Description of Stripe Smut (ustilago striiformis):
Stripe smut is common on turfgrass and generally leaves the grass with a pale green color and stunted. The grass also will have long black stripes of spore pustules. Bentgrass, Kentucky bluegrass, fescues, and Perennial ryegrasses are all susceptible to stripe smut.
CertainLabel™
Stripe Smut Optimized Control Options Finder
Legend:
Control
Suppression
No Control
According to the manufacturer approved labels: The following 3 fungicides, applied at the listed application rates, will control Stripe Smut.
Blanket Treatment
Application Interval:
Spring / Fall
14 - 21 days
14 - 21 days
per
Label Rate:
1 - 2 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 16000 - 32000 square feet
at a cost of
$1.25 - $2.50 per 1,000 sqft
at a cost of
$1.25 - $2.50 per 1,000 sqft
Instructions:
Apply once in the fall after grass becomes dormant or in the early spring before grass starts to grow.
Blanket Treatment
Application Interval:
Spring / Fall
14 days
14 days
per
Label Rate:
4 - 6 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 5333 - 8000 square feet
at a cost of
$6.44 - $9.67 per 1,000 sqft
at a cost of
$6.44 - $9.67 per 1,000 sqft
Instructions:
Apply at 14 day intervals whenUstilago striiformis disease first appears. For prevention,apply in spring and fall.
Broadcast Treatment
Application Interval:
14 days
per
Label Rate:
6 - 9 lbs per 1,000 sqft
Cost Effectiveness:
Covers 3333 - 5000 square feet
at a cost of
$14.39 - $21.58 per 1,000 sqft
at a cost of
$14.39 - $21.58 per 1,000 sqft
Instructions:
Apply when disease first appears and make two applications at 14 day intervals. For prevention, apply in spring and fall.
