Gray leaf spot strikes

For some reason, gray leaf spot caused by Pyricularia grisea strikes in California before most other areas of the country. This year, gray leaf spot first hit ryegrass in San Diego last week. There are likely other epidemics kicking in on kikuyugrass and St. Augustine. Take a look at this photo for a refesher on the appearance of leaves attacked by this fungus. And keep a close eye on the Stress Index in your PACE Turf Weather Updates. Once the…