SedgeMaster Herbicide is a sulfonylurea herbicide that works by inhibition of acetolactate synthase (ALS). Contains 75% Halosulfuron-methyl. Available in 1.33 ounce. SedgeMaster is a selective, post-emergent herbicide concentrate designed to specifically kill nutsedge and other broadleaf weeds without injury to turfgrasses and ornamentals.
| Active Ingredient | % |
|---|
| Halosulfuron-methyl | 75.00 % |
| Other Ingredients | 25.00 % |
Label & SDS
Mode of Action
Lipid Synthesis Inhibitors
Site of Action
(1) ACCase Inhibitor
Safe On
Click on a grass type below to see safe application rates:
Annual Ryegrass, Bahiagrass, Bermudagrass, Buffalograss, Carpetgrass, Centipedegrass, Chewings Fescue, Colonial Bentgrass, Fine Fescue, Hard Fescue, Kentucky Bluegrass, Kikuyu Grass, Perennial Ryegrass, Red Fescue, St. Augustinegrass, Tall Fescue, and Zoysiagrass
Not Safe On
No not safe on treatments listed. Please, review the label or contact the merchant for more information.
Mowing Instructions
Do not mow turfgrass for 2 days before or 2 days after application for best results.
Before Seeding Instructions
Wait 4 weeks between application and seeding or sodding of turfgrass.
Surfactant Instructions
Add 2 teaspoons (1/3 fluid ounce) of nonionic surfactant per gallon of water.
CertainLabel™
Sedgemaster Optimized Application Label Rate Calculator
Legend:
Control
Suppression
No Control
Spot Treatment:
per
Blanket Treatment:
per
1
| Grass / Turf Types | Safe |
|---|---|
| Annual Ryegrass |
|
| Bahiagrass |
|
| Bermudagrass |
|
| Buffalograss |
|
| Carpetgrass |
|
| Centipedegrass |
|
| Chewings Fescue |
|
| Colonial Bentgrass |
|
| Fine Fescue |
|
| Hard Fescue |
|
| Kentucky Bluegrass |
|
| Kikuyu Grass |
|
| Perennial Ryegrass |
|
| Red Fescue |
|
| St. Augustinegrass |
|
| Tall Fescue |
|
| Zoysiagrass |
|
1
Jump to
CertainLabel™ Sedgemaster Label Rates & Calculator
for
these 17 turf types
Spot Treatment
per
Label Rate:
0.032 ounces per gallon
Cost Effectiveness:
Makes 41.894 gallons
at a cost of
$1.55 per gallon
at a cost of
$1.55 per gallon
Instructions:
Heavy infestation requires sequential applications.
Blanket Treatment
per
Label Rate:
0.032 ounces per 1,000 sqft
Cost Effectiveness:
Covers 41894 square feet
at a cost of
$1.55 per 1,000 sqft
at a cost of
$1.55 per 1,000 sqft
Instructions:
Heavy infestation requires sequential applications.
1
| Weeds | Pre- Emergent |
Post-Emergent |
|---|---|---|
| Nutsedge, Purple |
|
|
| Nutsedge, Yellow |
|
|
1
Jump to
CertainLabel™ Sedgemaster Label Rates & Calculator
for
these 2 weeds
Spot Treatment
per
Label Rate:
0.032 ounces per gallon
Cost Effectiveness:
Makes 41.894 gallons
at a cost of
$1.55 per gallon
at a cost of
$1.55 per gallon
Instructions:
Heavy infestation requires sequential applications.
Blanket Treatment
per
Label Rate:
0.032 ounces per 1,000 sqft
Cost Effectiveness:
Covers 41894 square feet
at a cost of
$1.55 per 1,000 sqft
at a cost of
$1.55 per 1,000 sqft
Instructions:
Heavy infestation requires sequential applications.
2
| Weeds | Pre- Emergent |
Post-Emergent |
|---|---|---|
| Kyllinga, Green |
|
|
2
Jump to
CertainLabel™ Sedgemaster Label Rates & Calculator
for
Green Kyllinga
Spot Treatment
per
Label Rate:
0.032 ounces per gallon
Cost Effectiveness:
Makes 41.894 gallons
at a cost of
$1.55 per gallon
at a cost of
$1.55 per gallon
Blanket Treatment
per
Label Rate:
0.032 ounces per 1,000 sqft
Cost Effectiveness:
Covers 41894 square feet
at a cost of
$1.55 per 1,000 sqft
at a cost of
$1.55 per 1,000 sqft