Pathogen

Erysiphe graminis

Host

Kentucky Bluegrass, Fine Fescue, Redtop

Environmental Requirements

55-70 F, low light, poor air circulation

Stand Symptoms

Grayish-white cast to the stand

Plant Symptoms

Leaves yellow or white

Fungal Signs

Leaves covered with white mycelium and conidia

Environmental Modification

Increase sunlight and air circulation

Plant Resistance

Plant a shade tolerant species