Pathogen: Colletotrichum graminicola
Host: Annual Bluegrass, Creeping Bentgrass, Kentucky Bluegrass, Fine Fescue, Perennial Ryegrass
Environmental Requirements: 80-95 F, high moisture
Stand Symptoms: irregular-shaped patches of yellowed or bronzed turf, several inches to feet wide
Plant Symptoms: elongated reddish-brown lesions
Fungal Signs: dark acervuli and setae
Environmental Modification: decrease thatch, relieve compaction, increase P and K fertility
Plant Resistance: use less susceptible species
Stand Symptoms
Plant Symptoms
Fungal Signs
