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Bentgrass Dead Spot Fungicide
Ophiosphaerella agrostis Fungicide
Description of Bentgrass Dead Spot (Ophiosphaerella agrostis):
Bentgrass dead spot is a disease that affects creeping bentgrass and was only just discovered in the early 2000s. It especially affects bentgrass putting greens, starting as spots that are dime-sized and eventually grow to up to 4 inches in diameter. The disease is often misidentified as ball-marks from golfers.
CertainLabel™
Bentgrass Dead Spot 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 Bentgrass Dead Spot.
Blanket Treatment
Application Interval:
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:
For prevention, apply in early June or based upon local Extension Service recommendations. Apply at 14 day intervals. Rotations and/or tank mix combinations may be used for season long disease prevention.
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.
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:
For prevention, apply in early June or based upon local Extension Service recommendations. Apply at 14 day intervals as needed. Rotations and/or tank mix combinations may be used for season long disease prevention.
