Pythium Diseases and Control Tools
Disease Blight
Environment
Fungicides
Cool-Season Grasses • High temperatures: 86 - 90°F
Best: Banol, Subdue, ProtecMAX Cyazo, Segway,
• High humidity, warm nights (>70°F) • High N fertilization, high soil moisture
Good: ProtectMAX Title Phyte, Signature Xtra, Serata Low: ProtectMAX Fluoxastrobin, Insignia, Heritage, ProtectMAX Azoxy Best: Serata, ProtectMAX Cyazo , Segway Good: Banol, Terrazole, ProtectMAX Title Phyte, Signature Xtra
Warm Season Grasses • Night temps > 50°F • Cloudy, rainy weather • Prolonged leaf wetness
Root Rot
• Wet weather: soil temps > 60°F • Heavy rain, wet soil conditions • Low lying compacted areas
Low: Subdue Maxx
Root Dysfunction
• Newer creeping bentgrass greens establishments more susceptible • Exposed areas, top of slopes • Dry, hot weather • Infection: 55-75°F soil temps • Symptoms: Most pronounced during periods of slow growth
Best: Serata, ProtectMAX Cyazo , Segway, Insignia Good: ProtectMAX Fluoxastrobin, Signature, Banol, ProtectMAX Title Phyte
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