Brown ring patch research update

Brown ring patch, Waitea circinata (not to be confused with brown patch, caused by Rhizoctonia) can cause trouble on poa greens as soon as threat temperatures reach 60F (16C). Researchers Steve McDonald and colleagues at Rutgers University have contributed to our knowledge of management of this disease, with their recent Golf Course Management article, "Reducing brown ring patch severity on Poa annua greens".

The article confirms much of the information generated in 2008 by Drs. Frank Wong, Larry Stowell and…