Pathogen
Sclerotinia homoeocarpa
Host
Annual Bluegrass, Kentucky Bluegrass, Perennial Ryegrass, Colonial Bentgrass, Creeping Bentgrass, Velvet Bentgrass
Environmental Requirements
60-90 F, high moisture
Stand Symptoms
On close cut turf, bleached out turf the size of a silver dollar
Plant Symptoms
White lesions with reddish-brown margins
Fungal Signs
Whitish, cottony mycelium on affected turf when moisture is present
Environmental Modification
Balance fertility program, remove dew
Plant Resistance
Some bentgrass varieties are less susceptible
