Herbicide label
Infantry 4L Herbicide Label
Infantry 4L (EPA 100-497-534) is a Group 5 atrazine herbicide labeled for 5 crops. The label lists 45 controlled weeds, plus partial-control, suppression, and partner-control categories.
Infantry 4L label facts
- Product Infantry 4L
- EPA Reg. No. 100-497-534
- Distributor Growmark Inc
- Active ingredient atrazine
- MOA group 5
Crops on the Infantry 4L label
Infantry 4L is labeled for these 5 crops and uses, per the EPA label.
Weeds on the Infantry 4L label
The Infantry 4L 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 control45- alexandergrass
- amaranths
- amaranth, spiny
- barnyardgrass, common
- crabgrass
- crabgrass, large
- fireweed
- Flora's paintbrush
- foxtail
- foxtail, giant
- foxtail, green
- foxtail, yellow
- junglerice
- paintbrush, flora's
- pellitory weed
- pigweed
- purslane
- sunflower
- wiregrass
- buckwheat, wild
- carpetweed
- brome, downy
- cocklebur, common
- dock, seedling
- panicum, fall
- groundcherry
- henbit
- jimsonweed
- kochia
- lambsquarters
- lambsquarters, common
- lettuce, wild
- morning glory, annual
- mustards
- nightshade, black
- ragweed, giant
- sicklepod
- smartweed
- sowthistle
- needles, spanish
- thistle, annual
- thistle, russian
- velvetleaf
- volunteer wheat
- witchgrass
Infantry 4L 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.
Infantry 4L FAQ
What weeds does Infantry 4L control?
The Infantry 4L label names 45 weeds, including alexandergrass, amaranths, spiny amaranth, common barnyardgrass, crabgrass, and large crabgrass. Control varies by crop, rate, and timing.
What crops is Infantry 4L labeled for?
Infantry 4L is labeled for 5 crops and uses, including field corn, sorghum, sweet corn, sugarcane, and fallow.
What is the active ingredient in Infantry 4L? Is it a generic?
Infantry 4L'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.