Herbicide label
MesoTryOne 4L Herbicide Label
MesoTryOne 4L (EPA 19713-685) is a Group 27 mesotrione herbicide labeled for 10 crops. The label lists 103 controlled weeds, plus partial-control, suppression, and partner-control categories.
“MESOTRYONE 4L is a systemic pre-emergence and post-emergence herbicide for the selective contact and residual control of broadleaf weeds in Field corn, Seed corn, Sweet corn, Yellow popcorn and other listed crops.”
MesoTryOne 4L label facts
- Product MesoTryOne 4L
- EPA Reg. No. 19713-685
- Registrant Drexel Chemical Company
- Active ingredient mesotrione
- MOA group 27
Crops on the MesoTryOne 4L label
MesoTryOne 4L is labeled for these 10 crops and uses, per the EPA label.
Weeds on the MesoTryOne 4L label
The MesoTryOne 4L label names 112 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 control103- amaranth, palmer
- amaranth, powell
- amaranth, spiny
- atriplex
- barnyardgrass, common
- bentgrass, creeping
- bittercress, lesser-seeded
- signalgrass, broadleaf
- plantain, narrow-leaved
- buffalobur
- burclover, california
- burcucumber
- buttercup
- carpetweed
- carrot, wild
- chickweed, common
- chickweed, mouseear
- hop clover, large
- clover, white
- cocklebur, common
- crabgrass, large
- crabgrass, smooth
- crabgrass, southern
- dock, curly
- dandelion, catsear
- dandelion, common
- deadnettle, purple
- eveningprimrose, cutleaf
- fiddleneck
- filaree, redstem
- filaree, whitestem
- fleabane, hairy
- florida betony
- foxtail, yellow
- galinsoga
- carolina geranium
- goosegrass
- ground ivy
- groundcherry, smooth
- groundsel, common
- heal-all
- henbit
- hemp
- horsenettle
- horseweed
- horseweed / marestail
- jimsonweed
- kochia
- lambsquarters, common
- burweed, lawn
- prickly lettuce
- lovegrass, tufted
- mallow, common
- mannagrass
- mayweed, chamomile
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, pitted
- mustard, wild
- nettle, burning
- nightshade, black
- nightshade, eastern black
- nightshade, hairy
- nimblewill
- nutsedge, yellow
- oxalis
- pansy
- pigweed, redroot
- pigweed, smooth
- pigweed, tumble
- pineapple-weed
- potatoes, volunteer
- puncturevine, common
- purslane, common
- pusley, florida
- radish, wild
- ragweed, common
- ragweed, giant
- redmaids
- rocket, london
- sesbania, hemp
- shepherd's-purse
- smartweed, ladysthumb
- smartweed, pale
- smartweed, pennsylvania
- sowthistle
- sowthistle, annual
- needles, spanish
- speedwell, persian
- speedwell, purslane
- sunflower, annual
- swinecress
- tasselflower, red
- velvetleaf
- verbena
- vetch
- violet, wild
- waterhemp, common
- willowherb, panicle
- windmillgrass
- mallow, venice
- sida, prickly
- thistle, canada
Partial control
partial5- buckwheat, wild
- knotweed, prostrate
- pokeweed, common
- pusley, common
- vetch, purple
Suppression
suppression4- bentgrass
- bluegrass, annual
- fluevellin, sharppoint
- toadrush
MesoTryOne 4L 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.
MesoTryOne 4L FAQ
What weeds does MesoTryOne 4L control?
The MesoTryOne 4L label names 112 weeds, including palmer amaranth, powell amaranth, spiny amaranth, atriplex, common barnyardgrass, and creeping bentgrass. Control varies by crop, rate, and timing.
What crops is MesoTryOne 4L labeled for?
MesoTryOne 4L is labeled for 10 crops and uses, including field corn, sorghum, seed corn, sweet corn, and popcorn.
What is the active ingredient in MesoTryOne 4L? Is it a generic?
MesoTryOne 4L's active ingredient is mesotrione (MOA Group 27). 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.