Herbicide label

LONGBOW EC

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.

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.

Build a program → or filter every label, free

Free to create your account. Every line references the label, so you can check it against the source.

Official EPA label (PDF)

“LONGBOW EC is a contact protoporphyrinogen oxidase herbicide.”

— LONGBOW EC EPA label, Reg. No. 71368-133

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.

Need the rate or timing for one of these? Filter every label by your crop, free.

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
ammannia, redstem
anoda, spurred
arrowhead
bedstraw, catchweed
bindweed, field
buffalobur
burclover
carpetweed
mallow
cocklebur, common
copperleaf, hophornbeam
cotton, GMO varieties
cotton, volunteer
dayflower
dayflower, spreading
eclipta
fiddleneck
filaree, broadleaf
filaree, redstem
filaree, white
flixweed
groundcherry, cutleaf
groundcherry, smooth
groundcherry, Wright's
water hyssop
jimsonweed
jointvetch, indian
jointvetch, northern
kochia
lambsquarters, common
prickly lettuce
mallow, common
mallow, venice
meadowfoam
morningglory, entireleaf
morningglory, ivyleaf
morningglory, pitted
morningglory, scarlet
nightshade, American black
nightshade, black
nightshade, eastern black
nightshade, hairy
nettle, burning
pennycress, field
pigweed spp.
pigweed, prostrate
pigweed, redroot
pigweed, smooth
pigweed, tumble
purslane, common
redmaids
redweed
rocket, london
sage, lanceleaf
sesbania, hemp
shepherd's-purse
smartweed, pennsylvania
sowthistle
speedwell, Virginia
spiderwort, tropical
spurge, prostrate
spurry, corn
tansymustard
thistle, russian
velvetleaf
wallflower, bushy
waterhemp, common

Partial control

partial1

weeds greater than 6 leaves

Suppression

suppression6

alligatorweed
ammannia, purple
ducksalad
eclipta
flatsedge, rice
texasweed

Controls with a tank-mix partner

needs partner33

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
fiddleneck
gromwell, common
miner's lettuce
mustard, blue
mustard, tansy
mustard, tumble
mustard, wild
pepperweed, greenflower
primrose, tumble
radish, wild
sunflower, wild
tarweed, coast

Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.

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, the rotational crop, and your state or region.

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, redstem ammannia, spurred anoda, arrowhead, and catchweed bedstraw. 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.

What's the plant-back interval after LONGBOW EC?

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 LONGBOW EC?

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.