Herbicide label
Katagon Herbicide Label
Katagon (EPA 71512-44-74530) is a Group 2 and 27 nicosulfuron and tolpyralate herbicide labeled for 2 crops. The label lists 7 controlled weeds, plus partial-control, suppression, and partner-control categories.
“Katagon is quickly absorbed by foliage and actively growing plant tissue, rapidly inhibiting the growth of susceptible weeds.”
Katagon label facts
- Product Katagon
- EPA Reg. No. 71512-44-74530
- Distributor Helm Agro US, Inc.
- Active ingredient nicosulfuron and tolpyralate
- MOA group 2 and 27
Crops on the Katagon label
Katagon is labeled for these 2 crops and uses, per the EPA label.
Weeds on the Katagon label
The Katagon label names 16 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 control7- amaranth, palmer
- crabgrass, large
- foxtail, green
- lambsquarters, common
- grain sorghum
- velvetleaf
- waterhemp, common
Suppression
suppression9- barnyardgrass, common
- foxtail, giant
- foxtail, yellow
- mallow, venice
- morningglory, ivyleaf
- panicum, fall
- pigweed, redroot
- ragweed, common
- ragweed, giant
Controls with a tank-mix partner
needs partner7- barnyardgrass, common
- foxtail, yellow
- mallow, venice
- morningglory, ivyleaf
- pigweed, redroot
- ragweed, common
- ragweed, giant
Katagon 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.
Katagon FAQ
What weeds does Katagon control?
The Katagon label names 16 weeds, including palmer amaranth, large crabgrass, green foxtail, common lambsquarters, grain sorghum, and velvetleaf. Control varies by crop, rate, and timing.
What crops is Katagon labeled for?
Katagon is labeled for 2 crops and uses, including field corn and seed corn.
What is the active ingredient in Katagon? Is it a generic?
Katagon's active ingredient is nicosulfuron and tolpyralate (MOA Group 2 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.