Herbicide label
MCPA Ester 4 Herbicide Label
MCPA Ester 4 (EPA 42750-23) is a Group 4 mcpa herbicide labeled for 6 crops. The label lists 17 controlled weeds, plus partial-control, suppression, and partner-control categories.
MCPA Ester 4 label facts
- Product MCPA Ester 4
- EPA Reg. No. 42750-23
- Registrant Albaugh, LLC
- Active ingredient mcpa
- MOA group 4
Crops on the MCPA Ester 4 label
MCPA Ester 4 is labeled for these 6 crops and uses, per the EPA label.
Weeds on the MCPA Ester 4 label
The MCPA Ester 4 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 control17- beggarticks
- cocklebur, common
- dragonhead mint
- goatsbeard
- hempnettle
- lambsquarters
- marshelder
- mustards, annual
- peppergrass, field
- poison hemlock
- puncturevine
- radish, wild
- ragweed, giant
- shepherd's-purse
- sowthistle, annual
- stinkweed
- rocket, yellow
Partial control
partial13- buttercup
- chervil
- dandelions
- kochia
- miner's lettuce
- pigweed, russian
- plantain
- purslane
- stinging nettle
- sunflower
- thistle, canada
- vetch
- whitetop
MCPA Ester 4 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.
MCPA Ester 4 FAQ
What weeds does MCPA Ester 4 control?
The MCPA Ester 4 label names 30 weeds, including beggarticks, common cocklebur, dragonhead mint, goatsbeard, hempnettle, and lambsquarters. Control varies by crop, rate, and timing.
What crops is MCPA Ester 4 labeled for?
MCPA Ester 4 is labeled for 6 crops and uses, including wheat, barley, durum wheat, oats, and cereal rye.
What is the active ingredient in MCPA Ester 4? Is it a generic?
MCPA Ester 4's active ingredient is mcpa (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 2026-09-17.