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Grain yield and some yield components of twenty two bread wheat cultivars were determined in this study that were conducted during the 2014-2015 growing seasons in Kırşehir ecological conditions. Twenty two bread wheat cultivars (Bayraktar-2000, Tosunbey, Karahan-99, Selimiye, Aldane, Kate-A-1, Bezostaja, Sönmez-2001, Gün-91, Kıraç-66, Dağdaş-94, Kırgız-95, Pehlivan, İkizce-96, Gerek-79, Sultan-95, Müfitbey, Altay-2000, Harmankaya -99, Esperia, Gelibolu, Bereket) were used in this study.
Significant differences were determined in grain yield and yield components among wheat cultivars. Days to headings ranged between 215.0-205.3 days, grain filling duration 39.67-33.67 days, plant height 83.47-62.60 cm, spike lenght 8.53-6.46 cm, number of fertile spikes per m2 633.3-415.0, grain number per spike 32.0-20.03, grain weight per spike 1.25-0.72 g, thousand grain weight 42.37-31.93 g and grain yield 450.4-284.1 kg da-1.
It was concluded that the highest grain yield was determined with 450.4 kg da-1 in Karahan 99 bread wheat variety. Karahan 99, Sönmez 2001 and Bereket bread wheat cultivars could be recommended for Kırşehir ecological conditions.
Keywords: Bread wheat, yield components, grain yield.
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