Herbicide label
Supremacy Herbicide Label
Supremacy (EPA 66330-406) is a Group 2 and 4 fluroxypyr 1-methylheptyl ester, thifensulfuron, and tribenuron-methyl herbicide labeled for 5 crops. The label lists 69 controlled weeds, plus partial-control, suppression, and partner-control categories.
Supremacy label facts
- Product Supremacy
- EPA Reg. No. 66330-406
- Registrant Arysta Lifescience North America LLC
- Active ingredient fluroxypyr 1-methylheptyl ester, thifensulfuron, and tribenuron-methyl
- MOA group 2 and 4
Crops on the Supremacy label
Supremacy is labeled for these 5 crops and uses, per the EPA label.
Weeds on the Supremacy label
The Supremacy label names 88 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 control69- knawel, annual
- sowthistle, annual
- mustard, black
- wallflower, bushy
- mustard, treacle
- dock, broadleaf
- buttercup, bur
- carolina geranium
- bedstraw, catchweed
- fiddleneck
- coffee weed
- cocklebur, common
- groundsel, common
- lambsquarters, common
- purslane, common
- sunflower, annual
- tarweed, common
- chamomile, corn
- spurry, corn
- cockle, cow
- cress, mouse ear
- dock, curly
- chamomile, false
- filaree, texas redstem
- flixweed
- grape species
- smartweed, green
- dogbane, hemp
- henbit
- jimsonweed
- knotweed
- ladysthumb
- sage, lanceleaf
- rocket, london
- mallow, little
- mallow, venice
- marshelder
- miner's lettuce
- chickweed, mouseear
- lambsquarters, narrowleaf
- catchfly, nightflowering
- nightshade, black
- smartweed, pennsylvania
- pepperweed
- pineapple-weed
- knotweed, prostrate
- pigweed, prostrate
- puncturevine
- redmaids
- pigweed, redroot
- chamomile, scentless
- mayweed
- shepherd's-purse
- lambsquarters, slimleaf
- buttercup, smallflower
- falseflax, smallseed
- swinecress
- tansymustard
- fiddleneck, tarweed
- mustard, tumble
- mustard, jim hill
- velvetleaf
- volunteer canola
- lentil, volunteer
- pea, volunteer
- buckwheat, wild
- chamomile, wild
- mustard, wild
- radish, wild
Partial control
partial12- thistle, canada
- ragweed, common
- ragweed, giant
- kochia
- mallow, common
- prickly lettuce
- thistle, russian
- mayweed, stinking
- dogfennel
- volunteer flax
- sunflower
- garlic, wild
Suppression
suppression7- chickweed, common
- devilsclaw
- bindweed, field
- horsetail, field
- horseweed
- bindweed, hedge
- morning glory
Supremacy 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.
Supremacy FAQ
What weeds does Supremacy control?
The Supremacy label names 88 weeds, including annual knawel, annual sowthistle, black mustard, bushy wallflower, treacle mustard, and broadleaf dock. Control varies by crop, rate, and timing.
What crops is Supremacy labeled for?
Supremacy is labeled for 5 crops and uses, including wheat, barley, durum wheat, oats, and triticale.
What is the active ingredient in Supremacy? Is it a generic?
Supremacy's active ingredient is fluroxypyr 1-methylheptyl ester, thifensulfuron, and tribenuron-methyl (MOA Group 2 and 4). 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.