Herbicide label
Maestro MA Herbicide Label
Maestro MA (EPA 71368-28) is a Group 4 and 6 bromoxynil and mcpa herbicide labeled for 9 crops. The label lists 52 controlled weeds, plus partial-control, suppression, and partner-control categories.
“This product is a selective postemergence herbicide for control of important broadleaf weeds infesting small grains (wheat, barley, oats, rye), conservation reserve program areas, and grass grown for seed.”
Maestro MA label facts
- Product Maestro MA
- EPA Reg. No. 71368-28
- Registrant Nufarm, Inc.
- Active ingredient bromoxynil and mcpa
- MOA group 4 and 6
Crops on the Maestro MA label
Maestro MA is labeled for these 9 crops and uses, per the EPA label.
Weeds on the Maestro MA label
The Maestro MA label names 58 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 control52- buckwheat, tartary
- buckwheat, wild
- cockle, cow
- jimsonweed
- knotweed, prostrate
- ladysthumb
- lambsquarters, common
- marshelder
- mustard, blue
- mustard, tansy
- mustard, tumble
- nightshade, black
- nightshade, eastern black
- nightshade, hairy
- nightshade, silverleaf
- pennycress, field
- pepperweed
- pigweed, redroot
- pigweed, smooth
- pigweed, spiny
- puncturevine
- ragweed, common
- ragweed, giant
- sage, lanceleaf
- sowthistle, annual
- waterhemp, common
- chamomile, corn
- cocklebur, common
- fiddleneck
- fumitory
- gromwell, corn
- groundsel, common
- henbit
- knawel
- kochia
- mayweed
- morningglory, ivyleaf
- morningglory, tall
- mustard, black
- nightshade, cutleaf
- poppy, horned
- radish, wild
- rocket, london
- sesbania, hemp
- shepherd's-purse
- smartweed, green
- smartweed, pennsylvania
- sunflower
- tarweed
- tarweed, common
- thistle, russian
- velvetleaf
Suppression
suppression3- mustard, wild
- rocket, yellow
- thistle, canada
Controls with a tank-mix partner
needs partner3- chickweed
- filaree, broadleaf
- wild oats
Maestro MA 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.
Maestro MA FAQ
What weeds does Maestro MA control?
The Maestro MA label names 58 weeds, including tartary buckwheat, wild buckwheat, cow cockle, jimsonweed, prostrate knotweed, and ladysthumb. Control varies by crop, rate, and timing.
What crops is Maestro MA labeled for?
Maestro MA is labeled for 9 crops and uses, including wheat, barley, spring wheat, winter wheat, and oats.
What is the active ingredient in Maestro MA? Is it a generic?
Maestro MA'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.