Herbicide label
Meso Star Herbicide Label
Meso Star (EPA 83529-51) is a Group 27 mesotrione herbicide labeled for 11 crops. The label lists 43 controlled weeds, plus partial-control, suppression, and partner-control categories.
Meso Star label facts
- Product Meso Star
- EPA Reg. No. 83529-51
- Registrant Sharda USA LLC
- Active ingredient mesotrione
- MOA group 27
Crops on the Meso Star label
Meso Star is labeled for these 11 crops and uses, per the EPA label.
Weeds on the Meso Star label
The Meso Star label names 50 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 control43- amaranth, palmer
- amaranth, powell
- amaranth, spiny
- atriplex
- signalgrass, broadleaf
- buffalobur
- burcucumber
- carpetweed
- carrot, wild
- chickweed, common
- cocklebur, common
- crabgrass, large
- galinsoga
- hemp
- horsenettle
- horseweed
- jimsonweed
- kochia
- lambsquarters, common
- mallow, venice
- mannagrass
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, pitted
- mustard, wild
- nightshade, black
- nightshade, eastern black
- nightshade, hairy
- pigweed, redroot
- pigweed, smooth
- pigweed, tumble
- potatoes, volunteer
- pusley, florida
- ragweed, common
- ragweed, giant
- sesbania, hemp
- sida, prickly
- smartweed, ladysthumb
- smartweed, pale
- smartweed, pennsylvania
- sunflower, annual
- velvetleaf
- waterhemp, common
Partial control
partial7- buckwheat, wild
- dandelion
- dock, curly
- knotweed, prostrate
- nutsedge, yellow
- pokeweed, common
- thistle, canada
Meso Star 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.
Meso Star FAQ
What weeds does Meso Star control?
The Meso Star label names 50 weeds, including palmer amaranth, powell amaranth, spiny amaranth, atriplex, broadleaf signalgrass, and buffalobur. Control varies by crop, rate, and timing.
What crops is Meso Star labeled for?
Meso Star is labeled for 11 crops and uses, including field corn, soybeans, sorghum, seed corn, and popcorn.
What is the active ingredient in Meso Star? Is it a generic?
Meso Star'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.