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Cultural Management and Nitrogen Source Effects on Ultradwarf Bermudagrass Cultivars

^a Dep. of Agronomy and Soils, Auburn Univ., AL, 36849
^b The Landings Club, 75 Green Island Rd., Savannah, GA 31411

View larger version (35K): [in this window] [in a new window]   Fig. 1. Bermudagrass quality (1–9 relative scale) as affected by management program and cultivar, 1999 to 2000. Asterisks (*) within each cultivar indicate significant differences between management treatments at that date, as determined by Duncan's mean square separation at = 0.05. Downward and upward facing arrows in the top two figures indicate when vertical mowing was applied for standard and high management treatments, respectively. Break in time on the x axis indicates the winter period when cultural management treatments were not imposed on overseeded bermudagrass.

View larger version (23K): [in this window] [in a new window]   Fig. 2. Relative color (1–9 scale) of bermudagrass and overseeded bermudagrass as affected by N source. Asterisks (*) at each date indicate significant differences between N sources, as determined by Duncan's mean square separation at = 0.05. Soluble N is urea and slow-release N is urea–formaldehyde.