Herbicide label
Envoke Herbicide Label
Envoke (EPA 5481-684) is a 2-pyridinesulfonamide, n-[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]-3-(2,2,2-trifluoroethoxy)-, monosodium salt, monohydrate herbicide labeled for 3 crops. The label lists 50 controlled weeds, plus partial-control, suppression, and partner-control categories.
“Envoke Herbicide is a selective herbicide applied to both crops and weeds for control of certain emerged weeds in cotton, fallow seedbeds, sugarcane, and transplanted tomato.”
Envoke label facts
- Product Envoke
- EPA Reg. No. 5481-684
- Registrant Amvac Chemical Corporation
- Active ingredient 2-pyridinesulfonamide, n-[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]-3-(2,2,2-trifluoroethoxy)-, monosodium salt, monohydrate
- MOA group not classified
Crops on the Envoke label
Envoke is labeled for these 3 crops and uses, per the EPA label.
Weeds on the Envoke label
The Envoke label names 67 weeds and rates each by how the product handles it: full control, partial control, suppression, or control with a tank-mix partner. A weed can fall at more than one level, because control varies by crop, rate, and timing.
Controls
full control50- alligatorweed
- amaranth, palmer
- beggarweed, florida
- bittercress, small-flowered
- bluegrass, annual
- carpetweed
- chickweed, common
- chickweed, mouseear
- cocklebur, common
- corn, volunteer
- cudweed, wandering
- deadnettle, purple
- dogfennel
- eveningprimrose, cutleaf
- henbit
- horseweed
- johnsongrass, seedling
- lambsquarters, common
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, pitted
- morningglory, scarlet
- morningglory, tall
- mustard, black
- mustard, wild
- nutsedge, purple
- nutsedge, yellow
- panicum, broadleaf
- pellitory, florida
- pigweed, redroot
- pigweed, smooth
- pigweed, spiny
- poinsettia, wild
- purslane, horse
- radish, wild
- ragweed, common
- redweed
- senna, coffee
- sesbania, hemp
- shepherd's-purse
- sicklepod
- sowthistle, spiny
- volunteer soybean
- needles, spanish
- starbur, bristly
- sunflower, annual
- sunflower, prairie
- toadflax, old field
- velvetleaf
- vetch
Suppression
suppression15- barnyardgrass, common
- buttercup, corn
- buttercup, crowfoot
- buttercup, hairy
- croton, wooly
- dayflower
- guineagrass
- rhizome johnsongrass
- mexicanweed
- panicum, fall
- peanut, volunteer
- signalgrass, broadleaf
- smellmelon
- swinecress
- waterhemp, common
Controls with a tank-mix partner
needs partner2- morningglory, cypressvine
- morningglory, smallflower
Envoke rates and plant-back
The label answers both with a table, not a single number. Here is what drives each answer.
Application rate
Your rate depends on your crop.
Get the rate for your field: build a program and FieldMarshal gives you the exact per-acre rate for your crop from the label line.
Plant-back and rotation
Your interval depends on your application rate and the rotational crop.
Get the interval for your rotation: build a program and FieldMarshal gives you the exact plant-back for your rotational crop from the label line.
Envoke FAQ
What weeds does Envoke control?
The Envoke label names 67 weeds, including alligatorweed, palmer amaranth, florida beggarweed, small-flowered bittercress, annual bluegrass, and carpetweed. Control varies by crop, rate, and timing.
What crops is Envoke labeled for?
Envoke is labeled for 3 crops and uses, including cotton, fallow, and sugarcane.
What is the active ingredient in Envoke? Is it a generic?
Envoke's active ingredient is 2-pyridinesulfonamide, n-[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]-3-(2,2,2-trifluoroethoxy)-, monosodium salt, monohydrate. Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.
Sources
Last updated 2026-09-30.