Herbicide label

Atrazine 90 WDG Herbicide Label

Atrazine 90 WDG (EPA 34704-622) is a Group 5 atrazine herbicide labeled for 6 crops. The label lists 26 controlled weeds, plus partial-control, suppression, and partner-control categories.

“Atrazine 90 WDG Herbicide contains the active ingredients atrazine. Atrazine is a triazine herbicide (Group 5 mode of action).”

— Atrazine 90 WDG EPA label, Reg. No. 34704-622

Atrazine 90 WDG label facts

Crops on the Atrazine 90 WDG label

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

Weeds on the Atrazine 90 WDG label

The Atrazine 90 WDG label names 44 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 control26
  • brome, downy
  • buckwheat, wild
  • cocklebur, common
  • crabgrass, large
  • foxtail, giant
  • foxtail, yellow
  • groundcherry
  • henbit
  • jimsonweed
  • kochia
  • lambsquarters, common
  • lettuce, wild
  • morningglory
  • mustard
  • nightshade, black
  • wild oats
  • pennycress, field
  • pigweed
  • purslane, common
  • ragweed, common
  • sicklepod
  • smartweed
  • sunflower, wild
  • thistle, russian
  • velvetleaf
  • volunteer wheat

Partial control

partial3
  • barnyardgrass, common
  • foxtail, green
  • witchgrass

Controls with a tank-mix partner

needs partner15
  • carpetweed
  • panicum, fall
  • crowfootgrass
  • cupgrass, prairie
  • cupgrass, southwestern
  • galinsoga
  • foxtail, millet
  • nightshade, hairy
  • nutsedge, yellow
  • panicum, browntop
  • red rice
  • sida, prickly
  • signalgrass
  • goosegrass
  • pusley, florida

Atrazine 90 WDG 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 90 WDG FAQ

What weeds does Atrazine 90 WDG control?

The Atrazine 90 WDG label names 44 weeds, including downy brome, wild buckwheat, common cocklebur, large crabgrass, giant foxtail, and yellow foxtail. Control varies by crop, rate, and timing.

What crops is Atrazine 90 WDG labeled for?

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

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

Atrazine 90 WDG'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.