Callisto Xtra

Syngenta · 1Atrazine with a maximum of 1.4% · EPA Reg 100-1359 · Herbicide Document last checked 2026-05-30

According to the label From the product label

These details were extracted from this product's label PDF. The label is the law. Confirm every rate, site, restriction and safety requirement against the label before mixing or applying. Check for a state supplemental label; a product may be restricted or prohibited in a state or site even when a rate appears below. · EPA registration data for Reg. 100-1359 →

Callisto Xtra is a selective preemergence and postemergence herbicide containing Atrazine (Group 5) and Mesotrione (Group 27). It is used to control broadleaf and certain grasses in field corn, seed corn, sweet corn, yellow popcorn, grain sorghum, and sugarcane.

Pests covered (1)

broadleaf and certain grasses

Areas treatable (1)

Field corn, Seed corn, Sweet corn, Yellow Popcorn, Grain Sorghum, and Sugarcane

Application instructions from the label 1

Field corn, Seed corn, Sweet corn, Yellow Popcorn, Grain Sorghum, and Sugarcane

Systemic; absorbed through the foliage of emerged weeds and by soil uptake.

Target pest: broadleaf and certain grasses
Location: Outdoor

Worker safety

Re-entry interval (REI) 12 hours

PPE required Mixers, loaders, applicators, flaggers, and other handlers must wear long-sleeved shirt and long pants, chemical-resistant gloves made of barrier laminate, nitrile rubber ≥14 mil, neoprene rubber ≥14 mil, or Viton® ≥14 mil, and shoes/boots.

Timing & weather

Avoid applying when weather conditions favor drift from treated areas
Reduce runoff of this product by avoiding applications when rainfall or irrigation is expected to occur within 48 hours

Use restrictions 5

Do not apply to areas where surface water is present or to intertidal areas below the mean high water mark
Do not apply when weather conditions favor drift from treated areas
Do not contaminate groundwater
Do not use near heat or open flame
Do not apply this product in a manner that results in an unauthorized 'take' of endangered species

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