Copper Spot Fungicide

Gloeocercospora sorghi Fungicide

Description of Copper Spot (Gloeocercospora sorghi):
Copper spot fungus in turf is a disease that affects bentgrass species (especially velvet bentgrass) during periods of humid weather. It appears in small circles of usually 3 inches or less in diameter and is a coppery color. It develops, like most lawn fungus, during periods of warm and wet weather. This fungus in particular thrives in daytime temperatures of between 65 and 85 degrees F.

Control Options for Copper Spot

Legend:
Control
Suppression
No Control
Preventative
Curative
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Broadcast Treatment
Application Interval:
14 days
Label Rate:
2 - 4 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 8000 - 16000 square feet
at a cost of
$3.75 - $7.50 per 1,000 sqft
Instructions:
Apply when disease first appears and continue at 14 day intervals. Rotations and/or tank mix combinations with Cchlorothalonil, iprodione, or mancozeb (Protectâ„¢), can be utilized.
Preventative
Curative
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Broadcast Treatment
Application Interval:
14 days
Label Rate:
1.2 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 13333 square feet
at a cost of
$3.02 per 1,000 sqft
Instructions:
Apply when conditions are favorable for disease development.
Note: This rate is for residential turfgrass.
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