Herbicide label

Eptam 20-G

Eptam 20-G (EPA 10163-281) is a Group 15 eptc herbicide labeled for 9 crops. The label lists 38 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.

Build a program → or filter every label, free

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

Official EPA label (PDF)

“Eptam 20-G granules is a selective herbicide which is mixed (incorporated) into the soil for control of weeds listed on this label.”

— Eptam 20-G EPA label, Reg. No. 10163-281

Eptam 20-G label facts

Crops on the Eptam 20-G label

Eptam 20-G is labeled for these 9 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 Eptam 20-G label

The Eptam 20-G label names 40 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 control38
  • bluegrass, annual
  • ryegrass, annual
  • ryegrass, italian
  • barnyardgrass, common
  • watergrass
  • junglerice
  • crabgrass
  • sandbur, field
  • foxtail, giant
  • goosegrass
  • foxtail, green
  • johnsongrass, seedling
  • wildcane
  • shattercane
  • black ambercane
  • chicken-corn
  • barley
  • oats
  • volunteer wheat
  • wild oats
  • foxtail, yellow
  • nightshade, black
  • chickweed, common
  • lambsquarters, common
  • spurry, corn
  • deadnettle, purple
  • henbit
  • pusley, florida
  • nightshade, hairy
  • goosefoot, nettleleaf
  • purslane, common
  • pigweed, prostrate
  • pigweed, redroot
  • pigweed, common
  • pigweed, tumble
  • nutsedge
  • nutsedge, purple
  • nutsedge, yellow

Suppression

suppression2
  • bermudagrass
  • quackgrass

Weed indexes featuring this label

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

Eptam 20-G 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.

Eptam 20-G FAQ

What weeds does Eptam 20-G control?

The Eptam 20-G label names 40 weeds, including annual bluegrass, annual ryegrass, italian ryegrass, common barnyardgrass, watergrass, and junglerice. Control varies by crop, rate, and timing.

What crops is Eptam 20-G labeled for?

Eptam 20-G is labeled for 9 crops and uses, including field corn, sunflower, potato, sugar beet, and alfalfa.

What is the active ingredient in Eptam 20-G? Is it a generic?

Eptam 20-G's active ingredient is eptc (MOA Group 15). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.

Can I tank-mix Eptam 20-G?

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 Eptam 20-G and let FieldMarshal build a defensible herbicide program for your field, every product, rate, and plant-back cross-referenced and checked against the label.

Build a program → or filter labels for free

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.