Herbicide label
Callisto Xtra Herbicide Label
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.
“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 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.
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
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.
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 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.
Sources
Last updated 2026-09-30.