Herbicide label
Callisto Herbicide Label
Callisto (EPA 100-1131) is a Group 27 mesotrione herbicide labeled for 11 crops. The label lists 64 controlled weeds, plus partial-control, suppression, and partner-control categories.
“Callisto Herbicide is a systemic preemergence and postemergence herbicide for the selective contact and residual control of broadleaf weeds in field corn, seed corn, yellow popcorn, sweet corn, and other listed crops.”
Callisto label facts
- Product Callisto
- EPA Reg. No. 100-1131
- Registrant Syngenta Crop Protection, LLC
- Active ingredient mesotrione
- MOA group 27
Crops on the Callisto label
Callisto is labeled for these 11 crops and uses, per the EPA label.
Weeds on the Callisto label
The Callisto label names 81 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 control64- amaranth, palmer
- amaranth, powell
- amaranth, spiny
- atriplex
- buffalobur
- burclover, california
- carpetweed
- carrot, wild
- chickweed, common
- chickweed, mouseear
- cocklebur, common
- crabgrass, large
- dandelion
- deadnettle, purple
- dock, curly
- eveningprimrose, cutleaf
- fiddleneck
- fleabane, hairy
- galinsoga
- carolina geranium
- groundcherry, smooth
- groundsel, common
- hemp
- henbit
- horseweed
- jimsonweed
- lambsquarters, common
- prickly lettuce
- mallow, common
- mayweed, chamomile
- mustard, wild
- nettle, burning
- nightshade, black
- nightshade, eastern black
- nightshade, hairy
- pansy
- pigweed, redroot
- pigweed, smooth
- pigweed, tumble
- pineapple-weed
- potato, volunteer
- puncturevine, common
- purslane, common
- pusley, florida
- ragweed, common
- ragweed, giant
- redmaids
- rocket, london
- sesbania, hemp
- shepherd's-purse
- signalgrass, broadleaf
- smartweed, ladysthumb
- smartweed, pale
- smartweed, pennsylvania
- sowthistle, annual
- needles, spanish
- sunflower, annual
- swinecress
- tasselflower, red
- velvetleaf
- vetch
- waterhemp, common
- willowherb, panicle
- mannagrass
Partial control
partial14- buckwheat, wild
- burcucumber
- filaree, redstem
- filaree, whitestem
- horsenettle
- knotweed, prostrate
- kochia
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, pitted
- nutsedge, yellow
- pokeweed, common
- pusley, common
- vetch, purple
Controls with a tank-mix partner
needs partner3- mallow, venice
- sida, prickly
- thistle, canada
Callisto 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.
Callisto FAQ
What weeds does Callisto control?
The Callisto label names 81 weeds, including palmer amaranth, powell amaranth, spiny amaranth, atriplex, buffalobur, and california burclover. Control varies by crop, rate, and timing.
What crops is Callisto labeled for?
Callisto is labeled for 11 crops and uses, including field corn, sorghum, seed corn, popcorn, and sweet corn.
What is the active ingredient in Callisto? Is it a generic?
Callisto'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.