Herbicide label
Broadhead Herbicide Label
Broadhead (EPA 279-3366) is a Group 4 and 14 carfentrazone-ethyl and quinclorac herbicide labeled for 1 crops. The label lists 17 controlled weeds, plus partial-control, suppression, and partner-control categories.
Broadhead label facts
- Product Broadhead
- EPA Reg. No. 279-3366
- Registrant FMC Corporation
- Active ingredient carfentrazone-ethyl and quinclorac
- MOA group 4 and 14
Crops on the Broadhead label
Broadhead is labeled for these 1 crops and uses, per the EPA label.
Weeds on the Broadhead label
The Broadhead label names 17 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 control17- barnyardgrass, common
- cocklebur, common
- copperleaf, hophornbeam
- crabgrass, large
- dayflower, spreading
- eclipta
- groundcherry, cutleaf
- jointvetch
- junglerice
- morningglory
- pigweed
- purslane, common
- redweed
- sesbania, hemp
- signalgrass, broadleaf
- smartweed, pennsylvania
- water hyssop
Broadhead 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.
Broadhead FAQ
What weeds does Broadhead control?
The Broadhead label names 17 weeds, including common barnyardgrass, common cocklebur, hophornbeam copperleaf, large crabgrass, spreading dayflower, and eclipta. Control varies by crop, rate, and timing.
What crops is Broadhead labeled for?
Broadhead is labeled for 1 crops and uses, including rice.
What is the active ingredient in Broadhead? Is it a generic?
Broadhead's active ingredient is carfentrazone-ethyl and quinclorac (MOA Group 4 and 14). 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.