Herbicide label
Paraquat 3SL
Paraquat 3SL (EPA 93809-4) is a Group 22 paraquat herbicide labeled for 27 crops. The label lists 35 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.
Free to create your account. Every line references the label, so you can check it against the source.
Paraquat 3SL label facts
- Product Paraquat 3SL
- EPA Reg. No. 93809-4
- Registrant Axill Solutions, LLC
- Active ingredient paraquat
- MOA group 22
Crops on the Paraquat 3SL label
Paraquat 3SL is labeled for these 27 crops and uses, per the EPA label.
- field corn
- soybean
- wheat
- cotton
- sunflower
- potato
- peanut
- sugar beet
- barley
- sorghum
- rice
- alfalfa
- chickpea
- clover
- corn silage
- cowpea
- dry edible bean
- fallow
- grass seed
- lentil
- mint
- popcorn
- safflower
- seed corn
- sweet corn
- turnip
- durum wheat
Need the rate or timing for one of these? Filter every label by your crop, free.
Weeds on the Paraquat 3SL label
The Paraquat 3SL label names 53 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 control35- barley
- barnyardgrass, common
- bluegrass, annual
- brome, downy
- brome, rescue
- chickweed
- crabgrass
- dogfennel
- fiddleneck
- foxtail
- foxtail, giant
- goosegrass
- groundcherry, cutleaf
- groundsel, common
- henbit
- johnsongrass, seedling
- maids, red
- millet, texas
- wild oats
- panicum, fall
- pigweed
- purslane
- ragweed, common
- red rice
- rocket, london
- ryegrass
- ryegrass, italian
- shepherd's-purse
- sicklepod
- signalgrass, broadleaf
- sowthistle
- spikeweed
- tansymustard
- volunteer wheat
- witchweed
Partial control
partial13- cocklebur, common
- horseweed
- knotweed
- kochia
- lambsquarters
- mallow
- morningglory
- ragweed, giant
- sedges
- sida, prickly
- smartweed, pennsylvania
- starbur, bristly
- velvetleaf
Suppression
suppression5- bindweed, hedge
- dandelion
- johnsongrass
- prickly lettuce
- thistle, canada
Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.
Paraquat 3SL 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, the rotational crop, and your state, region, and rainfall — some intervals differ in AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, HI, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, and WY.
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.
Paraquat 3SL FAQ
What weeds does Paraquat 3SL control?
The Paraquat 3SL label names 53 weeds, including barley, common barnyardgrass, annual bluegrass, downy brome, rescue brome, and chickweed. Control varies by crop, rate, and timing.
What crops is Paraquat 3SL labeled for?
Paraquat 3SL is labeled for 27 crops and uses, including field corn, soybeans, wheat, cotton, and sunflower.
What is the active ingredient in Paraquat 3SL? Is it a generic?
Paraquat 3SL's active ingredient is paraquat (MOA Group 22). 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 Paraquat 3SL?
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 Paraquat 3SL?
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 Paraquat 3SL and let FieldMarshal build a defensible herbicide program for your field, every product, rate, and plant-back cross-referenced and checked against the label.
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.