Video: Diagnosing summer patch

In this video, we show how summer patch is diagnosed in the lab, and get a close up look at the damage that Magnaporthe poaea creates on Poa annua roots.

Bentgrass does not escape from attack by summer patch, either, unfortunately. Though it's relatively rare, we usually receive a few samples from bentgrass greens each year that are suffering from summer patch symptoms. Just recently, we diagnosed summer patch on A4 bentgrass. The turf had not been treated with any…