Herbicide label
MCP Ester 4
MCP Ester 4 (EPA 34704-992) is a Group 4 mcpa herbicide labeled for 6 crops. The label lists 7 controlled weeds, plus partial-control, suppression, and partner-control categories.
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MCP Ester 4 label facts
- Product MCP Ester 4
- EPA Reg. No. 34704-992
- Registrant Loveland Products, Inc.
- Active ingredient mcpa
- MOA group 4
Crops on the MCP Ester 4 label
MCP Ester 4 is labeled for these 6 crops and uses, per the EPA label.
Need the rate or timing for one of these? Filter every label by your crop, free.
Weeds on the MCP Ester 4 label
The MCP Ester 4 label names 18 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 control7- cocklebur, common
- mustard, annual
- lambsquarters
- marshelder
- pennycress, field
- rocket, yellow
- shepherd's-purse
Partial control
partial11- buckwheat, wild
- dandelion
- hempnettle
- kochia
- pigweed
- plantain
- purslane
- ragweed, giant
- stinging nettle
- sunflower
- thistle, canada
Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.
MCP 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.
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.
MCP Ester 4 FAQ
What weeds does MCP Ester 4 control?
The MCP Ester 4 label names 18 weeds, including common cocklebur, annual mustard, lambsquarters, marshelder, field pennycress, and yellow rocket. Control varies by crop, rate, and timing.
What crops is MCP Ester 4 labeled for?
MCP Ester 4 is labeled for 6 crops and uses, including wheat, barley, oats, triticale, and durum wheat.
What is the active ingredient in MCP Ester 4? Is it a generic?
MCP 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.
What's the plant-back interval after MCP Ester 4?
It depends on your rotational crop, application rate, and region, so the label gives a table, not one number. Build a program and FieldMarshal gives you the exact interval for your rotation from the label line, so you can verify it.
Build a program →Can I tank-mix MCP Ester 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.
Build a program →Plan in minutes, not hours.
Start with MCP Ester 4 and let FieldMarshal build a defensible herbicide program for your field, every product, rate, and plant-back cross-referenced and checked against the label.
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Sources
Last updated 2026-07-14.