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| Symptoms: most serious
during hot, humid conditions when turf is under drought
stress. Starts as light green patches 2-6 inches in
diameter. Circular patches, elongated streaks. Patches
turn from light green to reddish brown, to tan, to straw
color. Frogeye pattern with healthy grass in the center
of a doughnut-shaped area up to 3 feet in diameter. Grass
dies as the roots and crown die. Cultural control: •avoid severely drought stress conditions •maintain good drainage •core aerate |
Fungicides:
trifloxystrobin (Compass) vorlan (Curalan, Touche) cyproconazole (Sentinel) iprodione (Chipco 26019) fludioxonil (Medallion) |
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