Herbicide label

Realm Q

Realm Q (EPA 352-837) is a Group 2 and 27 mesotrione and rimsulfuron herbicide labeled for 2 crops. The label lists 63 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

“Realm Q is a selective herbicide for burndown and residual control of certain annual grass and broadleaf weeds when applied postemergence to field corn grown for grain or silage.”

— Realm Q EPA label, Reg. No. 352-837

Realm Q label facts

Crops on the Realm Q label

Realm Q is labeled for these 2 crops and uses, per the EPA label.

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Weeds on the Realm Q label

The Realm Q label names 80 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 control63
  • amaranth, powell
  • amaranth, spiny
  • atriplex
  • barnyardgrass, common
  • bluegrass, annual
  • signalgrass, broadleaf
  • buffalobur
  • burcucumber
  • carpetweed
  • carrot, wild
  • chickweed, common
  • cocklebur, common
  • crabgrass, large
  • dandelion
  • foxtails (bristly, giant, green, yellow)
  • galinsoga
  • hemp
  • horsenettle
  • jimsonweed
  • johnsongrass, seedling
  • kochia
  • lambsquarters, common
  • mallow, venice
  • marestail (horseweed)
  • morningglory, entireleaf
  • morningglory, ivyleaf
  • morningglory, pitted
  • mustard, wild
  • nightshade, black
  • nightshade, eastern black
  • nightshade, hairy
  • panicum, fall
  • panicum, texas
  • panicum, browntop
  • pigweed, redroot
  • pigweed, smooth
  • pigweed, tumble
  • pusley, florida
  • quackgrass
  • ragweed, common
  • ragweed, giant
  • ryegrass, italian
  • ryegrass, perennial
  • sandbur, field
  • sandbur, longspine
  • sesbania, hemp
  • shattercane
  • sida, prickly
  • smartweed, ladysthumb
  • smartweed, pale
  • smartweed, pennsylvania
  • sorghum album
  • stinkgrass
  • sunflower, annual
  • timothy
  • velvetleaf
  • volunteer cereals
  • waterhemp, common
  • wild oats
  • millet, wild-proso
  • muhly, wirestem
  • witchgrass
  • cupgrass, woolly

Partial control

partial17
  • amaranth, palmer
  • signalgrass, broadleaf
  • buckwheat, wild
  • dock, curly
  • johnsongrass, seedling
  • knotweed, prostrate
  • marestail (horseweed)
  • nutsedge, yellow
  • pokeweed, common
  • quackgrass
  • ryegrass, italian
  • ryegrass, perennial
  • sida, prickly
  • stinkgrass
  • thistle, canada
  • waterhemp, common
  • millet, wild-proso

Controls with a tank-mix partner

needs partner14
  • alfalfa
  • chamomile, false
  • crabgrass
  • filaree, redstem
  • henbit
  • millet, wild-proso
  • mustard, birdsrape
  • mustard, black
  • purslane, common
  • shepherd's-purse
  • waterhemp, smooth
  • waterhemp, common
  • buckwheat, wild
  • wild oats

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Realm Q 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.

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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 cites the exact plant-back for your rotational crop to the label line.

Realm Q FAQ

What weeds does Realm Q control?

The Realm Q label names 80 weeds, including powell amaranth, spiny amaranth, atriplex, common barnyardgrass, annual bluegrass, and broadleaf signalgrass. Control varies by crop, rate, and timing.

What crops is Realm Q labeled for?

Realm Q is labeled for 2 crops and uses, including field corn and corn silage.

What is the active ingredient in Realm Q? Is it a generic?

Realm Q's active ingredient is mesotrione and rimsulfuron (MOA Group 2 and 27). 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 Realm Q?

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.

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Can I tank-mix Realm Q?

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.

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Sources

Last updated 2026-07-10.