Herbicide label
Warrant Ultra Herbicide Label
Warrant Ultra (EPA 524-620) is a Group 14 and 15 acetochlor and fomesafen herbicide labeled for 2 crops. The label lists 61 controlled weeds, plus partial-control, suppression, and partner-control categories.
Warrant Ultra label facts
- Product Warrant Ultra
- EPA Reg. No. 524-620
- Registrant Bayer CropScience
- Active ingredient acetochlor and fomesafen
- MOA group 14 and 15
Crops on the Warrant Ultra label
Warrant Ultra is labeled for these 2 crops and uses, per the EPA label.
Weeds on the Warrant Ultra label
The Warrant Ultra label names 75 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 control61- amaranth, palmer
- amaranth, spiny
- barnyardgrass, common
- carpetweed
- citron
- copperleaf, hophornbeam
- copperleaf, virginia
- crabgrass
- crotalaria, showy
- croton, tropic
- crowfootgrass
- cucumber, volunteer
- cupgrass, prairie
- cupgrass, southwestern
- eclipta
- foxtail, giant
- foxtail, green
- foxtail, robust purple
- foxtail, robust white
- foxtail, yellow
- galinsoga
- goosegrass
- groundcherry, cutleaf
- henbit
- jimsonweed
- ladysthumb
- lambsquarters, common
- mallow, venice
- morningglory, cypressvine
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, palmleaf
- morningglory, pitted
- morningglory, purple moonflower
- morningglory, red
- morningglory, smallflower
- morningglory, tall
- mustard, wild
- nightshade, black
- nightshade, eastern black
- nightshade, hairy
- panicum, browntop
- panicum, fall
- pigweed
- pigweed, redroot
- pigweed, smooth
- poinsettia, wild
- purslane, common
- pusley, florida
- ragweed, common
- ragweed, giant
- red rice
- rocket, yellow
- sesbania, hemp
- signalgrass, broadleaf
- smartweed, pennsylvania
- sprangletop, red
- starbur, bristly
- waterhemp, common
- witchgrass
- witchweed
Partial control
partial14- anoda, spurred
- beggarweed, florida
- cocklebur, common
- horsenettle
- johnsongrass, seedling
- mexicanweed
- foxtail, millet
- morningglory
- wild oats
- panicum, texas
- sandbur
- shattercane
- sida, prickly
- volunteer wheat
Warrant Ultra 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.
Warrant Ultra FAQ
What weeds does Warrant Ultra control?
The Warrant Ultra label names 75 weeds, including palmer amaranth, spiny amaranth, common barnyardgrass, carpetweed, citron, and hophornbeam copperleaf. Control varies by crop, rate, and timing.
What crops is Warrant Ultra labeled for?
Warrant Ultra is labeled for 2 crops and uses, including soybeans and cotton.
What is the active ingredient in Warrant Ultra? Is it a generic?
Warrant Ultra's active ingredient is acetochlor and fomesafen (MOA Group 14 and 15). 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.