Herbicide label

PRE-PARE Herbicide Label

PRE-PARE (EPA 66330-49) is a Group 2 flucarbazone herbicide labeled for 3 crops. The label lists 2 controlled weeds, plus partial-control, suppression, and partner-control categories.

PRE-PARE label facts

Crops on the PRE-PARE label

PRE-PARE is labeled for these 3 crops and uses, per the EPA label.

Weeds on the PRE-PARE label

The PRE-PARE label names 25 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 control2
  • foxtail, green
  • wild oats

Suppression

suppression22
  • barnyardgrass, common
  • brome, downy
  • brome, japanese
  • buckwheat, wild
  • cheat
  • darnel, persian
  • flixweed
  • foxtail barley
  • foxtail, yellow
  • henbit
  • mustard, black
  • mustard, blue
  • mustard, tansy
  • mustard, tumble
  • mustard, wild
  • pennycress, field
  • pigweed, redroot
  • rescuegrass
  • ryegrass, italian
  • shepherd's-purse
  • turnip, wild
  • volunteer canola

Controls with a tank-mix partner

needs partner1
  • brome species

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 25 weeds, including green foxtail and wild oats. Control varies by crop, rate, and timing.

What crops is PRE-PARE labeled for?

PRE-PARE is labeled for 3 crops and uses, including wheat, spring wheat, and winter 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.