Herbicide label

OZONE 3.0 Herbicide Label

OZONE 3.0 (EPA 42750-358) is a Group 2 flucarbazone herbicide labeled for 4 crops. The label lists 22 controlled weeds, plus partial-control, suppression, and partner-control categories.

“OZONE® 3.0 is absorbed by foliage and roots of susceptible weeds, which cease growth soon after application.”

— OZONE 3.0 EPA label, Reg. No. 42750-358

OZONE 3.0 label facts

Crops on the OZONE 3.0 label

OZONE 3.0 is labeled for these 4 crops and uses, per the EPA label.

Weeds on the OZONE 3.0 label

The OZONE 3.0 label names 27 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 control22
  • barnyardgrass, common
  • brome, california
  • brome, japanese
  • cheat
  • darnel, persian
  • flixweed
  • foxtail, green
  • foxtail, yellow
  • 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
  • windgrass, common

Suppression

suppression5
  • foxtail barley
  • brome, downy
  • buckwheat, wild
  • rattail fescue
  • rescuegrass

OZONE 3.0 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.

OZONE 3.0 FAQ

What weeds does OZONE 3.0 control?

The OZONE 3.0 label names 27 weeds, including common barnyardgrass, california brome, japanese brome, cheat, persian darnel, and flixweed. Control varies by crop, rate, and timing.

What crops is OZONE 3.0 labeled for?

OZONE 3.0 is labeled for 4 crops and uses, including wheat, spring wheat, winter wheat, and durum wheat.

What is the active ingredient in OZONE 3.0? Is it a generic?

OZONE 3.0'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.