Herbicide label
Megalodon Herbicide Label
Megalodon (EPA 2749-646) is a Group 14 carfentrazone-ethyl herbicide labeled for 42 crops. The label lists 55 controlled weeds, plus partial-control, suppression, and partner-control categories.
“Carfentrazone-ethyl is a contact herbicide.”
Megalodon label facts
- Product Megalodon
- EPA Reg. No. 2749-646
- Registrant Actylis
- Active ingredient carfentrazone-ethyl
- MOA group 14
Crops on the Megalodon label
Megalodon 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
- clover
- seed corn
- corn silage
- popcorn
- sweet corn
- chickpea
- cowpea
- dry edible bean
- field pea
- lentil
- flax
- grass seed
- mint
- winter wheat
- durum wheat
- oats
- cereal rye
- triticale
- sugarcane
- sweet potato
- fallow
- safflower
- rapeseed
- mustard
- sesame
- spinach
- buckwheat
- wild rice
- pearl millet
- proso millet
Weeds on the Megalodon label
The Megalodon label names 93 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 control55- amaranth, palmer
- amaranth, spiny
- anoda, spurred
- bedstraw, catchweed
- buffalobur
- carpetweed
- mallow
- cocklebur, common
- copperleaf, hophornbeam
- cotton, GMO varieties
- cotton, volunteer
- eclipta
- fiddleneck
- filaree, broadleaf
- filaree, redstem
- filaree, white
- flixweed
- groundcherry, smooth
- groundcherry, wright's
- jimsonweed
- kochia
- lambsquarters, common
- prickly lettuce
- mallow, common
- mallow, venice
- meadowfoam
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, pitted
- morningglory, scarlet
- nettle, burning
- nightshade, american black
- nightshade, black
- nightshade, eastern black
- nightshade, hairy
- pennycress, field
- pigweed, prostrate
- pigweed, redroot
- pigweed, smooth
- pigweed, tumble
- purslane, common
- redmaids
- rocket, london
- sesbania, hemp
- shepherd's-purse
- smartweed, pennsylvania
- speedwell, virginia
- dayflower, benghal
- spurge, prostrate
- spurry, corn
- tansymustard
- thistle, russian
- velvetleaf
- wallflower, bushy
- waterhemp, common
Suppression
suppression5- bindweed, field
- burclover
- dayflower
- sage, lanceleaf
- sowthistle
Controls with a tank-mix partner
needs partner33- buckwheat, wild
- buttercup, smallflower
- chickweed
- dandelion, common
- dock, curled
- eveningprimrose, cutleaf
- fleabane, annual
- groundsel, common
- hemp, wild
- henbit
- knotweed, prostrate
- horseweed
- star-of-bethlehem
- thistles, annual and biennial
- croton, woolly
- devilsclaw
- potato, volunteer
- pigweed, triazine resistant
- ragweed, common
- ragweed, giant
- sunflower, annual
- gromwell, common
- miner's lettuce
- mustard, blue
- mustard, tumble
- mustard, wild
- pepperweed, greenflower
- primrose, tumble
- radish, wild
- sowthistle, annual
- speedwell
- sunflower, wild
- tarweed, coast
Megalodon 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.
Megalodon FAQ
What weeds does Megalodon control?
The Megalodon label names 93 weeds, including palmer amaranth, spiny amaranth, spurred anoda, catchweed bedstraw, buffalobur, and carpetweed. Control varies by crop, rate, and timing.
What crops is Megalodon labeled for?
Megalodon is labeled for 42 crops and uses, including field corn, soybeans, wheat, cotton, and sunflower.
What is the active ingredient in Megalodon? Is it a generic?
Megalodon'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.