Basal Rot Anthracnose

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

Cark acervuli and setae

Environmental Modification

Relieve compaction

Plant Resistance

Creeping Bentgrass usually resistant

BasalRotStand
Stand Symptoms

 

BasalRotPlant
Plant Symptoms

 

BasalRotFungal
Fungal Signs

 

University of Wisconsin Madison