International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
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Herbicide Resistant Weeds in North Dakota, United States.
#YearSpeciesSite of ActionActivesContacts
1 423Kochia1987Kochia scoparia
Kochia
United States
(North Dakota)
North DakotaND ALS inhibitors (B/2) ALS inhibitors (B/2) chlorsulfuron, metsulfuron-methyl Richard Zollinger
2 493Green Foxtail1989Setaria viridis
Green Foxtail
United States
(North Dakota)
North DakotaND Microtubule inhibitors (K1/3) Microtubule inhibitors (K1/3) trifluralin Mick Anderson, Dallas Peterson
3 485Wild Oat1991Avena fatua
Wild Oat
United States
(North Dakota)
North DakotaND ACCase inhibitors (A/1) ACCase inhibitors (A/1) diclofop-methyl, fenoxaprop-P-ethyl Richard Zollinger, Kevin Staska
4 1047Kochia1995Kochia scoparia
Kochia
United States
(North Dakota)
North DakotaND Synthetic Auxins (O/4) Synthetic Auxins (O/4) dicamba Richard Zollinger
5 1048Wild Oat1996Avena fatua
Wild Oat
United States
(North Dakota)
North DakotaND ALS inhibitors (B/2) ALS inhibitors (B/2) imazamethabenz-methyl Richard Zollinger
6 1192Kochia1998Kochia scoparia
Kochia
United States
(North Dakota)
North DakotaND Photosystem II inhibitors (C1/5) Photosystem II inhibitors (C1/5) atrazine Mike Christoffers
7 1193Wild Mustard1999Sinapis arvensis
Wild Mustard
United States
(North Dakota)
North DakotaND ALS inhibitors (B/2) ALS inhibitors (B/2) cloransulam-methyl, imazethapyr, thifensulfuron-methyl Richard Zollinger, Mike Christoffers, Kirk Howatt
8 1196Eastern Black Nightshade1999Solanum ptycanthum
Eastern Black Nightshade
United States
(North Dakota)
North DakotaND ALS inhibitors (B/2) ALS inhibitors (B/2) imazamox, imazethapyr Richard Zollinger, Mike Christoffers, Kirk Howatt
9 5046Redroot Pigweed1999Amaranthus retroflexus
Redroot Pigweed
United States
(North Dakota)
North Dakota  ALS inhibitors (B/2) ALS inhibitors (B/2) imazethapyr Richard Zollinger
10 5236Marshelder2003Iva xanthifolia
Marshelder
United States
(North Dakota)
North Dakota  ALS inhibitors (B/2) ALS inhibitors (B/2) imazamox, tribenuron-methyl Kirk Howatt
11 10986Kochia2004Kochia scoparia
Kochia
United States
(North Dakota)
North Dakota  Photosystem II inhibitors (C1/5), PSII inhibitor (Ureas and amides) (C2/7) Multiple Resistance: 2 Sites of Action
Photosystem II inhibitors (C1/5)
PSII inhibitor (Ureas and amides) (C2/7)
diuron, metribuzin, tebuthiuron Mike Christoffers, Lemma Mengistu
12 5507Common Ragweed2007Ambrosia artemisiifolia
Common Ragweed
United States
(North Dakota)
North Dakota  EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Mike Christoffers, Jeff Stachler
13 5575Tall Waterhemp2010Amaranthus tuberculatus (=A. rudis)
Tall Waterhemp
United States
(North Dakota)
North Dakota  EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Jeff Stachler
14 5683Kochia2012Kochia scoparia
Kochia
United States
(North Dakota)
North Dakota  EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Kirk Howatt
Contributing Weed Scientists
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Friday, July 19, 2019 .  Available  www.weedscience.org
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