Herbicide label
Harness Xtra Herbicide Label
Harness Xtra (EPA 524-480) is a Group 5 and 15 acetochlor and atrazine herbicide labeled for 5 crops. The label lists 42 controlled weeds, plus partial-control, suppression, and partner-control categories.
Harness Xtra label facts
- Product Harness Xtra
- EPA Reg. No. 524-480
- Registrant Bayer CropScience
- Active ingredient acetochlor and atrazine
- MOA group 5 and 15
Crops on the Harness Xtra label
Harness Xtra is labeled for these 5 crops and uses, per the EPA label.
Weeds on the Harness Xtra label
The Harness Xtra label names 50 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 control42- barnyardgrass, common
- panicum, browntop
- crabgrass, smooth
- panicum, fall
- crabgrass, large
- red rice
- cupgrass, woolly
- signalgrass, broadleaf
- foxtail, giant
- sprangletop, red
- foxtail, green
- foxtail, robust purple
- foxtail, robust white
- foxtail, yellow
- volunteer wheat
- wild oats
- goosegrass
- witchgrass
- beggarweed, florida
- carpetweed
- cocklebur, common
- galinsoga
- mustard
- nightshade, black
- nightshade, hairy
- pigweed
- groundcherry, annual
- purslane
- groundcherry, cutleaf
- pusley, florida
- henbit
- ragweed, common
- sida, prickly
- jimsonweed
- kochia
- smartweed, pennsylvania
- ladysthumb
- lambsquarters, common
- velvetleaf
- morning glory, annual
- waterhemp, common
- nutsedge, yellow
Partial control
partial8- johnsongrass, seedling
- millet, wild-proso
- panicum, texas
- sandbur
- shattercane
- ragweed, giant
- sicklepod
- sunflower, annual
Harness Xtra 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 Xtra FAQ
What weeds does Harness Xtra control?
The Harness Xtra label names 50 weeds, including common barnyardgrass, browntop panicum, smooth crabgrass, fall panicum, large crabgrass, and red rice. Control varies by crop, rate, and timing.
What crops is Harness Xtra labeled for?
Harness Xtra is labeled for 5 crops and uses, including field corn, corn silage, seed corn, sweet corn, and popcorn.
What is the active ingredient in Harness Xtra? Is it a generic?
Harness Xtra's active ingredient is acetochlor and atrazine (MOA Group 5 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.