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
