International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
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Herbicide Resistant Weeds in New Jersey, United States.
#YearSpeciesSite of ActionActivesContacts
1 494Smooth Pigweed1980Amaranthus hybridus (syn: quitensis)
Smooth Pigweed
United States
(New Jersey)
New JerseyNJ Photosystem II inhibitors (C1/5) Photosystem II inhibitors (C1/5) atrazine Bradley Majek
2 1167Livid Amaranth1993Amaranthus blitum (ssp. oleraceus)
Livid Amaranth
United States
(New Jersey)
New JerseyNJ ALS inhibitors (B/2) ALS inhibitors (B/2) imazethapyr Bradley Majek
3 556Smooth Crabgrass1996Digitaria ischaemum
Smooth Crabgrass
United States
(New Jersey)
New JerseyNJ ACCase inhibitors (A/1) ACCase inhibitors (A/1) fenoxaprop-P-ethyl Jeffrey Derr
4 5130Horseweed2002Conyza canadensis
Horseweed
United States
(New Jersey)
New Jersey  EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Mark VanGessel
5 8916Common Ragweed2013Ambrosia artemisiifolia
Common Ragweed
United States
(New Jersey)
New Jersey  EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Mark VanGessel
6 9922Palmer Amaranth2014Amaranthus palmeri
Palmer Amaranth
United States
(New Jersey)
New Jersey  EPSP synthase inhibitors (G/9) EPSP synthase inhibitors (G/9) glyphosate Mark VanGessel
7 17110Common Ragweed2016Ambrosia artemisiifolia
Common Ragweed
United States
(New Jersey)
New Jersey  ALS inhibitors (B/2), EPSP synthase inhibitors (G/9), PPO inhibitors (E/14) Multiple Resistance: 3 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
PPO inhibitors (E/14)
cloransulam-methyl, fomesafen, glyphosate Mark VanGessel
Contributing Weed Scientists
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Monday, August 19, 2019 .  Available  www.weedscience.org
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