Fairy Rings

From Turf Wiki

• Pathogens: Agaricus spp., Calvatia spp., Chlorophyllum spp., Clitocybe spp., Lepiota spp., Lycoperdon spp., Maramius spp., Scleroderma spp., Tricholoma spp.

• Common Names: Fairy Ring

• Climatic Zone: Temperate, Subtropical, and Tropical

• Geographic Distribution: North America, Europe, East Asia, Australia, Africa, South America

• Favorable Conditions: Dry, low fertility, thick thatch layer with sandy soil

• Hosts:Creeping Bentgrass, colonial bentgrass, velvet bentgrass, Perennial Ryegrass, Annual Bluegrass (Poa annua), bermudagrass (Cynodon dactylon), Tall Fescue, Kentucky Bluegrass, St. Augustinegrass, zoysiagrass, fine fescues

• Sympotms: Circular or arc-shaped rings of dark, fast-growing turf 2"-8" wide (5-20 cm), that may have a band of thin or dead turf on the inside. Generally during late summer or autumn there may be an occurance of mushrooms or puffballs. The thatch layer may have white mycelium