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Tupersan 50 WP Herbicide

Pre-emergent weed control with high turf selectivity

Tupersan 50 WP Logo
Tupersan® Herbicide Wettable Powder provides highly effective pre-emergent control of smooth and large crabgrass, downy brome, foxtail, and barnyardgrass in newly seeded or established listed turfgrasses. This high degree of selectivity allows seeding later in the spring when soil temperatures are warmer and more conducive to seed germination. It’s labeled for use on Kentucky bluegrass, smooth bromegrass, perennial ryegrass, and listed fescues on sod farms, as well as golf courses (aprons, fairways, greens, and tees), ornamental turfgrass and lawns, parks, sports facilities, and roadsides.
Active Ingredient %
Siduron 50.00 %
Other Ingredients 50.00 %
Mode of Action
Photosynthesis Inhibitors
Site of Action
(7) Photosystem II Inhibitor
Safe On
Click on a grass type below to see safe application rates:
Bentgrass, Chewings Fescue, Colonial Bentgrass, Hard Fescue, Kentucky Bluegrass, Perennial Ryegrass, Red Fescue, Tall Fescue, and Zoysiagrass
Not Safe On
No not safe on treatments listed. Please, review the label or contact the merchant for more information.
Maximum Yearly Limits
Do not make more than 6 applications of Siduron (of one product or combinations of products) to golf course greens per year.
Water Instructions
Water is required to activate the herbicide following preemergent applications to the soil. Rainfall or irrigation (≥ ½ to 1 inch) must be provided within three (3) days to optimize the weed control.
Before Seeding Instructions
Tupersan Herbicide may be applied at time of seeding without causing injury to germinating seeds of many common temperate region grasses.

Tupersan 50 WP Optimized Application Label Rate Calculator

No Control
Blanket Treatment:
Grass / Turf Types Safe
Chewings Fescue
Colonial Bentgrass
Hard Fescue
Kentucky Bluegrass
Perennial Ryegrass
Red Fescue
Tall Fescue
Jump to CertainLabel™ Tupersan 50 WP Label Rates & Calculator for these 9 turf types
Blanket Treatment
Label Rate:
1.5 - 9 ounces per 1,000 sqft
Cost Effectiveness:
Covers 7111 - 42667 square feet
at a cost of
$3.35 - $20.10 per 1,000 sqft
See label page 4 for seeding and fall rates.
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