Herbicide label
GCS Atrazine 90DF Herbicide Label
GCS Atrazine 90DF (EPA 94730-25) is a Group 5 atrazine herbicide labeled for 5 crops. The label lists 39 controlled weeds, plus partial-control, suppression, and partner-control categories.
GCS Atrazine 90DF label facts
- Product GCS Atrazine 90DF
- EPA Reg. No. 94730-25
- Registrant Generic Crop Science, LLC
- Active ingredient atrazine
- MOA group 5
Crops on the GCS Atrazine 90DF label
GCS Atrazine 90DF is labeled for these 5 crops and uses, per the EPA label.
Weeds on the GCS Atrazine 90DF label
The GCS Atrazine 90DF 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 control39- amaranth
- amaranth, spiny
- barnyardgrass, common
- crabgrass
- crabgrass, large
- fireweed
- foxtail
- foxtail, green
- foxtail, yellow
- junglerice
- pellitory weed
- pigweed
- purslane
- sunflower
- wiregrass
- brome, downy
- buckwheat, wild
- carpetweed
- cocklebur, common
- dock, seedling
- groundcherry
- henbit
- jimsonweed
- kochia
- lambsquarters
- lambsquarters, common
- morning glory, annual
- mustard
- nightshade, black
- panicum, fall
- ragweed, giant
- smartweed
- thistle, annual
- thistle, russian
- velvetleaf
- volunteer wheat
- wild lettuce
- wild oats
- wild sunflower
Partial control
partial3- foxtail, giant
- sicklepod
- witchgrass
Controls with a tank-mix partner
needs partner2- bermudagrass
- johnsongrass
GCS 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.
GCS Atrazine 90DF FAQ
What weeds does GCS Atrazine 90DF control?
The GCS Atrazine 90DF label names 44 weeds, including amaranth, spiny amaranth, common barnyardgrass, crabgrass, large crabgrass, and fireweed. Control varies by crop, rate, and timing.
What crops is GCS Atrazine 90DF labeled for?
GCS Atrazine 90DF is labeled for 5 crops and uses, including field corn, sorghum, sweet corn, sugarcane, and fallow.
What is the active ingredient in GCS Atrazine 90DF? Is it a generic?
GCS 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.