Herbicide label

SINISTER INTENT

SINISTER INTENT (EPA 5905-603) is a Group 14 and 15 fomesafen and metolachlor herbicide labeled for 2 crops. The label lists 31 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

SINISTER INTENT label facts

Crops on the SINISTER INTENT label

SINISTER INTENT is labeled for these 2 crops and uses, per the EPA label.

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Weeds on the SINISTER INTENT label

The SINISTER INTENT label names 47 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 control31
  • barnyardgrass, common
  • cupgrass, prairie
  • goosegrass
  • signalgrass, broadleaf
  • crabgrass spp.
  • cupgrass, southwestern
  • junglerice
  • witchgrass
  • crowfootgrass
  • foxtail spp.
  • panicum, fall
  • carpetweed
  • pennycress, field
  • pusley, florida
  • spurge, spotted
  • ecliptia
  • pepperweed, virginia
  • ragweed, common
  • starbur, bristly
  • galinsoga spp.
  • pigweed spp.
  • redweed
  • waterhemp spp.
  • lambsquarters, common
  • poinsettia, wild
  • smartweed, ladysthumb
  • nightshade, eastern black
  • purslane, common
  • smartweed, pennsylvania
  • sesbania, hemp
  • morningglory

Partial control

partial17
  • johnsongrass, seedling
  • panicum, texas
  • red rice
  • sandbur spp.
  • shattercane
  • cocklebur, common
  • morningglory
  • sida, prickly
  • horseweed
  • nightshade, hairy
  • sunflower, annual
  • jimsonweed
  • ragweed, giant
  • velvetleaf
  • nutsedge, yellow
  • waterhemp, common
  • pigweed

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SINISTER INTENT 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 AL, AR, CT, DE, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, ND, NE, NH, NJ, NY, OH, OK, PA, RI, SC, SD, TN, TX, VA, VT, WI, and WV.

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.

SINISTER INTENT FAQ

What weeds does SINISTER INTENT control?

The SINISTER INTENT label names 47 weeds, including common barnyardgrass, prairie cupgrass, goosegrass, broadleaf signalgrass, crabgrass spp., and southwestern cupgrass. Control varies by crop, rate, and timing.

What crops is SINISTER INTENT labeled for?

SINISTER INTENT is labeled for 2 crops and uses, including soybeans and cotton.

What is the active ingredient in SINISTER INTENT? Is it a generic?

SINISTER INTENT's active ingredient is fomesafen and metolachlor (MOA Group 14 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 SINISTER INTENT?

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 SINISTER INTENT?

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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Sources

Last updated 2026-07-14.