Pathogen: Bipolaris sorokiniana
Drechslera spp
Host: Annual Bluegrass, Kentucky Bluegrass, Perennial Ryegrass, Colonial Bentgrass, Fine Fescue, Tall Fescue
Environmental Requirements: 70-95 F, high moisture
Stand Symptoms: purplish cast and thinning of stand
Plant Symptoms: small purple to black leaf spots
Fungal Signs: conidia
Environmental Modification: moderate fertility levels
Plant Resistance: There is a wide range of susceptibility of turfgrass cultivars
Stand Symptoms
Plant Symptoms
Fungal Signs
