Gray leaf spot moves on to rye

We reported last week that kikuyugrass fairways in California were being hit hard by gray leaf spot (July 25 PACE Update), and predicted that ryegrass damage would not be far behind. This is one of those cases where we hate to be right, but unfortunately the disease is picking up steam on ryegrass in California.

In areas where gray leaf spot has been a problem in the past, it doesn't seem to take much to get an epidemic rolling. Average…