International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
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Herbicide Resistant Weeds in Saskatchewan, Canada.
#YearSpeciesSite of ActionActivesContacts
1 5069Kochia1988Kochia scoparia
Kochia
Canada
(Saskatchewan)
SaskatchewanSaskatchewan Inhibition of Acetolactate Synthase (B/2) Inhibition of Acetolactate Synthase (B/2) thifensulfuron-methyl, tribenuron-methyl Hugh Beckie
2 5067Russian-thistle1989Salsola tragus
Russian-thistle
Canada
(Saskatchewan)
SaskatchewanSaskatchewan Inhibition of Acetolactate Synthase (B/2) Inhibition of Acetolactate Synthase (B/2) chlorsulfuron Hugh Beckie
3 5041Wild Oat1990Avena fatua
Wild Oat
Canada
(Saskatchewan)
Saskatchewan  Inhibition of Acetyl CoA Carboxylase (A/1) Inhibition of Acetyl CoA Carboxylase (A/1) fenoxaprop-ethyl, sethoxydim Hugh Beckie
4 5040Green Foxtail1991Setaria viridis
Green Foxtail
Canada
(Saskatchewan)
Saskatchewan  Inhibition of Microtubule Assembly 2 (K1/3) Inhibition of Microtubule Assembly 2 (K1/3) ethalfluralin, trifluralin Hugh Beckie
5 5038Green Foxtail1996Setaria viridis
Green Foxtail
Canada
(Saskatchewan)
Saskatchewan  Inhibition of Acetyl CoA Carboxylase (A/1) Inhibition of Acetyl CoA Carboxylase (A/1) fenoxaprop-ethyl, sethoxydim Hugh Beckie
6 5070Green Foxtail1996Setaria viridis
Green Foxtail
Canada
(Saskatchewan)
Saskatchewan  Inhibition of Acetyl CoA Carboxylase (A/1), Inhibition of Microtubule Assembly 2 (K1/3) Multiple Resistance: 2 Sites of Action
Inhibition of Acetyl CoA Carboxylase (A/1)
Inhibition of Microtubule Assembly 2 (K1/3)
fenoxaprop-ethyl, trifluralin Hugh Beckie
7 5072Wild Oat1996Avena fatua
Wild Oat
Canada
(Saskatchewan)
Saskatchewan  Inhibition of Acetolactate Synthase (B/2) Inhibition of Acetolactate Synthase (B/2) imazamethabenz-methyl Hugh Beckie
8 5073Wild Oat1996Avena fatua
Wild Oat
Canada
(Saskatchewan)
Saskatchewan  Very Long-Chain Fatty Acid Synthesis inhibitors (K3 N/8) Very Long-Chain Fatty Acid Synthesis inhibitors (K3 N/8) tri-allate Hugh Beckie
9 5074Wild Oat1996Avena fatua
Wild Oat
Canada
(Saskatchewan)
Saskatchewan  Inhibition of Acetolactate Synthase (B/2), Inhibition of Acetyl CoA Carboxylase (A/1), Very Long-Chain Fatty Acid Synthesis inhibitors (K3 N/8) 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/8)
fenoxaprop-ethyl, imazamethabenz-methyl, tri-allate Hugh Beckie
10 5243Wild Mustard2002Sinapis arvensis
Wild Mustard
Canada
(Saskatchewan)
SaskatchewanSaskatchewan Inhibition of Acetolactate Synthase (B/2) Inhibition of Acetolactate Synthase (B/2) ethametsulfuron-methyl, imazethapyr, thifensulfuron-methyl, tribenuron-methyl Hugh Beckie
11 5244Persian Darnel2004Lolium persicum
Persian Darnel
Canada
(Saskatchewan)
SaskatchewanSaskatchewan Inhibition of Acetyl CoA Carboxylase (A/1) Inhibition of Acetyl CoA Carboxylase (A/1) tralkoxydim Hugh Beckie
12 5322Common Chickweed2005Stellaria media
Common Chickweed
Canada
(Saskatchewan)
Saskatchewan  Inhibition of Acetolactate Synthase (B/2) Inhibition of Acetolactate Synthase (B/2) thifensulfuron-methyl, tribenuron-methyl Hugh Beckie
13 5321False Cleavers2006Galium spurium
False Cleavers
Canada
(Saskatchewan)
Saskatchewan  Inhibition of Acetolactate Synthase (B/2) Inhibition of Acetolactate Synthase (B/2) thifensulfuron-methyl, tribenuron-methyl Hugh Beckie
14 5381Shepherd's-purse2008Capsella bursa-pastoris
Shepherd's-purse
Canada
(Saskatchewan)
Saskatchewan  Inhibition of Acetolactate Synthase (B/2) Inhibition of Acetolactate Synthase (B/2) imazamox, imazethapyr, thifensulfuron-methyl, tribenuron-methyl Hugh Beckie
15 5626Field Pennycress2009Thlaspi arvense
Field Pennycress
Canada
(Saskatchewan)
Saskatchewan  Inhibition of Acetolactate Synthase (B/2) Inhibition of Acetolactate Synthase (B/2) thifensulfuron-methyl, tribenuron-methyl Hugh Beckie
16 5627Common Lambsquarters2009Chenopodium album
Common Lambsquarters
Canada
(Saskatchewan)
Saskatchewan  Inhibition of Acetolactate Synthase (B/2) Inhibition of Acetolactate Synthase (B/2) thifensulfuron-methyl, tribenuron-methyl Hugh Beckie
17 5628Redroot Pigweed2010Amaranthus retroflexus
Redroot Pigweed
Canada
(Saskatchewan)
Saskatchewan  Inhibition of Acetolactate Synthase (B/2) Inhibition of Acetolactate Synthase (B/2) thifensulfuron-methyl, tribenuron-methyl Hugh Beckie
18 7834Kochia2012Kochia scoparia
Kochia
Canada
(Saskatchewan)
Saskatchewan  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
19 11032Kochia2015Kochia scoparia
Kochia
Canada
(Saskatchewan)
Saskatchewan  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)
dicamba, fluroxypyr, thifensulfuron-methyl, tribenuron-methyl Hugh Beckie
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Monday, September 27, 2021 .  Available  www.weedscience.org
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