Pathogen:
Magnaporthe poae
Host:
Annual Bluegrass, Kentucky Bluegrass, Fine Fescue
Environmental Requirements:
85-95 F, high soil temperatures, wet soils
Stand Symptoms:
yellow to bronze colored irregular-shaped patches
Plant Symptoms:
foliage bronzed, roots dark brown
Fungal Signs
dark brown to black ectotrophic hyphae on the roots and crown
Environmental Modification:
avoid over watering, aerify, improve drainage, lower pH
