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¹ The Central Research Institute for the Field Crops, Ankara
² Retired in 16.10.2007 - This study was conducted to determine the adaptation ability and the yield potentials of alfalfa entries under the irrigated condition in Haymana location of the Central Research Institute for the Field Crops in the years of 2006, 2007, and 2008. The five alfalfa materials, the three entries originated from Hungary (L-1734, L-1735, and L-1736) and two local check varieties (Bilensoy-80 and Sazova), were investigated for the some phenological, morphological, and agronomical characters. The averages of the main stem lenght, thickness, and the number were 63.1 cm, 2.86 mm, and 2.79, respectively. Alfalfa stand score ranged from 71.3 to 77.5 % , and averaged as 74.0 % in 2008. The green herbage yield averages were found as 4454.5 kg/da, and 2591.7 kg/da in 2007, and 2008, respectively. Average yield over the two years was 3523.1 kg/da. The hay yield averages of first and second year were obtained as 1472.6 kg/da, and 815.6 kg/da, respectively. The two- year hay yield averaged to 1141.1 kg/da. They ranked from 1044.4 kg/da to 1228.2 kg/da. Trial results indicated that all three entries, especially L-1736, had good adaptability, and yield performance for the Central Anatolia Region. Keywords : Alfalfa entries, stand score, green herbage, hay