Herbicide label
Agent 1.88
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.
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Agent 1.88 label facts
- Product Agent 1.88
- EPA Reg. No. 33270-31
- Active ingredient fomesafen
- MOA group 14
Crops on the Agent 1.88 label
Agent 1.88 is labeled for these 4 crops and uses, per the EPA label.
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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
- amaranth, spiny
- anoda, spurred
- balloonvine
- carpetweed
- citron
- cocklebur, common
- copperleaf, hophornbeam
- copperleaf, virginia
- crotalaria, showy
- croton, tropic
- cucumber, volunteer
- eclipta
- galinsoga
- groundcherry, cutleaf
- hemp
- jimsonweed
- ladysthumb
- lambsquarters, common
- mexicanweed
- morningglory, cypressvine
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, palmleaf
- morningglory, pitted
- morningglory, purple moonflower
- morningglory, red
- morningglory, smallflower
- morningglory, tall
- mustard, wild
- nightshade, black
- nightshade, eastern black
- pigweed, redroot
- pigweed, smooth
- poinsettia, wild
- purslane, common
- pusley, florida
- ragweed, common
- ragweed, giant
- sesbania, hemp
- sida, prickly
- smartweed, pennsylvania
- smellmelon
- spurge, prostrate
- starbur, bristly
- sunflower, annual
- velvetleaf
- mallow, venice
- waterhemp, common
- witchweed
- rocket, yellow
Partial control
partial21- barnyardgrass, common
- bindweed, field
- bindweed, hedge
- crabgrass
- foxtail, giant
- foxtail, green
- foxtail, yellow
- goosegrass
- horsenettle
- johnsongrass, seedling
- milkweed, climbing
- milkweed, honeyvine
- nightshade, hairy
- nutsedge, yellow
- panicum, fall
- panicum, texas
- redweed
- sicklepod
- signalgrass, broadleaf
- spurge, spotted
- trumpetcreeper
Suppression
suppression1- bursage, woolly-leaf
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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.
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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.
Agent 1.88 FAQ
What weeds does Agent 1.88 control?
The Agent 1.88 label names 73 weeds, including palmer amaranth, spiny amaranth, spurred anoda, balloonvine, carpetweed, and citron. 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.
What's the plant-back interval after Agent 1.88?
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.
Build a program →Can I tank-mix Agent 1.88?
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 Agent 1.88 and let FieldMarshal build a defensible herbicide program for your field, every product, rate, and plant-back cross-referenced and checked against the label.
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Sources
Last updated 2026-07-14.