Herbicide label
Bison Herbicide Label
Bison (EPA 9779-347) is a Group 4 and 6 bromoxynil and mcpa herbicide labeled for 8 crops. The label lists 55 controlled weeds, plus partial-control, suppression, and partner-control categories.
Bison label facts
- Product Bison
- EPA Reg. No. 9779-347
- Registrant WinField Solutions, LLC
- Active ingredient bromoxynil and mcpa
- MOA group 4 and 6
Crops on the Bison label
Bison is labeled for these 8 crops and uses, per the EPA label.
Weeds on the Bison label
The Bison label names 59 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 control55- sowthistle, annual
- mustard, black
- nightshade, black
- cocklebur, common
- lambsquarters, common
- tarweed, common
- cockle, cow
- nightshade, cutleaf
- nightshade, eastern black
- fiddleneck
- pennycress, field
- smartweed, green
- nightshade, hairy
- poppy, horned
- jimsonweed
- ladysthumb
- sage, lanceleaf
- rocket, london
- marshelder
- smartweed, pennsylvania
- pepperweed
- pigweed, redroot
- thistle, russian
- shepherd's-purse
- nightshade, silverleaf
- pigweed, smooth
- pigweed, spiny
- sunflower, annual
- waterhemp, common
- buckwheat, tartary
- mustard, tumble
- buckwheat, wild
- mustard, wild
- rocket, yellow
- mustard, blue
- groundsel, common
- ragweed, common
- chamomile, corn
- gromwell, corn
- fumitory
- ragweed, giant
- sesbania, hemp
- henbit
- morningglory, ivyleaf
- knawel
- kochia
- mayweed
- knotweed, prostrate
- puncturevine
- morningglory, tall
- mustard, tansy
- tarweed
- velvetleaf
- volunteer canola
- radish, wild
Suppression
suppression1- thistle, canada
Controls with a tank-mix partner
needs partner3- chickweed
- filaree, broadleaf
- wild oats
Bison 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.
Bison FAQ
What weeds does Bison control?
The Bison label names 59 weeds, including annual sowthistle, black mustard, black nightshade, common cocklebur, common lambsquarters, and common tarweed. Control varies by crop, rate, and timing.
What crops is Bison labeled for?
Bison is labeled for 8 crops and uses, including wheat, barley, spring wheat, winter wheat, and oats.
What is the active ingredient in Bison? Is it a generic?
Bison's active ingredient is bromoxynil and mcpa (MOA Group 4 and 6). 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.