Herbicide label

MCP Amine 4

MCP Amine 4 (EPA 34704-130) is a Group 4 mcpa herbicide labeled for 12 crops. The label lists 42 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

“This product is an amine salt formulation of MCP (2-Methyl-4-chlorophenoxyacetic acid), a selective herbicide similar to 2,4-D.”

— MCP Amine 4 EPA label, Reg. No. 34704-130

MCP Amine 4 label facts

Crops on the MCP Amine 4 label

MCP Amine 4 is labeled for these 12 crops and uses, per the EPA label.

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Weeds on the MCP Amine 4 label

The MCP Amine 4 label names 43 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 control42
  • barberry
  • beggartick
  • buckhorn
  • bulrushes
  • burcucumber
  • burdock
  • buttercup
  • carpetweed
  • catsear
  • chickweed
  • cocklebur, common
  • croton
  • daisy
  • dock
  • fanweed
  • galinsoga
  • goatsbeard
  • hempnettle
  • henbit
  • indigo
  • jimsonweed
  • lambsquarter
  • marsh elder
  • mustards
  • pennycress, field
  • pepperweed
  • pigweed
  • plantain
  • prickly lettuce
  • ragweed, giant
  • red stem
  • sedge
  • shepherd's-purse
  • sicklepod
  • stinkweed
  • sunflower
  • tie vine
  • water plantain
  • whitetop
  • carrot, wild
  • radish, wild
  • rocket, yellow

Partial control

partial1
  • weeds, less susceptible

Weed indexes featuring this label

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MCP 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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MCP Amine 4 FAQ

What weeds does MCP Amine 4 control?

The MCP Amine 4 label names 43 weeds, including barberry, beggartick, buckhorn, bulrushes, burcucumber, and burdock. Control varies by crop, rate, and timing.

What crops is MCP Amine 4 labeled for?

MCP Amine 4 is labeled for 12 crops and uses, including wheat, barley, alfalfa, clover, and white clover.

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

MCP 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 MCP 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.