Bottom line: brown ring patch management

Brown ring patch (BRP), which is triggered by threat temperatures greater than 60F (16C), has begun to strike in many locations. Caused by the fungus Waitea circinata var. circinata, it is a relatively new disease that has been causing significant damage on poa greens. Its management is similar to that for Rhizoctonia diseases, but recent research shows that it differs in several important ways as well.

The most dramatic difference is that brown ring patch (BRP) is able to survive…