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¹ Gümüşhane Üniversitesi, Şiran Mustafa Beyaz MYO, Gümüşhane
² Ondokuz Mayıs Üniversitesi, Ziraat Fakültesi Tarla Bitkileri Bölümü, Samsun DOI : 10.21566/tarbitderg.279659 - This research was carried out on 12 two-rowed barley varieties (Fahrettinbey, Cumhuriyet-50, Özdemir- 05, Kalaycı-97, Çıldır-02, İnce-04, Efes-98, Erciyes, Çumra-2001, Sladoran, Tarm-92 and Tokak-157/35) in a Randomized Complete Block Design with four replications in 2008-2009 growing season in Gökhöyük, Suluova and Tokat locations. It was determined that the effects of genotype and environment were significant at 1 %level of probability for grain yield and all investigated traits. Plant height, spike number per m2, spike length, kernel number per spike, grain yield, 1000-seed weight, hectoliter weight and protein content values were determined for investigated genotypes respectively as between 92.26 and 119.29 cm, 324.30 and 430.96, 6.58 and 9.11 cm, 21.72 and 26.15, 280.55 and 426.71 kg/da, 32.14 and 41.54 g, 63.60 and 68.76 kg, 12.38 and 14.00% .The cultivars Fahrettinbey and Sladoran sowed the highest grain yield and 1000- seed weight (426.71 kg/da and 41.54 g; 418.82 kg/da and 40.70 g, respectively). The cultivars Sladoran and Fahrettinbey sowed the highest hectoliter weight (68.76 and 67.63 kg), whereas the cultivars Çıldır-02 showed the highest protein content (14.00%). Keywords : Barley, location, grain yield and yield components, quality traits