Herbicide label

Callisto Xtra

Callisto Xtra (EPA 100-1359) is a Group 5 and 27 atrazine and mesotrione herbicide labeled for 7 crops. The label lists 46 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

“Callisto Xtra is a selective preemergence and postemergence herbicide for control of broadleaf weeds and certain grasses in fi eld corn, seed corn, yellow popcorn, sweet corn, grain sorghum and sugarcane.”

— Callisto Xtra EPA label, Reg. No. 100-1359

Callisto Xtra label facts

Product Callisto Xtra
EPA Reg. No. 100-1359
Registrant Syngenta Crop Protection, LLC
Active ingredient atrazine and mesotrione
MOA group 5 and 27

Crops on the Callisto Xtra label

Callisto Xtra is labeled for these 7 crops and uses, per the EPA label.

field corn
sorghum
seed corn
sweet corn
popcorn
sugarcane
fallow

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Weeds on the Callisto Xtra label

The Callisto Xtra label names 53 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 control46

amaranth, palmer
amaranth, powell
amaranth, spiny
atriplex prostrata
buffalobur
burcucumber
carpetweed
carrot, wild
chickweed, common
chickweed, mouseear
cocklebur, common
crabgrass, large
deadnettle, purple
galinsoga, smallflower
hemp
henbit
horsenettle
horseweed
jimsonweed
kochia
lambsquarters, common
mallow, venice
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
shepherd's-purse
sida, prickly
signalgrass, broadleaf
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

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Callisto Xtra 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.

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Plant-back and rotation

Your interval depends on your application rate and the rotational crop.

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Callisto Xtra FAQ

What weeds does Callisto Xtra control?

The Callisto Xtra label names 53 weeds, including palmer amaranth, powell amaranth, spiny amaranth, atriplex prostrata, buffalobur, and burcucumber. Control varies by crop, rate, and timing.

What crops is Callisto Xtra labeled for?

Callisto Xtra is labeled for 7 crops and uses, including field corn, sorghum, seed corn, sweet corn, and popcorn.

What is the active ingredient in Callisto Xtra? Is it a generic?

Callisto Xtra's active ingredient is atrazine and mesotrione (MOA Group 5 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 Callisto Xtra?

It depends on your rotational crop, application rate, and region, so the label gives a table, not one number. Build a program and FieldMarshal cites the exact interval for your rotation to the label line, so you can verify it.

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Can I tank-mix Callisto Xtra?

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 cites the condition on each, so you can verify it.