Herbicide label
PRE-PARE Herbicide Label
PRE-PARE (EPA 70506-450) is a Group 2 flucarbazone herbicide labeled for 4 crops. The label lists 25 controlled weeds, plus partial-control, suppression, and partner-control categories.
“PRE-PARE Herbicide is a selective herbicide for the control of wild oat, green foxtail, Italian ryegrass, windgrass, cheat, barnyardgrass, Japanese brome and numerous broadleaf weeds, including redroot pigweed, wild mustard and shepherd's purse, in spring, durum and winter wheat.”
PRE-PARE label facts
- Product PRE-PARE
- EPA Reg. No. 70506-450
- Registrant UPL NA, Inc.
- Active ingredient flucarbazone
- MOA group 2
Crops on the PRE-PARE label
PRE-PARE is labeled for these 4 crops and uses, per the EPA label.
Weeds on the PRE-PARE label
The PRE-PARE label names 33 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 control25- barnyardgrass, common
- brome, downy
- brome, japanese
- volunteer canola
- cheat
- dock, curly
- false flax, small-seeded
- flixweed
- foxtail, green
- ladysthumb
- mustard, black
- mustard, blue
- mustard, tansy
- mustard, tumble
- mustard, wild
- oat, volunteer tame
- wild oats
- pennycress, field
- pigweed, redroot
- ryegrass, italian
- shepherd's-purse
- smartweed, pennsylvania
- turnip, wild
- windgrass, common
- rescuegrass
Suppression
suppression8- foxtail barley
- buckwheat, wild
- buttercup, burr
- darnel, persian
- foxtail, yellow
- waterhemp, common
- wildflower, tall wormseed
- henbit
PRE-PARE 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.
PRE-PARE FAQ
What weeds does PRE-PARE control?
The PRE-PARE label names 33 weeds, including common barnyardgrass, downy brome, japanese brome, volunteer canola, cheat, and curly dock. Control varies by crop, rate, and timing.
What crops is PRE-PARE labeled for?
PRE-PARE is labeled for 4 crops and uses, including wheat, spring wheat, winter wheat, and durum wheat.
What is the active ingredient in PRE-PARE? Is it a generic?
PRE-PARE's active ingredient is flucarbazone (MOA Group 2). 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.