Summer Patch

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

Stand Symptoms


Fungal Symptoms