Herbicide label

DUET

DUET (EPA 70506-361) is a Group 2 and 5 bensulfuron-methyl and propanil herbicide labeled for 1 crops. The label lists 41 controlled weeds, plus partial-control, suppression, and partner-control categories.

Build the herbicide program for your field

Tell FieldMarshal your crop, weeds, and rotation. Get back a complete program, products, rates, plant-back, and tank-mix, with every line checked against the label so you can verify it yourself.

Built from 1,700+ EPA herbicide labels and 49 state weed-control guides. Made for crop advisors and growers.

Free to create your account. Every line references the label, so you can check it against the source.

Official EPA label (PDF)

“DUET® Herbicide is a combination of Propanil, a Group 7 herbicide that inhibits PSII, and also includes Bensulfuron methyl, a Group 2 herbicide, or ALS herbicide which inhibit acetolactate synthase (ALS). These two modes of action can be used to manage resistance (See **WEED RESISTANCE MANAGEMENT** section of this label).”

— DUET EPA label, Reg. No. 70506-361

DUET label facts

Crops on the DUET label

DUET 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 DUET label

The DUET label names 42 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 control41
  • arrowhead, annual
  • barnyardgrass, common
  • spikerush, blunt
  • signalgrass, broadleaf
  • cocklebur, common
  • coffeeweed
  • coffeebean
  • crabgrass
  • croton
  • indigo, curly
  • dayflower
  • ducksalad
  • eclipta
  • waterhyssop, eisen
  • false pimpernel
  • foxtail
  • goosegrass
  • gooseweed
  • groundcherry
  • cockspur, gulf
  • sesbania, hemp
  • mexicanweed
  • millet, texas
  • morningglory
  • plantain, mud
  • paragrass
  • smartweed, pennsylvania
  • pickerelweed
  • pigweed
  • ammannia, purple
  • flatsedge, rice
  • bulrush, roughseed
  • sicklepod
  • umbrella plant, smallflower
  • dock, curly
  • spearhead
  • texasweed
  • water plantain
  • waterwort
  • wiregrass
  • nutsedge, yellow

Controls with a tank-mix partner

needs partner1
  • indigo

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

DUET 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.

DUET FAQ

What weeds does DUET control?

The DUET label names 42 weeds, including annual arrowhead, common barnyardgrass, blunt spikerush, broadleaf signalgrass, common cocklebur, and coffeeweed. Control varies by crop, rate, and timing.

What crops is DUET labeled for?

DUET is labeled for 1 crops and uses, including rice.

What is the active ingredient in DUET? Is it a generic?

DUET's active ingredient is bensulfuron-methyl and propanil (MOA Group 2 and 5). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.

Can I tank-mix DUET?

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 DUET and let FieldMarshal build a defensible herbicide program for your field, every product, rate, and plant-back cross-referenced and checked against the label.

Free account and label filter. Building a program is paid, metered by use, so you pay only for what you build.

Sources

Last updated 2026-07-14.