Herbicide label
Pirate Herbicide Label
Pirate (EPA 279-9670-55467) is a Group 5, 14, and 15 atrazine, fluthiacet-methyl, and pyroxasulfone herbicide labeled for 4 crops. The label lists 51 controlled weeds, plus partial-control, suppression, and partner-control categories.
Pirate label facts
- Product Pirate
- EPA Reg. No. 279-9670-55467
- Distributor Tenkoz Inc
- Active ingredient atrazine, fluthiacet-methyl, and pyroxasulfone
- MOA group 5, 14, and 15
Crops on the Pirate label
Pirate is labeled for these 4 crops and uses, per the EPA label.
Weeds on the Pirate label
The Pirate 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 control51- amaranth, palmer
- amaranth, powell
- anoda, spurred
- barley, little
- barnyardgrass, common
- bluegrass, annual
- signalgrass, broadleaf
- burcucumber
- canarygrass
- carpetweed
- chickweed
- crabgrass, large
- crabgrass, smooth
- crowfootgrass
- cupgrass, southwestern
- dayflower, spreading
- foxtail, bristly
- foxtail, giant
- foxtail, green
- foxtail, yellow
- goosegrass
- hairy galinsoda
- henbit
- jimsonweed
- johnsongrass, seedling
- kochia
- kochia, non-triazine resistant
- ladysthumb
- lambsquarters, common
- mustards
- nightshade, black
- nightshade, eastern black
- nightshade, hairy
- nutsedge, yellow
- panicum, fall
- panicum, texas
- pigweed, redroot
- pigweed, smooth
- pigweed, spiny
- pigweed, tumble
- purslane, common
- pusley, florida
- red rice
- ryegrass, italian
- ryegrass, rigid
- sida, prickly
- smartweed, pennsylvania
- orach, spreading
- velvetleaf
- waterhemp, common
- witchgrass
Partial control
partial1- buckwheat, wild
Suppression
suppression19- brome, downy
- brome, japanese
- cheat
- cocklebur, common
- cupgrass, woolly
- fleabane, hairy
- groundsel, common
- horseweed
- millet, wild-proso
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, pitted
- wild oats
- ragweed, common
- ragweed, giant
- thistle, russian
- sandbur, longspine
- shattercane
- sicklepod
Controls with a tank-mix partner
needs partner8- cocklebur, common
- morningglory
- pigweed
- ragweed, common
- ragweed, giant
- thistle, russian
- sunflower
- nightshade spp.
Pirate 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.
Pirate FAQ
What weeds does Pirate control?
The Pirate label names 75 weeds, including palmer amaranth, powell amaranth, spurred anoda, little barley, common barnyardgrass, and annual bluegrass. Control varies by crop, rate, and timing.
What crops is Pirate labeled for?
Pirate is labeled for 4 crops and uses, including field corn, sweet corn, popcorn, and seed corn.
What is the active ingredient in Pirate? Is it a generic?
Pirate's active ingredient is atrazine, fluthiacet-methyl, and pyroxasulfone (MOA Group 5, 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.