Pathogen:
Sclerophthora macrospora
Host:
Annual Bluegrass, Kentucky Bluegrass, Rough Bluegrass, Colonial Bentgrass, Velvet Bentgrass, Creeping Bentgrass, Perennial Ryegrass, Fine Fescue, Tall Fescue
Environmental Requirements:
40-70 F, high moisture, poor drainage
Stand Symptoms:
small yellow spots
Plant Symptoms:
dense clusters of yellow shoots that pull easily from the turf
Fungal Signs:
sporangia and zoospores
Environmental Modification:
improve drainage, mask with Iron treatment
Plant Resistance:
none resistant
