Herbicide label
Mazequin Herbicide Label
Mazequin (EPA 83529-83) is a Group 2 and 4 imazethapyr and quinclorac herbicide labeled for 1 crops. The label lists 20 controlled weeds, plus partial-control, suppression, and partner-control categories.
“Mazequin kills weeds by root and/or foliage uptake and rapid translocation to the growing points.”
Mazequin label facts
- Product Mazequin
- EPA Reg. No. 83529-83
- Registrant Sharda USA LLC
- Active ingredient imazethapyr and quinclorac
- MOA group 2 and 4
Crops on the Mazequin label
Mazequin is labeled for these 1 crops and uses, per the EPA label.
Weeds on the Mazequin label
The Mazequin label names 30 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 control20- barnyardgrass, common
- barnyardgrass, propanil-resistant
- crabgrass, large
- johnsongrass, seedling
- junglerice
- shattercane
- signalgrass, broadleaf
- eclipta
- sesbania, hemp
- jointvetches
- morningglory, cypressvine
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, palmleaf
- morningglory, pitted
- morningglory, purple
- morningglory, tall
- smartweed
- nutsedge spp.
- flatsedge, rice
Suppression
suppression8- alligatorweed
- mexicanweed
- texasweed
- dayflower, spreading
- ammannia, purple
- water plantain
- arrowhead, common
- ducksalad
Controls with a tank-mix partner
needs partner2- red rice
- sprangletop
Mazequin 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.
Mazequin FAQ
What weeds does Mazequin control?
The Mazequin label names 30 weeds, including common barnyardgrass, propanil-resistant barnyardgrass, large crabgrass, seedling johnsongrass, junglerice, and shattercane. Control varies by crop, rate, and timing.
What crops is Mazequin labeled for?
Mazequin is labeled for 1 crops and uses, including rice.
What is the active ingredient in Mazequin? Is it a generic?
Mazequin's active ingredient is imazethapyr and quinclorac (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 2026-09-17.