Herbicide label
MesoCore
MesoCore (EPA 42750-342) is a Group 4 and 27 clopyralid and mesotrione herbicide labeled for 4 crops. The label lists 0 controlled weeds, plus partial-control, suppression, and partner-control categories.
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MesoCore label facts
- Product MesoCore
- EPA Reg. No. 42750-342
- Registrant Albaugh, LLC
- Active ingredient clopyralid and mesotrione
- MOA group 4 and 27
Crops on the MesoCore label
MesoCore is labeled for these 4 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 MesoCore label
The MesoCore label names 96 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 with a tank-mix partner
needs partner96- barnyardgrass, common
- crabgrass
- crowfootgrass
- cupgrass, prairie
- cupgrass, southwestern
- cupgrass, woolly
- foxtail, bristly
- foxtail, giant
- foxtail, yellow
- foxtail, yellow, white, robust purple
- goosegrass
- johnsongrass, seedling
- foxtail, millet
- millet, wild-proso
- nutsedge, yellow
- wild oats
- panicum, browntop
- panicum, fall
- panicum, texas
- red rice
- sandbur, field
- shattercane
- signalgrass, broadleaf
- signalgrass, narrowleaf
- sprangletop, red
- stinkgrass
- volunteer wheat
- witchgrass
- crabgrass, large
- alfalfa, volunteer seedling
- amaranth, palmer
- amaranth, powell
- amaranth, spiny
- atriplex
- bean, volunteer
- bedstraw, catchweed
- beggarweed, florida
- buckwheat, wild
- buffalobur
- burcucumber
- carpetweed
- carrot, wild
- chickweed, common
- clover, red
- clover species
- cocklebur, common
- dandelion, common
- deadnettle, purple
- devil's-claw
- dock, curly
- galinsoga
- groundcherry, annual
- groundcherry, cutleaf
- hemp
- henbit
- horsenettle
- horseweed
- jimsonweed
- knotweed, prostrate
- kochia
- lambsquarters, common
- lentil, volunteer
- mallow, venice
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, pitted
- morningglory, tall
- mustard, wild
- nightshade, black
- nightshade, eastern black
- nightshade, hairy
- pea, volunteer
- pigweed, redroot
- pigweed, smooth
- pigweed, tumble
- pokeweed, common
- potato, volunteer
- prickly lettuce
- puncturevine
- purslane, common
- pusley, florida
- radish, wild
- ragweed, common
- ragweed, giant
- sesbania, hemp
- shepherd's-purse
- sicklepod
- sida, prickly
- smartweed, ladysthumb
- smartweed, pennsylvania
- volunteer soybean
- sunflower, annual
- thistle, canada
- velvetleaf
- waterhemp, common
- wormwood, biennial
Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.
MesoCore 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 and your soil texture.
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.
MesoCore FAQ
What weeds does MesoCore control?
The MesoCore label names 96 weeds. Control varies by crop, rate, and timing.
What crops is MesoCore labeled for?
MesoCore is labeled for 4 crops and uses, including field corn, seed corn, corn silage, and popcorn.
What is the active ingredient in MesoCore? Is it a generic?
MesoCore's active ingredient is clopyralid and mesotrione (MOA Group 4 and 27). 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 MesoCore?
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 MesoCore?
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.
Build a program →Plan in minutes, not hours.
Start with MesoCore and let FieldMarshal build a defensible herbicide program for your field, every product, rate, and plant-back cross-referenced and checked against the label.
Free account and label filter. Building a program is paid, metered by use, so you pay only for what you build.
Sources
Last updated 2026-07-14.