Herbicide label

Agent 1.88 Herbicide Label

Agent 1.88 (EPA 33270-31) is a Group 14 fomesafen herbicide labeled for 4 crops. The label lists 51 controlled weeds, plus partial-control, suppression, and partner-control categories.

Agent 1.88 label facts

Crops on the Agent 1.88 label

Agent 1.88 is labeled for these 4 crops and uses, per the EPA label.

Weeds on the Agent 1.88 label

The Agent 1.88 label names 73 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 control51
  • amaranth, palmer
  • anoda, spurred
  • cocklebur, common
  • croton, tropic
  • eclipta
  • galinsoga
  • lambsquarters, common
  • morningglory, entireleaf
  • morningglory, ivyleaf
  • morningglory, pitted
  • morningglory, red
  • morningglory, smallflower
  • morningglory, tall
  • nightshade, black
  • nightshade, eastern black
  • pigweed, redroot
  • pigweed, smooth
  • poinsettia, wild
  • purslane, common
  • ragweed, common
  • ragweed, giant
  • sida, prickly
  • starbur, bristly
  • waterhemp, common
  • amaranth, spiny
  • balloonvine
  • carpetweed
  • citron
  • copperleaf, hophornbeam
  • copperleaf, virginia
  • crotalaria, showy
  • cucumber, volunteer
  • groundcherry, cutleaf
  • hemp
  • jimsonweed
  • ladysthumb
  • mexicanweed
  • morningglory, cypressvine
  • morningglory, palmleaf
  • morningglory, purple moonflower
  • mustard, wild
  • pusley, florida
  • sesbania, hemp
  • smartweed, pennsylvania
  • smellmelon
  • spurge, prostrate
  • sunflower, annual
  • velvetleaf
  • mallow, venice
  • witchweed
  • rocket, yellow

Partial control

partial21
  • nightshade, hairy
  • nutsedge, yellow
  • barnyardgrass, common
  • bindweed, field
  • bindweed, hedge
  • crabgrass
  • foxtail, giant
  • foxtail, green
  • foxtail, yellow
  • goosegrass
  • horsenettle
  • johnsongrass, seedling
  • milkweed, climbing
  • milkweed, honeyvine
  • panicum, fall
  • panicum, texas
  • redweed
  • sicklepod
  • signalgrass, broadleaf
  • spurge, spotted
  • trumpetcreeper

Suppression

suppression1
  • bursage, woolly-leaf

Agent 1.88 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.

Agent 1.88 FAQ

What weeds does Agent 1.88 control?

The Agent 1.88 label names 73 weeds, including palmer amaranth, spurred anoda, common cocklebur, tropic croton, eclipta, and galinsoga. Control varies by crop, rate, and timing.

What crops is Agent 1.88 labeled for?

Agent 1.88 is labeled for 4 crops and uses, including soybeans, cotton, potato, and dry edible bean.

What is the active ingredient in Agent 1.88? Is it a generic?

Agent 1.88's active ingredient is fomesafen (MOA Group 14). 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.