Herbicide label

Regiment Herbicide Label

Regiment (EPA 59639-105) is a Group 2 bispyribac herbicide labeled for 1 crops. The label lists 14 controlled weeds, plus partial-control, suppression, and partner-control categories.

“Regiment Herbicide is a contact herbicide and does not have any systemic activity and thus, thorough coverage is essential for acceptable weed control.”

— Regiment EPA label, Reg. No. 59639-105

Regiment label facts

Crops on the Regiment label

Regiment is labeled for these 1 crops and uses, per the EPA label.

Weeds on the Regiment label

The Regiment label names 24 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 control14
  • barnyardgrass, common
  • junglerice
  • baronet grass
  • bayonet grass
  • flatsedge, rice
  • dayflower
  • ducksalad
  • gooseweed
  • sesbania, hemp
  • johnsongrass
  • jointvetch, indian
  • jointvetch, northern
  • smartweed, pennsylvania
  • waterhyssop

Suppression

suppression10
  • barnyardgrass, perennial
  • alligatorweed
  • eclipta
  • knotgrass
  • morningglory, entireleaf
  • morningglory, pitted
  • pigweed
  • ammannia, purple
  • texasweed
  • mexicanweed

Regiment 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.

Regiment FAQ

What weeds does Regiment control?

The Regiment label names 24 weeds, including common barnyardgrass, junglerice, baronet grass, bayonet grass, rice flatsedge, and dayflower. Control varies by crop, rate, and timing.

What crops is Regiment labeled for?

Regiment is labeled for 1 crops and uses, including rice.

What is the active ingredient in Regiment? Is it a generic?

Regiment's active ingredient is bispyribac (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.