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Brown Patch Fungicide

Rhizoctonia solani Fungicide

Description of Brown Patch (Rhizoctonia solani):
Brown patch fungus is a turf fungus which appears in a rough, circle-shaped patch that ranges from 6 inches to many feet in diameter. The patches are yellow, tan, or brown and the effected leaves are typically standing upright. The chief distinguishing feature of Rhizoctonia brown patch appears during periods of warm, humid weather, when dark, purplish “smoke rings” half an inch to two inches wide may border the diseased areas.The “smoke rings” are more pronounced in the early morning, usually fading by the middle of the day. “Smoke rings” are more commonly seen on close-cut grass.
According to the manufacturer approved labels: The following 7 fungicides, applied at the listed application rates, will control Brown Patch.
Preventative
Curative
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Broadcast Treatment
Label Rate:
2 - 4 lbs per 1,000 sqft
Cost Effectiveness:
Covers 2500 - 5000 square feet
at a cost of
$5.41 - $10.82 per 1,000 sqft
Preventative
Curative
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Blanket 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
$3.00 per 1,000 sqft
Instructions:
Begin applications when conditions are favorable for disease development and before disease symptoms are apparent. If disease is present, mix Eagle 20EW with an EPA registered contact fungicide, such as Fore® T/O fungicide.
Under conditions of high temperature and humidity, use the shorter spray interval.
Note: This rate is for residential turfgrass.
Preventative
Curative
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Blanket Treatment
Application Interval:
Late Spring / Early Summer
14 - 28 days
Label Rate:
1 - 2 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 16000 - 32000 square feet
at a cost of
$1.31 - $2.62 per 1,000 sqft
Instructions:
Begin applications in May or June before disease is present. Tank mix with a registered contact fungicide labeled for brown patch control at the label rate. Under conditions of high temperatures and high humidity, use the higher rates of Quali-Pro Propiconazole 14.3 and shorter application intervals.
Preventative
Curative
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Broadcast Treatment
Application Interval:
14 - 28 days
Label Rate:
2 - 4 lbs per 1,000 sqft
Cost Effectiveness:
Covers 7500 - 15000 square feet
at a cost of
$5.64 - $11.29 per 1,000 sqft
Instructions:
Apply when conditions are favorable for disease development.
Preventative
Curative
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Blanket 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
$3.22 - $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.
Preventative
Curative
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Broadcast Treatment
Application Interval:
14 days
Label Rate:
4 lbs per 1,000 sqft
Cost Effectiveness:
Covers 5000 square feet
at a cost of
$9.65 per 1,000 sqft
Instructions:
Begin applications when conditions are favorable for disease development and before disease symptoms are apparent.
Preventative
Curative
| More Info | View Label
Broadcast Treatment
Application Interval:
14 - 28 days
Label Rate:
3 lbs per 1,000 sqft
Cost Effectiveness:
Covers 5000 square feet
at a cost of
$11.99 per 1,000 sqft
Instructions:
Apply when conditions are favorable for disease development.
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