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