[Colletotrichum graminicola]
Situation: Predominantly golf and bowling greens, particularly affects Bent grass, Couch and Poa annua.
Turf Damage: Appears as yellowed turf in irregular shapes and patterns before turning brown and dying. Black stain at base of plant is visible due to acervulus.
Occurrence: Plant stress, high temperature and moisture provide ideal conditions for this disease.
