Herbicide label

Solve MCPA Ester

Solve MCPA Ester (EPA 42750-25) is a Group 4 mcpa herbicide labeled for 6 crops. The label lists 18 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

Solve MCPA Ester label facts

Crops on the Solve MCPA Ester label

Solve MCPA Ester is labeled for these 6 crops and uses, per the EPA label.

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Weeds on the Solve MCPA Ester label

The Solve MCPA Ester label names 32 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 control18
  • beggarticks
  • cocklebur, common
  • dragonhead mint
  • goatsbeard
  • hempnettle
  • lambsquarters
  • marshelder
  • mustards, annual
  • peppergrass, field
  • poison hemlock
  • puncturevine
  • radish, wild
  • ragweed, giant
  • rocket, yellow
  • shepherd's-purse
  • sowthistle, annual
  • stinkweed
  • wintercress

Partial control

partial14
  • buttercup
  • chervil
  • dandelions
  • kochia
  • miner's lettuce
  • pigweed, russian
  • plantain
  • purslane
  • sowthistle, perennial
  • stinging nettle
  • sunflower
  • thistle, canada
  • vetch
  • whitetop

Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.

Solve MCPA Ester 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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Solve MCPA Ester FAQ

What weeds does Solve MCPA Ester control?

The Solve MCPA Ester label names 32 weeds, including beggarticks, common cocklebur, dragonhead mint, goatsbeard, hempnettle, and lambsquarters. Control varies by crop, rate, and timing.

What crops is Solve MCPA Ester labeled for?

Solve MCPA Ester is labeled for 6 crops and uses, including wheat, barley, durum wheat, oats, and cereal rye.

What is the active ingredient in Solve MCPA Ester? Is it a generic?

Solve MCPA Ester'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 Solve MCPA Ester?

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.