Herbicide label
HARNESS Herbicide Label
HARNESS (EPA 524-473) is a Group 15 acetochlor herbicide labeled for 5 crops. The label lists 31 controlled weeds, plus partial-control, suppression, and partner-control categories.
HARNESS label facts
- Product HARNESS
- EPA Reg. No. 524-473
- Registrant Bayer CropScience
- Active ingredient acetochlor
- MOA group 15
Crops on the HARNESS label
HARNESS is labeled for these 5 crops and uses, per the EPA label.
Weeds on the HARNESS label
The HARNESS label names 62 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 control31- barnyardgrass, common
- crabgrass, smooth
- crabgrass, large
- crowfootgrass
- cupgrass, prairie
- cupgrass, woolly
- foxtail, giant
- foxtail, green
- foxtail, robust purple
- foxtail, robust white
- foxtail, yellow
- goosegrass
- panicum, browntop
- panicum, fall
- red rice
- signalgrass, broadleaf
- sprangletop, red
- witchgrass
- carpetweed
- galinsoga
- henbit
- lambsquarters, common
- nightshade, black
- nightshade, hairy
- pigweed
- carelessweed
- purslane, common
- pusley, florida
- ragweed, common
- waterhemp, common
- nutsedge, yellow
Suppression
suppression20- johnsongrass, seedling
- foxtail, millet
- millet, wild-proso
- wild oats
- panicum, texas
- sandbur
- grassbur
- shattercane
- cane, wild
- volunteer wheat
- beggarweed, florida
- groundcherry, cutleaf
- jimsonweed
- kochia
- sida, prickly
- smartweed, pennsylvania
- ladysthumb
- starbur, bristly
- velvetleaf
- buttonweed
Controls with a tank-mix partner
needs partner24- johnsongrass, seedling
- jimsonweed
- kochia
- mustard
- sida, prickly
- smartweed, pennsylvania
- ladysthumb
- sunflower, annual
- velvetleaf
- buttonweed
- cocklebur, common
- morningglory, tall
- morningglory, pitted
- morningglory, ivyleaf
- morningglory, entireleaf
- morningglory, smallflower
- ragweed, giant
- wild oats
- volunteer wheat
- beggarweed, florida
- groundcherry, annual
- groundcherry, cutleaf
- sicklepod
- starbur, bristly
HARNESS 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.
HARNESS FAQ
What weeds does HARNESS control?
The HARNESS label names 62 weeds, including common barnyardgrass, smooth crabgrass, large crabgrass, crowfootgrass, prairie cupgrass, and woolly cupgrass. Control varies by crop, rate, and timing.
What crops is HARNESS labeled for?
HARNESS is labeled for 5 crops and uses, including field corn, seed corn, corn silage, sweet corn, and popcorn.
What is the active ingredient in HARNESS? Is it a generic?
HARNESS's active ingredient is acetochlor (MOA Group 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.