Herbicide label

Matador-S

Matador-S (EPA 34704-1067) is a Group 2, 5, and 15 imazethapyr, metolachlor, and metribuzin herbicide labeled for 1 crops. The label lists 54 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

“Matador-S herbicide is a mixture of the active ingredients S-metolachlor, metribuzin and imazethapyr.”

— Matador-S EPA label, Reg. No. 34704-1067

Matador-S label facts

Crops on the Matador-S label

Matador-S is labeled for these 1 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 Matador-S label

The Matador-S label names 72 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 control54
  • anoda, spurred
  • barnyardgrass, common
  • beggarweed, florida
  • bluegrass, annual
  • signalgrass, broadleaf
  • millet, browntop
  • buffalobur
  • carpetweed
  • chickweed, common
  • cocklebur, common
  • copperleaf, hophornbeam
  • crabgrass
  • crowfootgrass
  • cupgrass
  • pennycress, field
  • pusley, florida
  • foxtail
  • galinsoga
  • goosegrass
  • henbit
  • jimsonweed
  • johnsongrass, seedling
  • junglerice
  • kochia
  • ladysthumb
  • mustard
  • nightshade, black
  • nightshade, eastern black
  • panicum, fall
  • pigweed
  • pigweed, redroot
  • pigweed, smooth
  • pigweed, spiny
  • poinsettia, wild
  • sida, prickly
  • purslane
  • ragweed, common
  • ragweed, giant
  • red rice
  • redweed
  • shepherd's-purse
  • sicklepod
  • smartweed
  • smartweed, pennsylvania
  • spurge, prostrate
  • spurge, spotted
  • starbur, bristly
  • sunflower
  • velvetleaf
  • mallow, venice
  • pepperweed, virginia
  • waterhemp, common
  • mustard, wild
  • witchgrass

Partial control

partial2
  • sprangletop
  • stinkgrass

Suppression

suppression12
  • barnyard sage
  • morningglory, entireleaf
  • morningglory, ivyleaf
  • nutsedge, purple
  • nutsedge, yellow
  • panicum, texas
  • ragweed, common
  • sandbur
  • shattercane
  • sorghum, volunteer
  • volunteer wheat
  • millet, wild-proso

Controls with a tank-mix partner

needs partner5
  • barley
  • dandelion, common
  • lambsquarters, common
  • prickly lettuce
  • thistle, russian

Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.

Matador-S 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, the rotational crop, and your state, region, and rainfall — some intervals differ in MN and ND.

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.

Matador-S FAQ

What weeds does Matador-S control?

The Matador-S label names 72 weeds, including spurred anoda, common barnyardgrass, florida beggarweed, annual bluegrass, broadleaf signalgrass, and browntop millet. Control varies by crop, rate, and timing.

What crops is Matador-S labeled for?

Matador-S is labeled for 1 crops and uses, including soybeans.

What is the active ingredient in Matador-S? Is it a generic?

Matador-S's active ingredient is imazethapyr, metolachlor, and metribuzin (MOA Group 2, 5, 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 Matador-S?

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.

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Can I tank-mix Matador-S?

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.

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Start with Matador-S 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.