Herbicide label
Willowood Pronamide 50WSP
Willowood Pronamide 50WSP (EPA 87290-3) is a Group 23 propyzamide herbicide labeled for 2 crops. The label lists 47 controlled weeds, plus partial-control, suppression, and partner-control categories.
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“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.
Need the rate or timing for one of these? Filter every label by your crop, free.
Weeds on the Willowood Pronamide 50WSP label
The Willowood Pronamide 50WSP label names 50 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 control47- foxtail barley
- barley
- barnyardgrass, common
- bentgrass
- bluegrass, annual
- bluegrass, bulbous
- bluegrass, kentucky
- brome, downy
- canarygrass
- carpetweed
- chickweed, common
- chickweed, mouse-ear
- crabgrass
- crabgrass, large
- dodder, field
- fescue, tall
- foxtail, yellow
- goatgrass, jointed
- goosefoot, nettleleaf
- goosegrass
- henbit
- knotweed
- knotweed, prostrate
- lambsquarters, common
- lovegrass species
- mallow, little
- morning glory, annual
- mustard, wild
- nettle, burning
- nightshade, black
- nightshade, hairy
- oat, volunteer
- wild oats
- orchardgrass
- panicum, fall
- purslane, common
- radish, wild
- rocket, london
- rye, volunteer
- ryegrass, italian
- ryegrass, perennial
- shepherd's-purse
- smartweed, pale
- sorrel, red
- tomato, volunteer
- velvetgrass
- volunteer wheat
Partial control
partial4- bentgrass
- fescue, tall
- orchardgrass
- velvetgrass
Suppression
suppression4- brome species
- wild oats
- orchardgrass, volunteer
- ryegrass, annual
Controls with a tank-mix partner
needs partner4- brome species
- wild oats
- orchardgrass, volunteer
- ryegrass, annual
Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.
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.
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Plant-back and rotation
Your interval depends on your application rate, the rotational crop, and your state, region, and rainfall — some intervals differ in CA, ID, NV, OR, UT, and WA.
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 50 weeds, including foxtail barley, barley, common barnyardgrass, bentgrass, annual bluegrass, and bulbous bluegrass. 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.
What's the plant-back interval after Willowood Pronamide 50WSP?
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 Willowood Pronamide 50WSP?
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.