Herbicide label
STAM M4 Herbicide Label
STAM M4 (EPA 70506-374) is a Group 5 propanil herbicide labeled for 1 crops. The label lists 22 controlled weeds, plus partial-control, suppression, and partner-control categories.
STAM M4 label facts
- Product STAM M4
- EPA Reg. No. 70506-374
- Registrant UPL NA, Inc.
- Active ingredient propanil
- MOA group 5
Crops on the STAM M4 label
STAM M4 is labeled for these 1 crops and uses, per the EPA label.
Weeds on the STAM M4 label
The STAM M4 label names 22 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 control22- sedge, annual
- barnyardgrass, common
- beakrush
- signalgrass, broadleaf
- crabgrass
- dock, curly
- foxtail
- goosegrass
- cockspur, gulf
- sesbania, hemp
- hoorahgrass
- junglerice
- Mexicanweed
- paragrass
- pigweed, redroot
- redweed
- flatsedge, rice
- smallflower umbrella plant
- spikerush
- panicum, texas
- watergrass
- croton, woolly
STAM M4 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.
STAM M4 FAQ
What weeds does STAM M4 control?
The STAM M4 label names 22 weeds, including annual sedge, common barnyardgrass, beakrush, broadleaf signalgrass, crabgrass, and curly dock. Control varies by crop, rate, and timing.
What crops is STAM M4 labeled for?
STAM M4 is labeled for 1 crops and uses, including rice.
What is the active ingredient in STAM M4? Is it a generic?
STAM M4's active ingredient is propanil (MOA Group 5). 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.