Herbicide label
FirstRate Herbicide Label
FirstRate (EPA 5481-676) is a Group 2 cloransulam-methyl herbicide labeled for 1 crops. The label lists 18 controlled weeds, plus partial-control, suppression, and partner-control categories.
FirstRate label facts
- Product FirstRate
- EPA Reg. No. 5481-676
- Registrant Amvac Chemical Corporation
- Active ingredient cloransulam-methyl
- MOA group 2
Crops on the FirstRate label
FirstRate is labeled for these 1 crops and uses, per the EPA label.
Weeds on the FirstRate label
The FirstRate label names 25 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 control18- cocklebur, common
- dayflower
- dayflower, marsh
- dayflower, spreading
- horseweed
- jimsonweed
- lambsquarters, common
- mallow, venice
- marshelder
- morning glory, annual
- mustard, wild
- pigweed
- ragweed, common
- ragweed, giant
- sicklepod
- smartweed, pennsylvania
- sunflower, annual
- velvetleaf
Partial control
partial2- amaranth, palmer
- waterhemp, common
Suppression
suppression5- burcucumber
- copperleaf, hophornbeam
- grasses, annual
- nutsedge, yellow
- thistle, canada
Controls with a tank-mix partner
needs partner2- amaranth, palmer
- waterhemp, common
FirstRate 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.
FirstRate FAQ
What weeds does FirstRate control?
The FirstRate label names 25 weeds, including common cocklebur, dayflower, marsh dayflower, spreading dayflower, horseweed, and jimsonweed. Control varies by crop, rate, and timing.
What crops is FirstRate labeled for?
FirstRate is labeled for 1 crops and uses, including soybeans.
What is the active ingredient in FirstRate? Is it a generic?
FirstRate's active ingredient is cloransulam-methyl (MOA Group 2). 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.