Identification
Symptoms
- Circular patches can expand several feet
- White mycelium advances over turf
- Mustard-seed-like brown sclerotia may appear at stem bases
- Season
- Jul, Aug, Sep
- Regions
- South, Transition Zone, Warm West (CA / AZ / NM)
- Turf Hosts
- Bermudagrass, Zoysiagrass, Tall Fescue, Kentucky Bluegrass
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This is identification help, not a diagnosis.
Symptoms described here can overlap between diseases and other causes (drought, wear,
nutrient deficiency). When you're not sure, or before applying any treatment, contact
your state's Cooperative Extension office - most offer free or low-cost diagnosis and
know your local conditions best.