Dollar Spot

SEASON:The disease occurs from spring through fall, and is most active during moist periods of warm days (70-85°F) and cool nights (60°F) in the spring, early summer and fall.

APPEARANCE: Dollar spot symptoms vary depending primarily on turfgrass species, mowing height and nutrition level. Overall appearance of dollar spot on closely mowed bentgrass golf greens differs from that observed on taller Kentucky bluegrass, fine fescue and perennial ryegrass turfs.

FAVORABLE CONDITIONS: Several factors influence the occurrence and severity of dollar spot. Bentgrass, hybrid bermudagrass and zoysia are most susceptible; while St. Augustine and centipede are less frequently attacked by dollar spot.

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