Description of Gray Snow Mold (Typhula incarnata):
Gray snow mold, sometimes called Typhula blight, what is considered a true snow mold, not just a fungus that exhibits visual similarities to snow mold. It requires at least 60 days of snow cover to develop. It grows in circular or irregular patches that can reach a diameter of 3 feet or more. It's most severe when heavy amounts of snow fall on unfrozen ground.
Other common name: Typhula Blight
CertainLabel™
Gray Snow Mold 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 Gray Snow Mold.
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:
Late Fall
per
Label Rate:
2 - 4 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 8000 - 16000 square feet
at a cost of
$2.50 - $5.00 per 1,000 sqft
at a cost of
$2.50 - $5.00 per 1,000 sqft
Instructions:
Apply one application in the late fall before snow cover. Do not apply on top of snow. If using rates of 2 and 3 fl. oz., tank mix QualiPro Propiconazole 14.3 with either PCNB or chlorothalonil at label rates to provide optimum disease control.
Broadcast Treatment
Application Interval:
Late Fall
10 - 28 days
10 - 28 days
per
Label Rate:
4 lbs per 1,000 sqft
Cost Effectiveness:
Covers 7500 square feet
at a cost of
$10.68 per 1,000 sqft
at a cost of
$10.68 per 1,000 sqft
Instructions:
Make two applications of 4 lb spaced 10-28 days apart in late fall just before snow cover. Alternating with another snow mold fungicide, such as Daconil, Medallion®, or Banner MAXX®, may enhance control under severe disease pressure.
Broadcast Treatment
Application Interval:
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:
Make 1 application in late fall just prior to snow cover. For optimum control under severe disease pressure, make application of Trinity, Insignia® SC Intrinsic™ brand fungicide, or Insignia 14 days prior to Pillar G Intrinsic application.