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Herbicide Resistant Weeds in Manitoba, Canada.

#	ResistID		Year	Species	Country	StateName	State	MOAs	Site of Action	Actives	Contacts
1	52	Green Foxtail	1988	Setaria viridis Green Foxtail	Canada (Manitoba)	Manitoba	Manitoba	Inhibition of Microtubule Assembly (K1/3)	Inhibition of Microtubule Assembly (K1/3)	ethalfluralin, trifluralin	Hugh Beckie, Lyle Friesen
2	57	Kochia	1988	Kochia scoparia Kochia	Canada (Manitoba)	Manitoba		Inhibition of Acetolactate Synthase (B/2)	Inhibition of Acetolactate Synthase (B/2)	chlorsulfuron, imazethapyr, metsulfuron-methyl, thifensulfuron-methyl, triasulfuron, tribenuron-methyl	Rene Van Acker, Lyle Friesen
3	55	Wild Mustard	1990	Sinapis arvensis Wild Mustard	Canada (Manitoba)	Manitoba	Manitoba	Auxin Mimics (O/4)	Auxin Mimics (O/4)	2,4-D, dicamba, dichlorprop, MCPA, mecoprop, picloram	Lyle Friesen
4	50	Wild Oat	1990	Avena fatua Wild Oat	Canada (Manitoba)	Manitoba	Manitoba	Inhibition of Acetyl CoA Carboxylase (A/1)	Inhibition of Acetyl CoA Carboxylase (A/1)	clethodim, clodinafop-propargyl, diclofop-methyl, fenoxaprop-ethyl, sethoxydim, tralkoxydim	Hugh Beckie, Rene Van Acker, Lyle Friesen
5	53	Green Foxtail	1991	Setaria viridis Green Foxtail	Canada (Manitoba)	Manitoba	Manitoba	Inhibition of Acetyl CoA Carboxylase (A/1)	Inhibition of Acetyl CoA Carboxylase (A/1)	diclofop-methyl, fenoxaprop-ethyl, sethoxydim, tralkoxydim	Hugh Beckie, Rene Van Acker, Lyle Friesen
6	54	Wild Mustard	1992	Sinapis arvensis Wild Mustard	Canada (Manitoba)	Manitoba	Manitoba	Inhibition of Acetolactate Synthase (B/2)	Inhibition of Acetolactate Synthase (B/2)	ethametsulfuron-methyl, metsulfuron-methyl	John O'Donovan, Rene Van Acker, Lyle Friesen
7	5037	Green Foxtail	1992	Setaria viridis Green Foxtail	Canada (Manitoba)	Manitoba		Inhibition of Acetyl CoA Carboxylase (A/1), Inhibition of Microtubule Assembly (K1/3)	Multiple Resistance: 2 Sites of Action Inhibition of Acetyl CoA Carboxylase (A/1) Inhibition of Microtubule Assembly (K1/3)	diclofop-methyl, ethalfluralin, fenoxaprop-ethyl, sethoxydim, tralkoxydim, trifluralin	Lyle Friesen
8	51	Wild Oat	1994	Avena fatua Wild Oat	Canada (Manitoba)	Manitoba	Manitoba	Antimicrotubule mitotic disrupter (Z/25), Inhibition of Acetolactate Synthase (B/2), Inhibition of Acetyl CoA Carboxylase (A/1)	Multiple Resistance: 3 Sites of Action Antimicrotubule mitotic disrupter (Z/25) Inhibition of Acetolactate Synthase (B/2) Inhibition of Acetyl CoA Carboxylase (A/1)	fenoxaprop-ethyl, flamprop-methyl, imazamethabenz-methyl, rimsulfuron	Hugh Beckie, Rene Van Acker, Lyle Friesen
9	56	Wild Mustard	1994	Sinapis arvensis Wild Mustard	Canada (Manitoba)	Manitoba	Manitoba	PSII inhibitors - Serine 264 Binders (C1 C2/5)	PSII inhibitors - Serine 264 Binders (C1 C2/5)	metribuzin	Rene Van Acker, Lyle Friesen
10	476	Common Hempnettle	1995	Galeopsis tetrahit Common Hempnettle	Canada (Manitoba)	Manitoba	MB	Inhibition of Acetolactate Synthase (B/2)	Inhibition of Acetolactate Synthase (B/2)	metsulfuron-methyl	Rene Van Acker, Lyle Friesen
11	5077	Wild Oat	1997	Avena fatua Wild Oat	Canada (Manitoba)	Manitoba		Inhibition of Acetolactate Synthase (B/2)	Inhibition of Acetolactate Synthase (B/2)	imazamethabenz-methyl	Hugh Beckie
12	5078	Wild Oat	1997	Avena fatua Wild Oat	Canada (Manitoba)	Manitoba		Very Long-Chain Fatty Acid Synthesis inhibitors (K3 N/15)	Very Long-Chain Fatty Acid Synthesis inhibitors (K3 N/15)	tri-allate	Hugh Beckie
13	5079	Wild Oat	1997	Avena fatua Wild Oat	Canada (Manitoba)	Manitoba		Antimicrotubule mitotic disrupter (Z/25), 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: 4 Sites of Action Antimicrotubule mitotic disrupter (Z/25) 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, flamprop-methyl, imazamethabenz-methyl, tri-allate	Hugh Beckie
14	5221	Green Foxtail	2002	Setaria viridis Green Foxtail	Canada (Manitoba)	Manitoba		Inhibition of Acetolactate Synthase (B/2)	Inhibition of Acetolactate Synthase (B/2)	imazethapyr, sulfosulfuron	Hugh Beckie
15	5222	Redroot Pigweed	2002	Amaranthus retroflexus Redroot Pigweed	Canada (Manitoba)	Manitoba		Inhibition of Acetolactate Synthase (B/2)	Inhibition of Acetolactate Synthase (B/2)	florasulam	Hugh Beckie
16	5624	Field Pennycress	2008	Thlaspi arvense Field Pennycress	Canada (Manitoba)	Manitoba		Inhibition of Acetolactate Synthase (B/2)	Inhibition of Acetolactate Synthase (B/2)	thifensulfuron-methyl, tribenuron-methyl	Hugh Beckie
17	5629	False Cleavers	2008	Galium spurium False Cleavers	Canada (Manitoba)	Manitoba		Inhibition of Acetolactate Synthase (B/2)	Inhibition of Acetolactate Synthase (B/2)	thifensulfuron-methyl, tribenuron-methyl	Hugh Beckie
18	5630	Common Chickweed	2008	Stellaria media Common Chickweed	Canada (Manitoba)	Manitoba		Inhibition of Acetolactate Synthase (B/2)	Inhibition of Acetolactate Synthase (B/2)	thifensulfuron-methyl, tribenuron-methyl	Hugh Beckie
19	5631	Powell Amaranth	2008	Amaranthus powellii Powell Amaranth	Canada (Manitoba)	Manitoba		Inhibition of Acetolactate Synthase (B/2)	Inhibition of Acetolactate Synthase (B/2)	thifensulfuron-methyl, tribenuron-methyl	Hugh Beckie
20	5625	Pale Smartweed	2009	Polygonum lapathifolium Pale Smartweed	Canada (Manitoba)	Manitoba		Inhibition of Acetolactate Synthase (B/2)	Inhibition of Acetolactate Synthase (B/2)	thifensulfuron-methyl, tribenuron-methyl	Hugh Beckie
21	9942	Kochia	2014	Kochia scoparia Kochia	Canada (Manitoba)	Manitoba		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	Hugh Beckie
22	11033	Wild Oat	2015	Avena fatua Wild Oat	Canada (Manitoba)	Manitoba		Inhibition of Acetolactate Synthase (B/2), Inhibition of Acetyl CoA Carboxylase (A/1), Inhibition of Protoporphyrinogen Oxidase (E/14), Very Long-Chain Fatty Acid Synthesis inhibitors (K3 N/15)	Multiple Resistance: 4 Sites of Action Inhibition of Acetolactate Synthase (B/2) Inhibition of Acetyl CoA Carboxylase (A/1) Inhibition of Protoporphyrinogen Oxidase (E/14) Very Long-Chain Fatty Acid Synthesis inhibitors (K3 N/15)	fenoxaprop-ethyl, imazamethabenz-methyl, imazapyr, pyroxasulfone, quizalofop-ethyl, sulfentrazone, tri-allate	Linda Hall, Hugh Beckie

Contributing Weed Scientists

Lyle Friesen

University Of Manitoba
Agriculture Bldg
Rua Hugo Cabral 1065 Apto 301
Winnipeg Manitoba R3T 2N2
Canada
Email: lyle_friesen@umanitoba.ca

Rene Van Acker

University Of Manitoba
1608 McClaren Dr.
Winnipeg Manitoba R3T 2N2
Canada
Email: rene_van_acker@umanitoba.ca

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