Herbicide label
Sentry Trifluralin 4EC Herbicide Label
Sentry Trifluralin 4EC (EPA 33270-17) is a Group 3 trifluralin herbicide labeled for 25 crops. The label lists 46 controlled weeds, plus partial-control, suppression, and partner-control categories.
Sentry Trifluralin 4EC label facts
- Product Sentry Trifluralin 4EC
- EPA Reg. No. 33270-17
- Active ingredient trifluralin
- MOA group 3
Crops on the Sentry Trifluralin 4EC label
Sentry Trifluralin 4EC is labeled for these 25 crops and uses, per the EPA label.
Weeds on the Sentry Trifluralin 4EC label
The Sentry Trifluralin 4EC label names 47 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 control46- bluegrass, annual
- brome, downy
- ryegrass, italian
- blackgrass
- fiddleneck
- henbit
- barnyardgrass, common
- signalgrass
- cheat
- crabgrass, large
- crabgrass, smooth
- guineagrass
- itchgrass
- johnsongrass, seedling
- rhizome johnsongrass
- junglerice
- panicum, fall
- panicum, texas
- sandbur
- sprangletop
- stinkgrass
- shattercane
- cupgrass, woolly
- barley
- canarygrass
- carpetweed
- chickweed
- bindweed, field
- goosefoot
- knotweed
- kochia
- lambsquarters, common
- amaranth, palmer
- pigweed, prostrate
- pigweed, redroot
- pigweed, rough
- pigweed, spiny
- puncturevine
- purslane, common
- pusley, florida
- thistle, russian
- stinging nettle
- foxtail, giant
- foxtail, green
- foxtail, yellow
- foxtail, robust
Partial control
partial1- red rice
Sentry Trifluralin 4EC 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.
Sentry Trifluralin 4EC FAQ
What weeds does Sentry Trifluralin 4EC control?
The Sentry Trifluralin 4EC label names 47 weeds, including annual bluegrass, downy brome, italian ryegrass, blackgrass, fiddleneck, and henbit. Control varies by crop, rate, and timing.
What crops is Sentry Trifluralin 4EC labeled for?
Sentry Trifluralin 4EC is labeled for 25 crops and uses, including field corn, soybeans, cotton, sunflower, and potato.
What is the active ingredient in Sentry Trifluralin 4EC? Is it a generic?
Sentry Trifluralin 4EC's active ingredient is trifluralin (MOA Group 3). 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.