Herbicide label

Callisto

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.

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Official EPA label (PDF)

“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 EPA label, Reg. No. 100-1131

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.

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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
mannagrass
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
spanishneedles
sunflower, annual
swinecress
tasselflower, red
velvetleaf
vetch
waterhemp, common
willowherb, panicle

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

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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.

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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.

What's the plant-back interval after Callisto?

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.

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Can I tank-mix Callisto?

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.