Herbicide label

Sentry Atrazine 90DF

Sentry Atrazine 90DF (EPA 33270-9) is a Group 5 atrazine herbicide labeled for 6 crops. The label lists 35 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

Sentry Atrazine 90DF label facts

Product Sentry Atrazine 90DF
EPA Reg. No. 33270-9
Active ingredient atrazine
MOA group 5

Crops on the Sentry Atrazine 90DF label

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

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Weeds on the Sentry Atrazine 90DF label

The Sentry Atrazine 90DF label names 39 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 control35

alexandergrass
amaranth, spiny
barnyardgrass, common
brome, downy
buckwheat, wild
cocklebur, common
crabgrass, large
dock
fireweed
foxtail, giant
foxtail, green
foxtail, yellow
groundcherry
henbit
jimsonweed
junglerice
kochia
lambsquarters, common
lettuce, wild
morning glory, annual
mustard
nightshade, black
wild oats
paintbrush, Flora's
pellitory
pennycress, field
pigweed
purslane
ragweed, giant
smartweed
sunflower, wild
thistle, annual
thistle, russian
volunteer wheat
wiregrass

Partial control

partial2

sicklepod
velvetleaf

Controls with a tank-mix partner

needs partner2

carpetweed
panicum, fall

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Sentry 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 AZ, CA, CO, FL, IA, IL, IN, KS, KY, LA, MN, MO, MT, ND, NE, NM, OK, OR, SD, TX, WI, and WY.

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.

Sentry Atrazine 90DF FAQ

What weeds does Sentry Atrazine 90DF control?

The Sentry Atrazine 90DF label names 39 weeds, including alexandergrass, spiny amaranth, common barnyardgrass, downy brome, wild buckwheat, and common cocklebur. Control varies by crop, rate, and timing.

What crops is Sentry Atrazine 90DF labeled for?

Sentry 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 Sentry Atrazine 90DF? Is it a generic?

Sentry 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 Sentry 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 gives you the exact interval for your rotation from the label line, so you can verify it.

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Can I tank-mix Sentry 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 gives the condition on each, so you can verify it.