Herbicide label
Regiment
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.
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“Regiment Herbicide is a contact herbicide and does not have any systemic activity and thus, thorough coverage is essential for acceptable weed control.”
Regiment label facts
- Product Regiment
- EPA Reg. No. 59639-105
- Registrant Valent U. S. A. LLC
- Active ingredient bispyribac
- MOA group 2
Crops on the Regiment label
Regiment is labeled for these 1 crops and uses, per the EPA label.
Need the rate or timing for one of these? Filter every label by your crop, free.
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
suppression13- barnyardgrass, common
- junglerice
- barnyardgrass, perennial
- alligatorweed
- eclipta
- knotgrass
- morningglory, entireleaf
- morningglory, pitted
- pigweed
- ammannia, purple
- smartweed, pennsylvania
- texasweed
- mexicanweed
Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.
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.
Can I tank-mix Regiment?
It depends on your target weeds, crop stage, and which partners the label approves. Build a program and FieldMarshal checks the label for approved partners and gives the condition on each, so you can verify it.
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Sources
Last updated 2026-07-14.