Herbicide label
Prize Herbicide Label
Prize (EPA 83529-94) is a Group 4 quinclorac herbicide labeled for 6 crops. The label lists 24 controlled weeds, plus partial-control, suppression, and partner-control categories.
“Prize is a systemic herbicide with plant uptake occurring through both the foliage and roots. Resultant herbicide symptoms on susceptible plants include twisting, stunting, reddening and chlorosis.”
Prize label facts
- Product Prize
- EPA Reg. No. 83529-94
- Registrant Sharda USA LLC
- Active ingredient quinclorac
- MOA group 4
Crops on the Prize label
Prize is labeled for these 6 crops and uses, per the EPA label.
Weeds on the Prize label
The Prize label names 42 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 control24- barnyardgrass, common
- crabgrass, large
- morningglory, cypressvine
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, palmleaf
- morningglory, pitted
- morningglory, tall
- morningglory
- morningglory, purple
- signalgrass, broadleaf
- bedstraw, catchweed
- bindweed, field
- bindweed, hedge
- clover species
- volunteer flax
- foxtail, giant
- foxtail, green
- foxtail, yellow
- prickly lettuce
- eclipta
- jointvetch
- junglerice
- sesbania, hemp
Partial control
partial1- alligatorweed
Suppression
suppression10- dandelion
- kochia
- lambsquarters, common
- ragweed, common
- ragweed, giant
- sowthistle, perennial
- sunflower, wild
- thistle, canada
- thistle, russian
- velvetleaf
Controls with a tank-mix partner
needs partner7- cocklebur, common
- dayflower
- nutsedge, yellow
- sprangletop
- broadleaf weeds, heavy infestations
- weeds and grasses not controlled by Prize
- suppressed weeds
Prize 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.
Prize FAQ
What weeds does Prize control?
The Prize label names 42 weeds, including common barnyardgrass, large crabgrass, cypressvine morningglory, entireleaf morningglory, ivyleaf morningglory, and palmleaf morningglory. Control varies by crop, rate, and timing.
What crops is Prize labeled for?
Prize is labeled for 6 crops and uses, including wheat, sorghum, rice, fallow, and grass seed.
What is the active ingredient in Prize? Is it a generic?
Prize's active ingredient is quinclorac (MOA Group 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.