Herbicide label

MCPA Amine 4

MCPA Amine 4 (EPA 42750-14) is a Group 4 mcpa herbicide labeled for 9 crops. The label lists 15 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

MCPA Amine 4 label facts

Crops on the MCPA Amine 4 label

MCPA Amine 4 is labeled for these 9 crops and uses, per the EPA label.

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Weeds on the MCPA Amine 4 label

The MCPA Amine 4 label names 31 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 control15
  • cocklebur, common
  • dragonhead mint
  • fanweed
  • goatsbeard
  • marshelder
  • mustard, annual
  • pennycress, field
  • peppergrass, field
  • puncturevine
  • radish, wild
  • ragweed, giant
  • rocket, yellow
  • stinkweed
  • thistle, canada
  • wintercress

Partial control

partial16
  • buttercup
  • hoary cress
  • dandelion
  • hempnettle
  • kochia
  • lambsquarters
  • stinging nettle
  • pigweed
  • pigweed, russian
  • plantain
  • purslane
  • shepherd's-purse
  • sowthistle
  • sunflower
  • vetch
  • whitetop

Weed indexes featuring this label

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MCPA Amine 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.

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MCPA Amine 4 FAQ

What weeds does MCPA Amine 4 control?

The MCPA Amine 4 label names 31 weeds, including common cocklebur, dragonhead mint, fanweed, goatsbeard, marshelder, and annual mustard. Control varies by crop, rate, and timing.

What crops is MCPA Amine 4 labeled for?

MCPA Amine 4 is labeled for 9 crops and uses, including wheat, barley, durum wheat, oats, and cereal rye.

What is the active ingredient in MCPA Amine 4? Is it a generic?

MCPA Amine 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.

Can I tank-mix MCPA Amine 4?

It depends on your target weeds, crop stage, and which partners the label approves. Build a program and FieldMarshal checks the label for approved partners and gives the condition on each, so you can verify it.

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Sources

Last updated 2026-07-14.