1
| 429 | Smooth Pigweed | 1972 | Amaranthus hybridus (syn: quitensis) Smooth Pigweed | United States (Maryland) | Maryland | MD | PSII inhibitors - Serine 264 Binders
(C1 C2/5) |
PSII inhibitors - Serine 264 Binders
(C1 C2/5)
| atrazine | Ronald Ritter |
2
| 426 | Barnyardgrass | 1978 | Echinochloa crus-galli var. crus-galli Barnyardgrass | United States (Maryland) | Maryland | MD | PSII inhibitors - Serine 264 Binders
(C1 C2/5) |
PSII inhibitors - Serine 264 Binders
(C1 C2/5)
| atrazine, cyanazine, simazine | Ronald Ritter |
3
| 424 | Common Lambsquarters | 1982 | Chenopodium album Common Lambsquarters | United States (Maryland) | Maryland | MD | PSII inhibitors - Serine 264 Binders
(C1 C2/5) |
PSII inhibitors - Serine 264 Binders
(C1 C2/5)
| atrazine | Ronald Ritter |
4
| 425 | Velvetleaf | 1984 | Abutilon theophrasti Velvetleaf | United States (Maryland) | Maryland | MD | PSII inhibitors - Serine 264 Binders
(C1 C2/5) |
PSII inhibitors - Serine 264 Binders
(C1 C2/5)
| atrazine | Ronald Ritter |
5
| 427 | Yellow Foxtail | 1984 | Setaria pumila (=S. glauca) Yellow Foxtail | United States (Maryland) | Maryland | MD | PSII inhibitors - Serine 264 Binders
(C1 C2/5) |
PSII inhibitors - Serine 264 Binders
(C1 C2/5)
| atrazine, cyanazine, simazine | Ronald Ritter |
6
| 428 | Giant Foxtail | 1984 | Setaria faberi Giant Foxtail | United States (Maryland) | Maryland | MD | PSII inhibitors - Serine 264 Binders
(C1 C2/5) |
PSII inhibitors - Serine 264 Binders
(C1 C2/5)
| atrazine | Ronald Ritter |
7
| 1084 | Italian Ryegrass | 1998 | Lolium perenne ssp. multiflorum Italian Ryegrass | United States (Maryland) | Maryland | MD | Inhibition of Acetyl CoA Carboxylase
(A/1) |
Inhibition of Acetyl CoA Carboxylase
(A/1)
| diclofop-methyl | Ronald Ritter |
8
| 1085 | Redroot Pigweed | 1998 | Amaranthus retroflexus Redroot Pigweed | United States (Maryland) | Maryland | MD | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| imazaquin, imazethapyr | Ronald Ritter |
9
| 1086 | Common cocklebur | 1998 | Xanthium strumarium Common cocklebur | United States (Maryland) | Maryland | MD | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| chlorimuron-ethyl, imazaquin, imazethapyr | Ronald Ritter |
10
| 5129 | Horseweed | 2002 | Conyza canadensis Horseweed | United States (Maryland) | Maryland | | Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9) |
Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9)
| glyphosate | Mark VanGessel |
11
| 5374 | Common Chickweed | 2009 | Stellaria media Common Chickweed | United States (Maryland) | Maryland | | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| chlorsulfuron, mesosulfuron-methyl, thifensulfuron-methyl, tribenuron-methyl | Ronald Ritter, Mark VanGessel |
12
| 8915 | Palmer Amaranth | 2014 | Amaranthus palmeri Palmer Amaranth | United States (Maryland) | Maryland | | 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 |
13
| 17109 | Common Ragweed | 2016 | Ambrosia artemisiifolia Common Ragweed | United States (Maryland) | Maryland | | Inhibition of Acetolactate Synthase
(B/2), Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9), Inhibition of Protoporphyrinogen Oxidase
(E/14) |
Multiple Resistance: 3 Sites of Action Inhibition of Acetolactate Synthase
(B/2) Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9) Inhibition of Protoporphyrinogen Oxidase
(E/14)
| cloransulam-methyl, fomesafen, glyphosate | Mark VanGessel |