oat	1997	Thiocarbamates and others
11.	Avena fatua Multiple Resistance	Wild Oat	1997	ACCase inhibitors ALS inhibitors Thiocarbamates and others Arylaminopropionic acids
12.	*Galeopsis tetrahit*	Common Hempnettle	1995	ALS inhibitors
13.	*Kochia scoparia*	Kochia	1988	ALS inhibitors
14.	*Setaria viridis*	Green Foxtail	1988	Dinitroanilines and others
15.	*Setaria viridis*	Green Foxtail	1991	ACCase inhibitors
17.	Setaria viridis Multiple Resistance	Green Foxtail	1992	ACCase inhibitors Dinitroanilines and others
18.	*Setaria viridis*	Green Foxtail	2002	ALS inhibitors
19.	*Sinapis arvensis*	Wild Mustard	1992	ALS inhibitors
20.	*Sinapis arvensis*	Wild Mustard	1990	Synthetic Auxins
21.	*Sinapis arvensis*	Wild Mustard	1994	Photosystem II inhibitors
Ontario
1.	*Amaranthus hybridus*	Smooth Pigweed	2004	Nitriles and others
2.	*Amaranthus powellii*	Powell Amaranth	1977	Photosystem II inhibitors
3.	*Amaranthus powellii*	Powell Amaranth	1998	ALS inhibitors
5.	Amaranthus powellii Multiple Resistance	Powell Amaranth	1999	Photosystem II inhibitors Ureas and amides
7.	Amaranthus powellii Multiple Resistance	Powell Amaranth	1998	ALS inhibitors Photosystem II inhibitors
8.	*Amaranthus retroflexus*	Redroot Pigweed	1980	Photosystem II inhibitors
9.	*Amaranthus retroflexus*	Redroot Pigweed	1998	ALS inhibitors
10.	*Amaranthus retroflexus*	Redroot Pigweed	2001	Ureas and amides
11.	*Amaranthus retroflexus*	Redroot Pigweed	2005	Nitriles and others
13.	Amaranthus tuberculatus (syn. rudis) Multiple Resistance	Tall Waterhemp	2002	ALS inhibitors Photosystem II inhibitors
14.	*Amaranthus tuberculatus (syn. rudis)*	Tall Waterhemp	2002	ALS inhibitors
15.	*Ambrosia artemisiifolia*	Common Ragweed	1976	Photosystem II inhibitors
16.	*Ambrosia artemisiifolia*	Common Ragweed	2000	ALS inhibitors
17.	*Ambrosia trifida*	Giant Ragweed	2008	Glycines
18.	*Chenopodium album*	Lambsquarters	1973	Photosystem II inhibitors
19.	*Chenopodium album*	Lambsquarters	2001	ALS inhibitors
20.	*Chenopodium strictum var. glaucophyllum*	Late Flowering Goosefoot	1976	Photosystem II inhibitors
21.	*Conyza canadensis*	Horseweed	1993	Bipyridiliums
22.	*Daucus carota*	Wild Carrot	1952	Synthetic Auxins
23.	*Echinochloa crus-galli*	Barnyardgrass	1981	Photosystem II inhibitors
24.	*Lepidium virginicum*	Virginia Pepperweed	1993	Bipyridiliums
25.	*Panicum capillare*	Witchgrass	1981	Photosystem II inhibitors
26.	*Senecio vulgaris*	Common Groundsel	1977	Photosystem II inhibitors
27.	*Setaria faberi*	Giant Foxtail	2003	ALS inhibitors
28.	*Setaria glauca*	Yellow Foxtail (glauca)	1981	Photosystem II inhibitors
29.	*Setaria viridis*	Green Foxtail	2001	ALS inhibitors
30.	*Sinapis arvensis*	Wild Mustard	1983	Photosystem II inhibitors
31.	*Solanum ptycanthum*	Eastern Black Nightshade	2000	ALS inhibitors
Quebec
1.	*Amaranthus retroflexus*	Redroot Pigweed	2001	Ureas and amides
2.	*Ambrosia artemisiifolia*	Common Ragweed	1999	Ureas and amides
3.	*Brassica campestris*	Birdsrape Mustard	1977	Photosystem II inhibitors
Saskatchewan
1.	*Avena fatua*	Wild Oat	1990	ACCase inhibitors
2.	*Avena fatua*	Wild Oat	1996	ALS inhibitors
3.	*Avena fatua*	Wild Oat	1996	Thiocarbamates and others
6.	Avena fatua Multiple Resistance	Wild Oat	1996	ACCase inhibitors ALS inhibitors Thiocarbamates and others
7.	*Capsella bursa-pastoris*	Shepherd's-purse	2008	ALS inhibitors
8.	*Galium spurium*	False Cleavers	2006	ALS inhibitors
9.	*Kochia scoparia*	Kochia	1988	ALS inhibitors
10.	*Lolium persicum*	Persian Darnell	2004	ACCase inhibitors
11.	*Salsola iberica*	Russian Thistle	1989	ALS inhibitors
12.	*Setaria viridis*	Green Foxtail	1996	ACCase inhibitors
13.	*Setaria viridis*	Green Foxtail	1991	Dinitroanilines and others
15.	Setaria viridis Multiple Resistance	Green Foxtail	1996	ACCase inhibitors Dinitroanilines and others
16.	*Sinapis arvensis*	Wild Mustard	2002	ALS inhibitors
17.	*Sinapis arvensis*	Wild Mustard	2005	ALS inhibitors
18.	*Stellaria media*	Common Chickweed	2005	ALS inhibitors