Herbicide label
Threesidual
Threesidual (EPA 62719-679-1381) is a Group 2, 4, and 15 acetochlor, clopyralid, and flumetsulam herbicide labeled for 2 crops. The label lists 64 controlled weeds, plus partial-control, suppression, and partner-control categories.
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“Threesidual is a preemergence herbicide for which spray adjuvants have little or no influence on performance.”
Threesidual label facts
- Product Threesidual
- EPA Reg. No. 62719-679-1381
- Distributor WinField Solutions, LLC
- Active ingredient acetochlor, clopyralid, and flumetsulam
- MOA group 2, 4, and 15
Crops on the Threesidual label
Threesidual is labeled for these 2 crops and uses, per the EPA label.
Need the rate or timing for one of these? Filter every label by your crop, free.
Weeds on the Threesidual label
The Threesidual label names 64 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 control64- barnyardgrass, common
- crabgrass
- crowfootgrass
- cupgrass, prairie
- cupgrass, southwestern
- cupgrass, woolly
- foxtail, bristly
- foxtail, giant
- foxtail, green
- foxtail, robust (purple, white)
- foxtail, yellow
- goosegrass
- johnsongrass, seedling
- foxtail, millet
- millet, wild-proso
- nutsedge, yellow
- panicum, browntop
- panicum, fall
- panicum, texas
- red rice
- sandbur, field
- shattercane
- signalgrass, broadleaf
- sprangletop, red
- witchgrass
- amaranth, palmer
- beggarweed, florida
- buckwheat, wild
- carpetweed
- chickweed, common
- clover, red
- cocklebur, common
- galinsoga
- henbit
- horseweed
- jimsonweed
- kochia
- ladysthumb
- lambsquarters, common
- mallow, venice
- morningglory, ivyleaf
- morningglory, tall
- mustard, wild
- nightshade, black
- pigweed, redroot
- pigweed, smooth
- poinsettia, wild
- puncturevine
- purslane, common
- pusley, florida
- ragweed, common
- ragweed, giant
- shepherd's-purse
- sicklepod
- sida, prickly
- smartweed, pennsylvania
- spurge, nodding
- spurge, prostrate
- spurge, spotted
- sunflower, annual
- thistle, canada
- velvetleaf
- waterhemp, common
- wormwood, biennial
Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.
Threesidual 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 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.
Threesidual FAQ
What weeds does Threesidual control?
The Threesidual label names 64 weeds, including common barnyardgrass, crabgrass, crowfootgrass, prairie cupgrass, southwestern cupgrass, and woolly cupgrass. Control varies by crop, rate, and timing.
What crops is Threesidual labeled for?
Threesidual is labeled for 2 crops and uses, including field corn and corn silage.
What is the active ingredient in Threesidual? Is it a generic?
Threesidual's active ingredient is acetochlor, clopyralid, and flumetsulam (MOA Group 2, 4, and 15). 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 Threesidual?
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.
Build a program →Can I tank-mix Threesidual?
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.
Build a program →Plan in minutes, not hours.
Start with Threesidual and let FieldMarshal build a defensible herbicide program for your field, every product, rate, and plant-back cross-referenced and checked against the label.
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Sources
Last updated 2026-07-14.