Pathogen: Colletotrichum graminicola

Host: Annual Bluegrass, Creeping Bentgrass

Environmental Requirements: 50-60 F, high moisture

Stand Symptoms: small, irregular-shaped patches of yellowed or bronzed turf

Plant Symptoms: yellowed leaves and blackened crowns

Fungal Signs: dark acervuli and setae

Environmental Modification: relieve compaction

Plant Resistance: Creeping Bentgrass usually resistant