Herbicide label
DuPont BL1 Herbicide Label
DuPont BL1 (EPA 42750-271-352) is a Group 4 dicamba herbicide labeled for 18 crops. The label lists 217 controlled weeds, plus partial-control, suppression, and partner-control categories.
DuPont BL1 label facts
- Product DuPont BL1
- EPA Reg. No. 42750-271-352
- Distributor Corteva Agriscience
- Active ingredient dicamba
- MOA group 4
Crops on the DuPont BL1 label
DuPont BL1 is labeled for these 18 crops and uses, per the EPA label.
Weeds on the DuPont BL1 label
The DuPont BL1 label names 228 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 control217- alfalfa
- jerusalem artichoke
- aster, spiny
- aster, white heath
- bedstraw, smooth
- bindweed, field
- bindweed, hedge
- bluewood, texas
- burdock
- bursage, woolly-leaf
- buttercup, tall
- campion, bladder
- chickweed, field
- chickweed, mouseear
- chicory
- clover, hop
- dandelion
- dock, broadleaf
- dock, curly
- dogbane, hemp
- dogfennel
- eveningprimrose, common
- fern, bracken
- garlic, wild
- goldenrod
- goldenrod, missouri
- goldenweed, common
- gromwell
- hawkweed
- henbane, black
- horsenettle
- ironweed
- knapweed, black
- knapweed, diffuse
- knapweed, russian
- knapweed, spotted
- lespedeza, sericea
- mallow, dwarf
- milkweed, common
- milkweed, honeyvine
- milkweed, western whorled
- stinging nettle
- nightshade, silverleaf
- onion, wild
- plantain, bracted
- plantain, broadleaf
- plantain, narrow-leaved
- pokeweed, common
- ragweed, western
- ragwort, tansy
- redvine
- smartweed, swamp
- snakeweed, broom
- sorrel, red
- sowthistle, perennial
- spurge, leafy
- starthistle, yellow
- sundrop
- sweetclover
- teasel
- thistle, bull
- thistle, canada
- thistle, milk
- thistle, musk
- thistle, plumeless
- thistle, scotch
- toadflax, dalmatian
- tropical soda apple
- trumpetcreeper
- vetch
- waterhemlock, spotted
- waterprimrose, creeping
- woodsorrel, creeping
- woodsorrel, yellow
- wormwood, louisiana
- yankeeweed
- yarrow, common
- alkanet
- amaranth, palmer
- amaranth, powell
- amaranth, spiny
- aster, slender
- bedstraw, catchweed
- beggarweed, florida
- broomweed, common
- buckwheat, tartary
- buckwheat, wild
- buffalobur
- burclover, california
- burcucumber
- buttercup, corn
- buttercup, creeping
- buttercup, roughseed
- buttercup, western field
- carpetweed
- carrot, wild
- catchfly, nightflowering
- chamomile, corn
- chervil, bur
- chickweed, common
- clover species
- cockle, corn
- cockle, cow
- cockle, white
- cocklebur, common
- copperleaf, hophornbeam
- cornflower
- croton, tropic
- croton, woolly
- daisy, english
- dragonhead, american
- eveningprimrose, cutleaf
- falseflax, smallseed
- fleabane, annual
- flixweed
- fumitory
- carolina geranium
- goosefoot, nettleleaf
- hempnettle
- henbit
- jacob's ladder
- jimsonweed
- knawel
- kochia
- knotweed, prostrate
- ladysthumb
- lambsquarters, common
- miner's lettuce
- prickly lettuce
- mallow, common
- mallow, venice
- horseweed
- mayweed
- morningglory, ivyleaf
- morningglory, tall
- mustard, black
- mustard, blue
- mustard, tansy
- mustard, treacle
- mustard, tumble
- mustard, wild
- mustard, yellowtops
- needles, spanish
- nightshade, black
- nightshade, cutleaf
- pennycress, field
- pepperweed, virginia
- pigweed, prostrate
- pigweed, redroot
- pigweed, rough
- pigweed, smooth
- pineapple-weed
- poorjoe
- poppy, red-horned
- puncturevine
- purslane, common
- pusley, florida
- radish, wild
- ragweed, common
- ragweed, giant
- ragweed, lance-leaf
- rocket, london
- rocket, yellow
- rubberweed, bitter
- salsify
- senna, coffee
- sesbania, hemp
- shepherd's-purse
- sicklepod
- sida, prickly
- smartweed, green
- smartweed, pennsylvania
- sneezeweed, bitter
- sowthistle, annual
- sowthistle, spiny
- spikeweed, common
- spurge, prostrate
- spurry, corn
- starbur, bristly
- starwort, little
- sumpweed, rough
- sunflower, annual
- sunflower
- thistle, russian
- velvetleaf
- waterprimrose, winged
- waterhemp, common
- wormwood
- aspen
- basswood
- cedar, eastern red
- cherry
- chinquapin
- cottonwood
- cucumbertree
- grape
- hemlock
- honeylocust
- honeysuckle
- hornbeam
- huckleberry
- huisache
- poison ivy
- maple
- mesquite
- oak
- plum, sand
- poplar
- rabbitbrush
- redcedar, eastern
- serviceberry
- spicebush
- spruce
- sycamore
- tarbush
- witchhazel
- yucca
Suppression
suppression11- blackberry
- blackgum
- brome, downy
- brome, ripgut
- creosotebush
- dewberry
- rattail fescue
- rose, mccartney
- sweetgum
- windgrass, common
- yaupon
DuPont BL1 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.
DuPont BL1 FAQ
What weeds does DuPont BL1 control?
The DuPont BL1 label names 228 weeds, including alfalfa, jerusalem artichoke, spiny aster, white heath aster, smooth bedstraw, and field bindweed. Control varies by crop, rate, and timing.
What crops is DuPont BL1 labeled for?
DuPont BL1 is labeled for 18 crops and uses, including field corn, soybeans, wheat, cotton, and barley.
What is the active ingredient in DuPont BL1? Is it a generic?
DuPont BL1's active ingredient is dicamba (MOA Group 4). 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.