Pathogen

Drechslera poae

Host

Kentucky Bluegrass

Environmental Requirements

50-60 F, high moisture, lush foliar growth

Stand Symptoms

Reddish-brown cast to stand

Plant Symptoms

Leaf spots with red-brown margins

Fungal Signs

Dark, multi-celled conidia

Environmental Modification

Raise mowing height during optimum time of disease

Plant Resistance

Resistant varieties of Kentucky Bluegrass are available