Herbicide label
Boa
Boa (EPA 83529-78) is a Group 14 lactofen herbicide labeled for 3 crops. The label lists 56 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.
“Boa is a selective, broad spectrum herbicide for pre-emergence and post-emergence control of susceptible broadleaf weeds.”
Boa label facts
- Product Boa
- EPA Reg. No. 83529-78
- Registrant Sharda USA LLC
- Active ingredient lactofen
- MOA group 14
Crops on the Boa label
Boa is labeled for these 3 crops and uses, per the EPA label.
Need the rate or timing for one of these? Filter every label by your crop, free.
Weeds on the Boa label
The Boa label names 67 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 control56- amaranth, palmer
- amaranth, spiny
- balloonvine
- beggarweed, florida
- beggarticks, devils
- buffalobur
- burcucumber
- carpetweed
- cocklebur, common
- copperleaf, hophornbeam
- copperleaf, virginia
- crotalaria, showy
- croton, tropic
- croton, woolly
- devil's claw
- eclipta
- galinsoga, hairy
- groundcherry, cutleaf
- groundcherry, lanceleaf
- jimsonweed
- kochia
- lambsquarters, common
- mallow, venice
- morningglory, purple
- morningglory, cypressvine
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, palmleaf
- morningglory, pitted
- morningglory, smallflower
- morningglory, tall
- mustard, wild
- nightshade, black
- nightshade, eastern black
- nightshade, hairy
- pigweed, prostrate
- pigweed, redroot
- pigweed, smooth
- poinsettia, wild
- poorjoe
- puncturevine
- purslane, common
- pusley, florida
- ragweed, common
- ragweed, giant
- sage, lanceleaf
- sesbania, hemp
- sida, prickly
- smellmelon
- spurge, prostrate
- spurge, spotted
- spurge, toothed
- sunflower, annual
- texasweed
- waterhemp, common
- witchweed
Suppression
suppression11- anoda, spurred
- milkweed, climbing
- milkweed, common
- morningglory, bigroot
- redvine
- senna, coffee
- smartweed, pennsylvania
- smartweed, swamp
- thistle, canada
- trumpet creeper
- velvetleaf
Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.
Boa 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.
Boa FAQ
What weeds does Boa control?
The Boa label names 67 weeds, including palmer amaranth, spiny amaranth, balloonvine, florida beggarweed, devils beggarticks, and buffalobur. Control varies by crop, rate, and timing.
What crops is Boa labeled for?
Boa is labeled for 3 crops and uses, including soybeans, cotton, and peanut.
What is the active ingredient in Boa? Is it a generic?
Boa's active ingredient is lactofen (MOA Group 14). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.
Can I tank-mix Boa?
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 Boa 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.