Controlling Brown Patch on Warm- Season …

Controlling Brown Patch on warm - Season Turfgrasses in Home LawnsBrown Patch is the most damaging disease of warmseasonturfgrasses in Alabama. St. Augustinegrass, zoysiagrass, andcentipedegrass are most susceptible to this disease; commonand hybrid bermudagrasses are rarely nitrogen fertility levels and thatch often lead tooutbreaks of Brown Patch . The disease usually develops onlawns during periods of wet, overcast weather in late springor fall. Damage is often heaviest after several days of show-ers with day temperatures of 60 to 80 F and heavy humid coastal areas, Brown Patch is usually found fromlate fall through early spring on St. Augustinegrass and cen-tipedegrass lawns during extended periods of mild, cloudy,wet Patch first appears in lawns as small, circular, Brown areas several inches in diameter, which quickly in-creases to 3 to 6 feet (Figure 1). These areas often grow to-gether, forming irregular patches of Brown , blighted turf upto 20 feet in diameter (Figure 2).

Controlling Brown Patch on Warm-Season Turfgrasses in Home Lawns B rown patch is the most damaging disease of warmseason turfgrasses in Alabama. St.

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