1
| 492 | Smooth Pigweed | 1977 | Amaranthus hybridus (syn: quitensis) Smooth Pigweed | United States (Delaware) | Delaware | DE | PSII inhibitors - Serine 264 Binders
(C1 C2/5) |
PSII inhibitors - Serine 264 Binders
(C1 C2/5)
| atrazine | Mark VanGessel |
2
| 491 | Common Lambsquarters | 1988 | Chenopodium album Common Lambsquarters | United States (Delaware) | Delaware | DE | PSII inhibitors - Serine 264 Binders
(C1 C2/5) |
PSII inhibitors - Serine 264 Binders
(C1 C2/5)
| atrazine | Mark VanGessel |
3
| 5086 | Horseweed | 2000 | Conyza canadensis Horseweed | United States (Delaware) | Delaware | | Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9) |
Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9)
| glyphosate | Mark VanGessel |
4
| 5160 | Smooth Pigweed | 2000 | Amaranthus hybridus (syn: quitensis) Smooth Pigweed | United States (Delaware) | Delaware | | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| imazethapyr | Mark VanGessel, Henry Wilson |
5
| 5257 | Horseweed | 2003 | Conyza canadensis Horseweed | United States (Delaware) | Delaware | DE | PS I Electron Diversion
(D/22) |
PS I Electron Diversion
(D/22)
| paraquat | Mark VanGessel |
6
| 5265 | Common Ragweed | 2005 | Ambrosia artemisiifolia Common Ragweed | United States (Delaware) | Delaware | | Inhibition of Acetolactate Synthase
(B/2), Inhibition of Protoporphyrinogen Oxidase
(E/14) |
Multiple Resistance: 2 Sites of Action Inhibition of Acetolactate Synthase
(B/2) Inhibition of Protoporphyrinogen Oxidase
(E/14)
| acifluorfen, carfentrazone-ethyl, chlorimuron-ethyl, cloransulam-methyl, flumiclorac-pentyl, flumioxazin, fomesafen, halosulfuron-methyl, imazamox, imazapyr, imazaquin, imazethapyr, iodosulfuron-methyl-Na, lactofen, metsulfuron-methyl, oxyfluorfen, primisulfuron-methyl, pyraflufen-ethyl, pyrithiobac-sodium, sulfentrazone, trifloxysulfuron-Na | Mark VanGessel |
7
| 5710 | Horseweed | 2010 | Conyza canadensis Horseweed | United States (Delaware) | Delaware | | 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 | Mark VanGessel |
8
| 5707 | Palmer Amaranth | 2012 | Amaranthus palmeri Palmer Amaranth | United States (Delaware) | Delaware | | Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9) |
Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9)
| glyphosate | Mark VanGessel |
9
| 5708 | Common Chickweed | 2012 | Stellaria media Common Chickweed | United States (Delaware) | Delaware | | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| thifensulfuron-methyl, tribenuron-methyl | Mark VanGessel |
10
| 5709 | Italian Ryegrass | 2012 | Lolium perenne ssp. multiflorum Italian Ryegrass | United States (Delaware) | Delaware | | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| mesosulfuron-methyl | Mark VanGessel |
11
| 8914 | Palmer Amaranth | 2014 | Amaranthus palmeri Palmer Amaranth | United States (Delaware) | Delaware | | 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)
| chlorimuron-ethyl, glyphosate | Mark VanGessel |