Herbicide label

Atrazine 90DF

Atrazine 90DF (EPA 19713-76) is a Group 5 atrazine herbicide labeled for 6 crops. The label lists 40 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

Atrazine 90DF label facts

Crops on the Atrazine 90DF label

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

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Weeds on the Atrazine 90DF label

The Atrazine 90DF label names 45 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 control40
  • morning glory, annual
  • barnyardgrass, common
  • foxtail, green
  • groundcherry
  • jimsonweed
  • kochia
  • lambsquarters
  • mustard
  • nightshade, black
  • pigweed
  • purslane
  • ragweed, giant
  • velvetleaf
  • wild oats
  • foxtail, yellow
  • cocklebur, common
  • smartweed
  • buckwheat, wild
  • thistle, annual
  • henbit
  • dock, seedling
  • brome, downy
  • thistle, russian
  • lettuce, wild
  • sunflower, wild
  • volunteer wheat
  • lambsquarters, common
  • pennycress, field
  • amaranth
  • crabgrass
  • fireweed
  • paintbrush, flora's
  • foxtail
  • junglerice
  • wiregrass
  • pellitory weed
  • alexandergrass
  • crabgrass, large
  • amaranth, spiny
  • sunflower

Partial control

partial3
  • foxtail, giant
  • sicklepod
  • witchgrass

Controls with a tank-mix partner

needs partner2
  • carpetweed
  • panicum, fall

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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 and your soil texture.

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Plant-back and rotation

Your interval depends on your application rate, the rotational crop, and your state, region, and rainfall — some intervals differ in AR, AZ, CA, CO, FL, GA, IA, IL, IN, KS, KY, LA, MN, MO, MS, MT, NC, ND, NE, NM, OK, SD, TX, WI, and WY.

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Atrazine 90DF FAQ

What weeds does Atrazine 90DF control?

The Atrazine 90DF label names 45 weeds, including annual morning glory, common barnyardgrass, green foxtail, groundcherry, jimsonweed, and kochia. 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, sorghum-sudangrass, and sugarcane.

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.

What's the plant-back interval after Atrazine 90DF?

It depends on your rotational crop, application rate, and region, so the label gives a table, not one number. Build a program and FieldMarshal cites the exact interval for your rotation to the label line, so you can verify it.

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Can I tank-mix Atrazine 90DF?

It depends on your target weeds, crop stage, and which partners the label approves. Build a program and FieldMarshal checks the label for approved partners and cites the condition on each, so you can verify it.

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Sources

Last updated 2026-07-10.