Herbicide label
Willowood Pronamide 50WSP Herbicide Label
Willowood Pronamide 50WSP (EPA 87290-3) is a Group 23 propyzamide herbicide labeled for 2 crops. The label lists 19 controlled weeds, plus partial-control, suppression, and partner-control categories.
“Willowood Pronamide 50WSP is a selective herbicide for the control of susceptible weeds in either established (ratoon) or transplanted globe artichokes.”
Willowood Pronamide 50WSP label facts
- Product Willowood Pronamide 50WSP
- EPA Reg. No. 87290-3
- Active ingredient propyzamide
- MOA group 23
Crops on the Willowood Pronamide 50WSP label
Willowood Pronamide 50WSP is labeled for these 2 crops and uses, per the EPA label.
Weeds on the Willowood Pronamide 50WSP label
The Willowood Pronamide 50WSP label names 19 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 control19- foxtail barley
- barley
- bluegrass, annual
- bluegrass, kentucky
- brome, downy
- chickweed, common
- mustard, wild
- oat, volunteer
- wild oats
- orchardgrass
- radish, wild
- rocket, london
- rye, volunteer
- ryegrass, italian
- ryegrass, perennial
- shepherd's-purse
- sorrel, red
- volunteer wheat
- dodder, field
Willowood Pronamide 50WSP 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.
Willowood Pronamide 50WSP FAQ
What weeds does Willowood Pronamide 50WSP control?
The Willowood Pronamide 50WSP label names 19 weeds, including foxtail barley, barley, annual bluegrass, kentucky bluegrass, downy brome, and common chickweed. Control varies by crop, rate, and timing.
What crops is Willowood Pronamide 50WSP labeled for?
Willowood Pronamide 50WSP is labeled for 2 crops and uses, including alfalfa and clover.
What is the active ingredient in Willowood Pronamide 50WSP? Is it a generic?
Willowood Pronamide 50WSP's active ingredient is propyzamide (MOA Group 23). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.
Sources
Last updated 2026-09-30.