ArticleBMC plant biology2025
Physiological and turf quality responses of tall fescue to varying irrigation levels and nitrogen doses under Mediterranean climate conditions.
Article in BMC plant biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundWater scarcity and growing environmental concerns have increased the need for effective irrigation and fertilization practices in turf management. This study investigated the effects of different irrigation levels (IL) and nitrogen doses (ND) on turf quality, color, clipping yield, and selected physiological parameters of tall fescue [Schedonorus arundinaceus (Schreb.) Dumort] under Mediterranean climate conditions. The experimental design was randomized blocks in a split‒split plot design with three replications. The irrigation levels were set at 25% (IL1), 50% (IL2), 75% (IL3), and 100% (IL4) pan evaporation, while nitrogen doses of 0.00, 1.25, 2.50, and 5.00 g m
resultsThe irrigation level and nitrogen application significantly affected turf color, quality, clipping yield, leaf relative water content, chlorophyll content, turgor loss, and electrolyte leakage. Increased irrigation and nitrogen levels increased the leaf RWC and chlorophyll content while reducing turgor loss and electrolyte leakage, ultimately improving plant tolerance to environmental stress.
conclusionsOur findings suggest that acceptable turf color and quality throughout the year can be achieved with a 50% irrigation level and a nitrogen dose of 5.00 g m
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