Herbicide label
LONGBOW EC Herbicide Label
LONGBOW EC (EPA 71368-133) is a Group 14 carfentrazone-ethyl herbicide labeled for 42 crops. The label lists 69 controlled weeds, plus partial-control, suppression, and partner-control categories.
“LONGBOW EC is a contact protoporphyrinogen oxidase herbicide.”
LONGBOW EC label facts
- Product LONGBOW EC
- EPA Reg. No. 71368-133
- Registrant Nufarm, Inc.
- Active ingredient carfentrazone-ethyl
- MOA group 14
Crops on the LONGBOW EC label
LONGBOW EC is labeled for these 42 crops and uses, per the EPA label.
- field corn
- soybean
- wheat
- cotton
- sunflower
- potato
- peanut
- sugar beet
- barley
- sorghum
- rice
- alfalfa
- buckwheat
- cereal rye
- chickpea
- clover
- corn silage
- cowpea
- dry edible bean
- durum wheat
- fallow
- field pea
- flax
- grass seed
- lentil
- mint
- mustard
- oats
- popcorn
- radish
- rapeseed
- safflower
- seed corn
- sesame
- spinach
- sugarcane
- sweet corn
- sweet potato
- triticale
- turnip
- wild rice
- winter wheat
Weeds on the LONGBOW EC label
The LONGBOW EC label names 107 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 control69- amaranth, palmer
- amaranth, spiny
- anoda, spurred
- bedstraw, catchweed
- bindweed, field
- buffalobur
- burclover
- carpetweed
- mallow
- cotton, GMO varieties
- cotton, volunteer
- dayflower
- fiddleneck
- filaree, broadleaf
- filaree, redstem
- filaree, white
- flixweed
- groundcherry, smooth
- groundcherry, Wright's
- jimsonweed
- kochia
- lambsquarters, common
- prickly lettuce
- mallow, common
- mallow, venice
- meadowfoam
- nightshade, American black
- nightshade, black
- nightshade, eastern black
- nightshade, hairy
- nettle, burning
- pennycress, field
- redmaids
- rocket, london
- sage, lanceleaf
- shepherd's-purse
- sowthistle
- speedwell, Virginia
- dayflower, benghal
- spurge, prostrate
- spurry, corn
- tansymustard
- thistle, russian
- velvetleaf
- wallflower, bushy
- waterhemp, common
- ammannia, redstem
- arrowhead
- cocklebur, common
- copperleaf, hophornbeam
- dayflower, spreading
- eclipta
- groundcherry, cutleaf
- water hyssop
- jointvetch, indian
- jointvetch, northern
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, pitted
- morningglory, scarlet
- pigweed spp.
- pigweed, prostrate
- pigweed, redroot
- pigweed, smooth
- pigweed, tumble
- purslane, common
- redweed
- sesbania, hemp
- smartweed, pennsylvania
Partial control
partial1- weeds greater than 6 leaves
Suppression
suppression5- ammannia, purple
- alligatorweed
- ducksalad
- flatsedge, rice
- texasweed
Controls with a tank-mix partner
needs partner32- buttercup, smallflower
- chickweed
- dock, curled
- eveningprimrose, cutleaf
- dandelion, common
- fleabane, annual
- groundsel, common
- henbit
- horseweed
- knotweed, prostrate
- star-of-Bethlehem
- thistles, annual and biennial
- buckwheat, wild
- croton, woolly
- devilsclaw
- morningglory
- ragweed, common
- ragweed, giant
- smartweeds, annual
- sunflower, annual
- pigweed
- gromwell, common
- miner's lettuce
- mustard, blue
- mustard, tansy
- mustard, tumble
- mustard, wild
- pepperweed, greenflower
- primrose, tumble
- radish, wild
- sunflower, wild
- tarweed, coast
LONGBOW EC 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.
LONGBOW EC FAQ
What weeds does LONGBOW EC control?
The LONGBOW EC label names 107 weeds, including palmer amaranth, spiny amaranth, spurred anoda, catchweed bedstraw, field bindweed, and buffalobur. Control varies by crop, rate, and timing.
What crops is LONGBOW EC labeled for?
LONGBOW EC is labeled for 42 crops and uses, including field corn, soybeans, wheat, cotton, and sunflower.
What is the active ingredient in LONGBOW EC? Is it a generic?
LONGBOW EC's active ingredient is carfentrazone-ethyl (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.