Diagnosing fairy ring

Are you uncertain whether dry spots are due to fairy ring or some other factor? One quick way to tell is to remove a cup cutter sample from the edge of one of your dry spots (make sure that you have some healthy turf and some damaged turf in the sample). Moisten the plug and place it into a ziplok bag and seal the bag. Allow it to incubate at least 24 hours. If fairy ring fungi are present, fuzzy…