Herbicide label

Atrazine 90DF Herbicide Label

Atrazine 90DF (EPA 66222-37) is a Group 5 atrazine herbicide labeled for 6 crops. The label lists 22 controlled weeds, plus partial-control, suppression, and partner-control categories.

Atrazine 90DF label facts

Crops on the Atrazine 90DF label

Atrazine 90DF is labeled for these 6 crops and uses, per the EPA label.

Weeds on the Atrazine 90DF label

The Atrazine 90DF label names 32 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
  • brome, downy
  • buckwheat, wild
  • cocklebur, common
  • groundcherry
  • henbit
  • jimsonweed
  • kochia
  • lambsquarters, common
  • prickly lettuce
  • morning glory, annual
  • mustard
  • nightshade, black
  • wild oats
  • pennycress, field
  • pigweed
  • purslane
  • ragweed, giant
  • smartweed
  • sunflower, wild
  • thistle, russian
  • velvetleaf
  • volunteer wheat

Partial control

partial7
  • barnyardgrass, common
  • crabgrass, large
  • foxtail, giant
  • foxtail, green
  • foxtail, yellow
  • sicklepod
  • witchgrass

Controls with a tank-mix partner

needs partner3
  • carpetweed
  • crabgrass
  • panicum, fall

Atrazine 90DF 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.

Atrazine 90DF FAQ

What weeds does Atrazine 90DF control?

The Atrazine 90DF label names 32 weeds, including downy brome, wild buckwheat, common cocklebur, groundcherry, henbit, and jimsonweed. Control varies by crop, rate, and timing.

What crops is Atrazine 90DF labeled for?

Atrazine 90DF is labeled for 6 crops and uses, including field corn, sorghum, sweet corn, sugarcane, and fallow.

What is the active ingredient in Atrazine 90DF? Is it a generic?

Atrazine 90DF'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.