Herbicide label

ATRA-V 4L Herbicide Label

ATRA-V 4L (EPA 89167-38-89391) is a Group 5 atrazine herbicide labeled for 6 crops. The label lists 23 controlled weeds, plus partial-control, suppression, and partner-control categories.

ATRA-V 4L label facts

Crops on the ATRA-V 4L label

ATRA-V 4L is labeled for these 6 crops and uses, per the EPA label.

Weeds on the ATRA-V 4L label

The ATRA-V 4L 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 control23
  • brome, downy
  • lettuce, wild
  • pennycress, field
  • thistle, russian
  • volunteer wheat
  • buckwheat, wild
  • dock
  • henbit
  • smartweed
  • thistle, annual
  • cocklebur, common
  • groundcherry
  • jimsonweed
  • kochia
  • lambsquarters, common
  • morning glory, annual
  • mustard
  • nightshade, black
  • wild oats
  • ragweed, giant
  • pigweed
  • purslane
  • sunflower, wild

Partial control

partial8
  • sicklepod
  • velvetleaf
  • witchgrass
  • barnyardgrass, common
  • crabgrass, large
  • foxtail, giant
  • foxtail, green
  • foxtail, yellow

Controls with a tank-mix partner

needs partner2
  • carpetweed
  • panicum, fall

ATRA-V 4L 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.

ATRA-V 4L FAQ

What weeds does ATRA-V 4L control?

The ATRA-V 4L label names 33 weeds, including downy brome, wild lettuce, field pennycress, russian thistle, volunteer wheat, and wild buckwheat. Control varies by crop, rate, and timing.

What crops is ATRA-V 4L labeled for?

ATRA-V 4L is labeled for 6 crops and uses, including field corn, sorghum, sweet corn, sorghum-sudangrass, and sugarcane.

What is the active ingredient in ATRA-V 4L? Is it a generic?

ATRA-V 4L's active ingredient is atrazine (MOA Group 5). 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.