International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
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Herbicide Resistant Weeds in Indiana, United States.
#YearSpeciesSite of ActionActivesContacts
1 408Redroot Pigweed1980Amaranthus retroflexus
Redroot Pigweed
United States
(Indiana)
IndianaIN Photosystem II inhibitors (C1/5) Photosystem II inhibitors (C1/5) atrazine Daniel Childs
2 409Common Lambsquarters1980Chenopodium album
Common Lambsquarters
United States
(Indiana)
IndianaIN Photosystem II inhibitors (C1/5) Photosystem II inhibitors (C1/5) atrazine Daniel Childs
3 407Jimsonweed1992Datura stramonium
Jimsonweed
United States
(Indiana)
IndianaIN Photosystem II inhibitors (C1/5) Photosystem II inhibitors (C1/5) atrazine Daniel Childs
4 405Kochia1995Kochia scoparia
Kochia
United States
(Indiana)
IndianaIN ALS inhibitors (B/2), Photosystem II inhibitors (C1/5) Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
Photosystem II inhibitors (C1/5)
atrazine, cyanazine, metsulfuron-methyl Daniel Childs
5 1113Common Ragweed1998Ambrosia artemisiifolia
Common Ragweed
United States
(Indiana)
IndianaIN ALS inhibitors (B/2) ALS inhibitors (B/2) cloransulam-methyl, imazethapyr Paul Schmitzer
6 1123Giant Ragweed1998Ambrosia trifida
Giant Ragweed
United States
(Indiana)
IndianaIN ALS inhibitors (B/2) ALS inhibitors (B/2) cloransulam-methyl, imazethapyr Paul Schmitzer
7 5128Horseweed2002Conyza canadensis
Horseweed
United States
(Indiana)
Indiana  EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Mark Loux, Jeff Stachler
8 5520Giant Foxtail2004Setaria faberi
Giant Foxtail
United States
(Indiana)
Indiana  ALS inhibitors (B/2) ALS inhibitors (B/2) nicosulfuron, rimsulfuron William Johnson
9 5521Tall Waterhemp2005Amaranthus tuberculatus (=A. rudis)
Tall Waterhemp
United States
(Indiana)
Indiana  ALS inhibitors (B/2) ALS inhibitors (B/2) chlorimuron-ethyl, cloransulam-methyl, imazaquin, imazethapyr William Johnson
10 7836Horseweed2005Conyza canadensis
Horseweed
United States
(Indiana)
Indiana  ALS inhibitors (B/2) ALS inhibitors (B/2) chlorimuron-ethyl, cloransulam-methyl William Johnson
11 5279Giant Ragweed2005Ambrosia trifida
Giant Ragweed
United States
(Indiana)
IndianaIN EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate William Johnson
12 5282Johnsongrass2005Sorghum halepense
Johnsongrass
United States
(Indiana)
Indiana  ALS inhibitors (B/2) ALS inhibitors (B/2) nicosulfuron William Johnson, Glenn Nice
13 5281Shattercane2006Sorghum bicolor
Shattercane
United States
(Indiana)
Indiana  ALS inhibitors (B/2) ALS inhibitors (B/2) foramsulfuron, nicosulfuron William Johnson, Glenn Nice
14 5519Common Ragweed2007Ambrosia artemisiifolia
Common Ragweed
United States
(Indiana)
Indiana  EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate William Johnson
15 5518Tall Waterhemp2009Amaranthus tuberculatus (=A. rudis)
Tall Waterhemp
United States
(Indiana)
Indiana  EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate William Johnson
16 7835Palmer Amaranth2012Amaranthus palmeri
Palmer Amaranth
United States
(Indiana)
Indiana  EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate William Johnson
17 8919Tall Waterhemp2014Amaranthus tuberculatus (=A. rudis)
Tall Waterhemp
United States
(Indiana)
Indiana  PPO inhibitors (E/14) PPO inhibitors (E/14) fomesafen Bryan Young, R. Joseph Wuerffel
Contributing Weed Scientists
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Sunday, November 19, 2017 .  Available  www.weedscience.org
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