Pink Patch / Red Thread

Pathogens: Limonomyces roseipellis
Laetisaria fuciformis

Host: Kentucky Bluegrass, Fine Fescue, Perennial Ryegrass

Environmental Requirements: 60-75 F, high moisture, slowed growth

Stand Symptoms: irregularly bleached patches

Plant Symptoms: leaves watered soaked when wet, white when dry

Fungal Signs: L. roseipellis - pink cottony growth
L. fuciformis - red strands on infected leaves

Environmental Modification: improve N fertility

Plant Resistance: none known