Herbicide label
Diuron 4L
Diuron 4L (EPA 19713-36) is a Group 5 diuron herbicide labeled for 15 crops. The label lists 55 controlled weeds, plus partial-control, suppression, and partner-control categories.
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Diuron 4L label facts
- Product Diuron 4L
- EPA Reg. No. 19713-36
- Registrant Drexel Chemical Company
- Active ingredient diuron
- MOA group 5
Crops on the Diuron 4L label
Diuron 4L is labeled for these 15 crops and uses, per the EPA label.
- field corn
- wheat
- cotton
- barley
- sorghum
- alfalfa
- annual ryegrass
- field pea
- grass seed
- mint
- oats
- red clover
- sugarcane
- winter wheat
- durum wheat
Need the rate or timing for one of these? Filter every label by your crop, free.
Weeds on the Diuron 4L label
The Diuron 4L label names 65 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 control55- ageratum
- barnyardgrass, common
- bluegrass, annual
- buckwheat, wild
- chickweed
- clover, mexican
- crabgrass
- crowfoot
- dayflower
- dogfennel
- fiddleneck
- foxtail
- goosegrass
- gromwell
- groundcherry, annual
- hawksbeard
- horseweed
- johnsongrass, seedling
- knawel
- kyllinga
- lambsquarters
- lettuce, wild
- lovegrass, annual
- marigold
- morning glory, annual
- mustard, wild
- orchardgrass
- paintbrush, flora's
- panicum
- pennycress, field
- peppergrass
- pigweed
- pineapple-weed
- pokeweed, common
- purslane
- rabbit tobacco
- radish, wild
- ragweed, giant
- rattail fescue
- ricegrass
- ryegrass, annual
- ryegrass, volunteer
- sandbur
- shepherd's-purse
- smartweed, annual
- sowthistle, annual
- spanishneedles
- speedwell, corn
- sprangletop, red
- spurry, corn
- tansymustard
- velvetgrass
- velvetleaf
- vernalgrass, sweet annual
- windgrass, common
Partial control
partial9- cocklebur, common
- guineagrass
- horsenettle
- maidencane
- pangolagrass
- quackgrass
- sesbania
- sicklepod
- sida, prickly
Suppression
suppression1- rattail fescue
Controls with a tank-mix partner
needs partner1- nutsedge
Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.
Diuron 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 and your soil texture.
Get the rate for your field: build a program and FieldMarshal cites the exact per-acre rate for your crop to the label line.
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, FL, HI, ID, KS, LA, MS, NM, NV, OK, OR, TN, TX, and WA.
Get the interval for your rotation: build a program and FieldMarshal cites the exact plant-back for your rotational crop to the label line.
Diuron 4L FAQ
What weeds does Diuron 4L control?
The Diuron 4L label names 65 weeds, including ageratum, common barnyardgrass, annual bluegrass, wild buckwheat, chickweed, and mexican clover. Control varies by crop, rate, and timing.
What crops is Diuron 4L labeled for?
Diuron 4L is labeled for 15 crops and uses, including field corn, wheat, cotton, barley, and sorghum.
What is the active ingredient in Diuron 4L? Is it a generic?
Diuron 4L's active ingredient is diuron (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 Diuron 4L?
It depends on your rotational crop, application rate, and region, so the label gives a table, not one number. Build a program and FieldMarshal cites the exact interval for your rotation to the label line, so you can verify it.
Build a program →Can I tank-mix Diuron 4L?
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 cites the condition on each, so you can verify it.
Build a program →Plan in minutes, not evenings.
Start with Diuron 4L and let FieldMarshal build a defensible herbicide program for your field, every product, rate, and plant-back cross-referenced and cited.
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Sources
Last updated 2026-07-11.