Herbicide label

Pronto

Pronto (EPA 89168-9-91395) is a Group 14 fomesafen herbicide labeled for 1 crops. The label lists 46 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

“PRONTO is a selective herbicide which may be applied preplant, preemergence or postemergence for control or suppression of broadleaf weeds, grasses and sedges in soybeans.”

— Pronto EPA label, Reg. No. 89168-9-91395

Pronto label facts

Crops on the Pronto label

Pronto is labeled for these 1 crops and uses, per the EPA label.

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Weeds on the Pronto label

The Pronto label names 70 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 control46
  • amaranth, palmer
  • amaranth, spiny
  • anoda, spurred
  • balloonvine
  • carpetweed
  • citron (wild watermelon)
  • cocklebur, common
  • copperleaf, hophornbeam
  • copperleaf, virginia
  • crotalaria, showy
  • croton, tropic
  • cucumber, volunteer
  • eclipta
  • groundcherry, cutleaf
  • hemp
  • jimsonweed
  • ladysthumb
  • mexicanweed
  • morningglory, cypressvine
  • morningglory, entireleaf
  • morningglory, ivyleaf
  • morningglory, palmleaf
  • morningglory, pitted
  • morningglory, purple moonflower
  • morningglory, red
  • morningglory, smallflower
  • morningglory, tall
  • mustard, wild
  • nightshade, black
  • pigweed, redroot
  • pigweed, smooth
  • poinsettia, wild
  • purslane, common
  • pusley, florida
  • ragweed, common
  • ragweed, giant
  • sesbania, hemp
  • sida, prickly
  • small melon
  • smartweed, pennsylvania
  • starbur, bristly
  • sunflower, annual
  • velvetleaf
  • mallow, venice
  • witchweed
  • rocket, yellow

Suppression

suppression23
  • barnyardgrass, common
  • bindweed, field
  • bindweed, hedge
  • crabgrass
  • foxtail
  • foxtail, giant
  • foxtail, green
  • foxtail, yellow
  • goosegrass
  • horsenettle
  • johnsongrass, seedling
  • lambsquarters, common
  • milkweed
  • milkweed, climbing
  • milkweed, honeyvine
  • nutsedge, yellow
  • panicum, fall
  • panicum, texas
  • redweed
  • sicklepod
  • spurge, prostrate
  • spurge, spotted
  • trumpetcreeper

Controls with a tank-mix partner

needs partner1
  • annual grasses

Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.

Pronto 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, the rotational crop, and your state, region, and rainfall — some intervals differ in AL, AR, CT, DE, GA, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, ND, NE, NH, NJ, NY, OH, OK, PA, RI, SC, SD, TN, TX, VA, VT, WI, and WV.

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.

Pronto FAQ

What weeds does Pronto control?

The Pronto label names 70 weeds, including palmer amaranth, spiny amaranth, spurred anoda, balloonvine, carpetweed, and citron (wild watermelon). Control varies by crop, rate, and timing.

What crops is Pronto labeled for?

Pronto is labeled for 1 crops and uses, including soybeans.

What is the active ingredient in Pronto? Is it a generic?

Pronto's active ingredient is fomesafen (MOA Group 14). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.

What's the plant-back interval after Pronto?

It depends on your rotational crop, application rate, and region, so the label gives a table, not one number. Build a program and FieldMarshal gives you the exact interval for your rotation from the label line, so you can verify it.

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Can I tank-mix Pronto?

It depends on your target weeds, crop stage, and which partners the label approves. Build a program and FieldMarshal checks the label for approved partners and gives the condition on each, so you can verify it.

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Sources

Last updated 2026-07-14.