Herbicide label

Atra-5

Atra-5 (EPA 19713-80) is a Group 5 atrazine herbicide labeled for 6 crops. The label lists 37 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

Atra-5 label facts

Product Atra-5
EPA Reg. No. 19713-80
Registrant Drexel Chemical Company
Active ingredient atrazine
MOA group 5

Crops on the Atra-5 label

Atra-5 is labeled for these 6 crops and uses, per the EPA label.

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Weeds on the Atra-5 label

The Atra-5 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 control37

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

Partial control

partial6

foxtail, giant
foxtail, green
foxtail, yellow
sicklepod
velvetleaf
witchgrass

Controls with a tank-mix partner

needs partner2

carpetweed
panicum, fall

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Atra-5 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, GA, IL, KS, LA, MO, MS, NC, ND, NE, NM, OK, SD, TX, 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.

Atra-5 FAQ

What weeds does Atra-5 control?

The Atra-5 label names 45 weeds, including alexandergrass, amaranth, spiny amaranth, common barnyardgrass, downy brome, and wild buckwheat. Control varies by crop, rate, and timing.

What crops is Atra-5 labeled for?

Atra-5 is labeled for 6 crops and uses, including field corn, sorghum, sweet corn, sorghum-sudangrass, and sugarcane.

What is the active ingredient in Atra-5? Is it a generic?

Atra-5'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 Atra-5?

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 Atra-5?

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.