Herbicide label

SHARK EW

SHARK EW (EPA 279-3242) is a Group 14 carfentrazone-ethyl herbicide labeled for 40 crops. The label lists 96 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

“SHARK EW Herbicide is a contact PPO herbicide.”

— SHARK EW EPA label, Reg. No. 279-3242

SHARK EW label facts

Product SHARK EW
EPA Reg. No. 279-3242
Registrant FMC Corporation
Active ingredient carfentrazone-ethyl
MOA group 14

Crops on the SHARK EW label

SHARK EW is labeled for these 40 crops and uses, per the EPA label.

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Weeds on the SHARK EW label

The SHARK EW label names 97 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 control96

amaranth, palmer
amaranth, spiny
pigweed
anoda, spurred
bedstraw, catchweed
bindweed, field
buckwheat, wild
buffalobur
burclover
buttercup, smallflower
carpetweed
mallow
chickweed
cocklebur, common
copperleaf, hophornbeam
spurry, corn
cotton, GMO varieties
cotton, volunteer
croton, woolly
curled dock
dayflower
devilsclaw
eclipta
eveningprimrose, cutleaf
fiddleneck
filaree, broadleaf
filaree, redstem
filaree, white
fleabane, annual
flixweed
groundcherry, smooth
groundcherry, Wright's
groundsel, common
henbit
jimsonweed
kochia
lambsquarters
lambsquarters, common
miner's lettuce
prickly lettuce
mallow, common
mallow, venice
meadowfoam
morningglory, entireleaf
morningglory, ivyleaf
morningglory, pitted
morningglory, scarlet
morningglory, spp.
mustard, blue
mustard, tansy
mustard, tumble
mustard, wild
nettle, burning
nightshade, American black
nightshade, black
nightshade, eastern black
nightshade, hairy
pennycress, field
pepperweed, greenflower
pigweed, prostrate
pigweed, redroot
pigweed, smooth
pigweed, triazine resistant
pigweed, tumble
potato, volunteer
primrose, cutleaf
primrose, tumble
knotweed, prostrate
purslane, common
radish, wild
ragweed, common
ragweed, giant
rocket, london
sage, lanceleaf
sesbania, hemp
shepherd's-purse
smartweed, pennsylvania
smartweeds, annual
sowthistle
sowthistle, annual
speedwell
speedwell, Virginia
spiderwort, tropical
spurge, prostrate
star-of-Bethlehem
sunflower, annual
sunflower, wild
tansymustard
tarweed, coast
thistle, russian
thistles, annual and biennial
velvetleaf
wallflower, bushy
waterhemp, common
waterhemp, spp.
wild hemp

Partial control

partial5

bindweed, field
burclover
dayflower
sage, lanceleaf
sowthistle

Controls with a tank-mix partner

needs partner29

amaranth, palmer
amaranth, spiny
buckwheat, wild
croton, woolly
devilsclaw
eveningprimrose, cutleaf
potato, volunteer
cocklebur, common
pigweed, triazine resistant
ragweed, common
ragweed, giant
sunflower, annual
pigweed
gromwell, common
groundsel, common
knotweed, prostrate
miner's lettuce
mustard, blue
mustard, tansy
mustard, tumble
mustard, wild
pepperweed, greenflower
primrose, cutleaf
primrose, tumble
radish, wild
sowthistle, annual
speedwell
sunflower, wild
tarweed, coast

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SHARK EW 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.

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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.

SHARK EW FAQ

What weeds does SHARK EW control?

The SHARK EW label names 97 weeds, including palmer amaranth, spiny amaranth, pigweed, spurred anoda, catchweed bedstraw, and field bindweed. Control varies by crop, rate, and timing.

What crops is SHARK EW labeled for?

SHARK EW is labeled for 40 crops and uses, including field corn, soybeans, wheat, cotton, and sunflower.

What is the active ingredient in SHARK EW? Is it a generic?

SHARK EW'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 SHARK EW?

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.

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Can I tank-mix SHARK EW?

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.