Weed Control Table
Table1. Relative effectiveness of herbicides on weed species.
| WeedSpecies |
Herbicides Labeled for Use in Pumpkins and Winter Squash |
Command
(clomazone) |
Curbit
(ethalfluralin) |
Dacthal
(DCPA) |
Gramoxone
(paraquat) |
Scythe
(pelargonic acid) |
Poast
(sethoxydim) |
Prefar
(bensulide) |
Roundup
(glyphosate) |
| Barnyardgrass |
G |
E |
F |
E |
E |
E |
E |
E |
| Crabgrass |
G |
E |
E |
E |
E |
E |
E |
E |
| Chickweed |
|
G |
G |
G |
G |
N |
P |
E |
| Carpetweed |
N |
E |
G |
E |
E |
N |
P |
E |
| Fall panicum |
G |
E |
F |
E |
E |
E |
E |
E |
| F. Bindweed |
N |
N |
N |
N |
N |
N |
N |
G |
| |
G |
E |
E |
E |
E |
E |
E |
E |
| Galinsoga |
F |
P |
P |
G |
G |
N |
P |
E |
| Johnsongrass (Rhizome) |
N |
P |
P |
P |
P |
E |
P |
E |
| Johnsongrass (seeding) |
F |
E |
G |
F |
F |
E |
P |
E |
| Jimsonweed |
F |
P |
P |
G |
G |
N |
N |
E |
| Lambsquarter |
G |
F |
E |
E |
E |
N |
P |
E |
| Morning glory |
P |
P |
P |
G |
G |
N |
P |
E |
| Mustards |
N |
|
N |
G |
G |
N |
N |
E |
| Nightshade |
|
G |
P |
G |
G |
N |
P |
E |
| Nutsedge yellow |
N |
P |
P |
P |
P |
N |
P |
G |
| Purslane |
G |
E |
G |
G |
G |
N |
P |
E |
| Pigweed |
P |
E |
E |
E |
E |
N |
P |
E |
| Quackgrass |
N |
|
P |
F |
F |
G |
N |
G |
| Ragweed |
F |
F |
P |
E |
E |
N |
P |
E |
| Smartweed |
F |
F |
P |
G |
G |
N |
P |
E |
| Velvetleaf |
E |
F |
P |
G |
G |
N |
P |
E |
At recommended rates for your soil type or weed species:
E = 90% control or better
G = 70-90% control
F = 50-70% control
P = 5-50% control
N = less than 5% control |
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