Between pop-up thunderstorms, people going on vacation, and people just not mowing enough, gray leaf spot has exploded on St. Augustine grass. Gray leaf spot (Pyricularia grisea) goes with St.
Gray leaf spot is a widespread fungal disease in corn, responsible for a 23-million-bushel yield loss in the U.S. in 2024. 1 The challenge with controlling gray leaf spot isn’t just deciding whether ...