Video: Gray leaf spot on St. Augustinegrass

Ryegrass and kikuyugrass are common hosts to gray leaf spot (Pyricularia grisea), as we have recently mentioned. St. Augustinegrass (Stenotaphrum secundatum) is also a common host, but gray leaf spot there is more of an issue in the home lawn market.

Shopping in one of the local big box stores last weekend, I came across some St. Augustinegrass sod for sale that had a "nice" epidemic of gray leaf spot slowly wiping out all of the green leaves. Another example,…