Herbicide label

Envoke Herbicide Label

Envoke (EPA 100-1132) 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 is a selective herbicide applied postemergence to both crops and weeds for control of certain emerged weeds in cotton, sugarcane, and transplanted tomato.”

— Envoke EPA label, Reg. No. 100-1132

Envoke label facts

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 65 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
  • cudweed, wandering
  • dogfennel
  • panicum, fall
  • florida pellitory
  • morningglory, scarlet
  • amaranth, palmer
  • pigweed, spiny
  • needles, spanish
  • toadflax, old field
  • bittercress, small-flowered
  • bluegrass, annual
  • chickweed, common
  • chickweed, mouseear
  • deadnettle, purple
  • eveningprimrose, cutleaf
  • henbit
  • mustard, black
  • mustard, wild
  • radish, wild
  • shepherd's-purse
  • sowthistle, spiny
  • vetch
  • carpetweed
  • cocklebur, common
  • senna, coffee
  • corn, volunteer
  • beggarweed, florida
  • sesbania, hemp
  • horse purslane
  • johnsongrass, seedling
  • lambsquarters, common
  • morningglory, entireleaf
  • morningglory, ivyleaf
  • morningglory, pitted
  • morningglory, tall
  • nutsedge, purple
  • nutsedge, yellow
  • pigweed, redroot
  • pigweed, smooth
  • ragweed, common
  • redweed
  • sicklepod
  • volunteer soybean
  • starbur, bristly
  • sunflower, annual
  • velvetleaf
  • poinsettia, wild
  • horseweed
  • sunflower, prairie

Suppression

suppression14
  • dayflower
  • guineagrass
  • rhizome johnsongrass
  • buttercup, corn
  • buttercup, crowfoot
  • buttercup, hairy
  • swinecress
  • barnyardgrass, common
  • signalgrass, broadleaf
  • peanut, volunteer
  • waterhemp, common
  • mexicanweed
  • smellmelon
  • croton, woolly

Controls with a tank-mix partner

needs partner1
  • 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 65 weeds, including alligatorweed, wandering cudweed, dogfennel, fall panicum, florida pellitory, and scarlet morningglory. 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.