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Avoidance and Management Tips for Summer Turfgrass Diseases

Gray leaf spot on St. Augustinegrass Gray leaf spot is active and causing epidemics St. Augustinegrass. The fungus Pyricularia grisea also affects perennial ryegrass and tall fescue in Georgia. However, the disease is particularly aggressive in St Augustinegrass. Hot humid summer weather and high nitrogen levels can make turf susceptible…
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