Description of Powdery Mildew (Erysiphe graminis):
Powdery mildew disease is a powdery growth that forms on the surface of the turfgrass blades. This type of fungus can only survive on a living host or living turfgrass plant. The fungus usually portrays itself on the turf as isolated wefts of grayish-white, fine, and cobwebby growth usually on the upper portion of the plant.
CertainLabel™
Powdery Mildew Optimized Control Options Finder
Legend:
Control
Suppression
No Control
According to the manufacturer approved labels: The following 4 fungicides, applied at the listed application rates, will control Powdery Mildew.
Broadcast Treatment
per
Label Rate:
2 - 4 lbs per 1,000 sqft
Cost Effectiveness:
Covers 2500 - 5000 square feet
at a cost of
$3.89 - $7.79 per 1,000 sqft
at a cost of
$3.89 - $7.79 per 1,000 sqft
Blanket Treatment
Application Interval:
14 - 28 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 when conditions are favorable for disease development. If disease is present, use 2 fl. oz. of Quali-Pro Propiconazole 14.3 per 1000 sq. ft.
Broadcast Treatment
Application Interval:
14 - 28 days
per
Label Rate:
2 - 4 lbs per 1,000 sqft
Cost Effectiveness:
Covers 7500 - 15000 square feet
at a cost of
$5.34 - $10.68 per 1,000 sqft
at a cost of
$5.34 - $10.68 per 1,000 sqft
Instructions:
Begin applications when conditions are favorable for disease infection, prior to disease symptom development.
Broadcast Treatment
Application Interval:
14 - 28 days
per
Label Rate:
3 lbs per 1,000 sqft
Cost Effectiveness:
Covers 5000 square feet
at a cost of
$11.99 per 1,000 sqft
at a cost of
$11.99 per 1,000 sqft
Instructions:
Use preventively. Begin applications when conditions are favorable for fungal infection, prior to disease symptom development.
