Description of Dollar Spot (Clarireedia homoeocarpa):
Dollar spot fungus is a common disease for turfgrass which creates brown spots from around 1 to 2 inches in diameter--or the size of a US silver dollar. The affected area has a straw-like color to it. There will be white cobwebs on the leaves of the turf if the fungus is still present. It prefers 60 to 90 degree F days, cool nights, and heavy dew on the lawn.
CertainLabel™
Dollar Spot Optimized Control Options Finder
Legend:
Control
Suppression
No Control
According to the manufacturer approved labels: The following 6 fungicides, applied at the listed application rates, will control Dollar Spot.
Blanket Treatment
Application Interval:
7 days
per
Label Rate:
0.5 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 64000 square feet
at a cost of
$0.62 per 1,000 sqft
at a cost of
$0.62 per 1,000 sqft
Instructions:
Apply when conditions are favorable for disease development.
Blanket Treatment
Application Interval:
14 days
per
Label Rate:
0.5 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 64000 square feet
at a cost of
$0.62 per 1,000 sqft
at a cost of
$0.62 per 1,000 sqft
Instructions:
Tank mix with low label rate of one of the following fungicides: Daconil® Weatherstick (or Quali-Pro Chlorothalonil 720 SFT) Daconil Ultrex (or Quali-Pro Chlorothalonil DF).
Blanket Treatment
Application Interval:
14 days
per
Label Rate:
1.2 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 13333 square feet
at a cost of
$3.00 per 1,000 sqft
at a cost of
$3.00 per 1,000 sqft
Instructions:
Apply when conditions are favorable for disease development. Make no more than 3 consecutive applications for dollar spot control before rotating to a registered fungicide with a different mode of action.
Note: This rate is for residential turfgrass.
Blanket Treatment
Application Interval:
14 days
per
Label Rate:
2 - 4 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 8000 - 16000 square feet
at a cost of
$3.22 - $6.44 per 1,000 sqft
at a cost of
$3.22 - $6.44 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 (Protect™), can be utilized.
Broadcast Treatment
Application Interval:
14 - 28 days
per
Label Rate:
4 lbs per 1,000 sqft
Cost Effectiveness:
Covers 5000 square feet
at a cost of
$9.65 per 1,000 sqft
at a cost of
$9.65 per 1,000 sqft
Instructions:
Apply when conditions are favorable for disease development. Make no more
than 3 consecutive applications for Dollar Spot control before rotating to a registered fungicide with a different mode of action.
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:
Apply when conditions are favorable for disease development. Ring symptoms can take 2 to 3 weeks to disappear following application. For optimum results, apply a soil wetting agent to the intended treatment area prior to Pillar G Intrinsic application.
Broadcast Treatment
Application Interval:
14 days
per
Label Rate:
1.5 - 6 lbs per 1,000 sqft
Cost Effectiveness:
Covers 5000 - 20000 square feet
at a cost of
$3.60 - $14.39 per 1,000 sqft
at a cost of
$3.60 - $14.39 per 1,000 sqft
Instructions:
For prevention, use lowest rate and apply application before expected period of disease development. Apply when disease first appears and continue at 14 day intervals. Rotations with chlorothalonil, iprodione, or mancozeb (ProtectTM) can be utilized.