Herbicide label

Seeker Herbicide Label

Seeker (EPA 94144-2-2749) is a Group 27 mesotrione herbicide labeled for 12 crops. The label lists 69 controlled weeds, plus partial-control, suppression, and partner-control categories.

“SEEKER HERBICIDE is a systemic pre-emergence and post-emergence herbicide for the selective contact and residual control of broadleaf weeds in Field corn, Seed corn, Yellow popcorn, Sweet corn and other listed crops.”

— Seeker EPA label, Reg. No. 94144-2-2749

Seeker label facts

Crops on the Seeker label

Seeker is labeled for these 12 crops and uses, per the EPA label.

Weeds on the Seeker label

The Seeker label names 87 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 control69
  • amaranth, palmer
  • amaranth, powell
  • amaranth, spiny
  • atriplex
  • bittercress, lesserseeded
  • buffalobur
  • burclover, california
  • carpetweed
  • carrot, wild
  • chickweed, common
  • chickweed, mouseear
  • cocklebur, common
  • crabgrass, large
  • cudweed, lowland
  • dandelion, common
  • deadnettle, purple
  • dock, curly
  • eveningprimrose, cutleaf
  • fiddleneck
  • filaree, redstem
  • filaree, whitestem
  • fleabane, hairy
  • galinsoga
  • carolina geranium
  • groundcherry, smooth
  • groundsel, common
  • hemp
  • henbit
  • horseweed
  • jimsonweed
  • lambsquarters, common
  • prickly lettuce
  • mallow, common
  • mannagrass
  • mayweed, chamomile
  • mustard, wild
  • nettle, burning
  • nightshade, black
  • nightshade, eastern black
  • nightshade, hairy
  • pansy
  • pigweed, redroot
  • pigweed, smooth
  • pigweed, tumble
  • pineapple-weed
  • potatoes, volunteer
  • puncturevine, common
  • purslane, common
  • pusley, florida
  • radish, wild
  • ragweed, common
  • ragweed, giant
  • redmaids
  • rocket, london
  • sesbania, hemp
  • shepherd's-purse
  • signalgrass, broadleaf
  • smartweed, ladysthumb
  • smartweed, pale
  • smartweed, pennsylvania
  • sowthistle, annual
  • needles, spanish
  • sunflower, annual
  • swinecress
  • tasselflower, red
  • velvetleaf
  • vetch
  • waterhemp, common
  • willowherb, panicle

Partial control

partial12
  • buckwheat, wild
  • burcucumber
  • horsenettle
  • knotweed, prostrate
  • kochia
  • morningglory, entireleaf
  • morningglory, ivyleaf
  • morningglory, pitted
  • nutsedge, yellow
  • pokeweed, common
  • pusley, common
  • vetch, purple

Suppression

suppression3
  • bentgrass
  • fluevellin, sharppoint
  • toadrush

Controls with a tank-mix partner

needs partner9
  • burcucumber
  • horsenettle
  • kochia
  • morningglory, entireleaf
  • morningglory, ivyleaf
  • morningglory, pitted
  • mallow, venice
  • sida, prickly
  • thistle, canada

Seeker 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.

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 gives you the exact plant-back for your rotational crop from the label line.

Seeker FAQ

What weeds does Seeker control?

The Seeker label names 87 weeds, including palmer amaranth, powell amaranth, spiny amaranth, atriplex, lesserseeded bittercress, and buffalobur. Control varies by crop, rate, and timing.

What crops is Seeker labeled for?

Seeker is labeled for 12 crops and uses, including field corn, soybeans, sorghum, seed corn, and sweet corn.

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

Seeker's active ingredient is mesotrione (MOA Group 27). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.

Sources

Last updated 2026-09-30.