Ballmarks or dollar spot?

In warmer climates, turf continues to grow throughout the winter, but growth and damage recovery is very slow. One common mistake we see during this time period is assuming that small, dead areas of turf are persistent ball marks when they are in fact dollar spot.

We recently received samples from poa/bent greens that were believed to be suffering from persistent ball marks. But upon incubation at 72 F (22 C) in a moist chamber, fungal mycelium burst out of…