Mahmut KAPLAN, Mehmet Fatih YILMAZ, Rukiye KARA

Variation in hay yield and quality of new triticale lines

Çalışmanın amacı yeni melez tritikale hatlarının ot verimi ve ot kalitesi yönünden varyasyonu belirlemektir. Deneme2011-2012 ve 2012-2013 yıllarında 2 yıl süre ile tesadüf blokları deneme desenine göre 3 tekrarlamalı olarak kurulmuş veanaliz edilmiştir. Araştırmada 5 çeşit ve 20 hat kullanılmıştır. Bitkiler süt olum döneminde hasat edilmiştir. Araştırmadayeşil ot verimi, kuru ot verimi, ham protein verimi, ham protein oranı, ADF, NDF ve ham kül oranı incelenmiştir. İkiyıllık araştırma sonuçlarının ortalamasına göre; yeşil ot verimi 36.44-48.47 t ha -1, kuru ot verimi 12.77-18.68 t ha -1 protein verimi 1.02-1.80 t ha , asitte çözünmeyen lif (ADF) oranı % 32.92-44.63, nötrde çözünmeyen lif (NDF) oranı% 63.72-78.47, ham kül oranı % 5.06-7.87, ham protein oranı % 6.21-11.36, sindirilebilir kuru madde (SKM) % 54.14-63.25, kuru madde tüketimi (KMT) 1.528-1.881 ve nispi yem değeri (NYD) 64.18-89.31 arasında değişmiştir. Araştırmasonuçlarına göre; melezleme ile elde edilen yeni tritikale genotiplerinin incelenen özellikler yönünden değerleri standartçeşitlerden daha yüksek olmuştur. Yapılan melezleme sonuçlarının olumlu neticeler verdiği ve bu hatların ot verimi vekalitesi yönünden tescil için hazırlanması gerektiği düşünülmektedir.

Yeni tritikale hatlarında ot verim ve kalite özelliklerinde varyasyon

Objectives of the present study are to determine the variations in forage yield and quality of new triticale lines developedby cross-breeding methods and to develop better lines with superior characteristics over the current ones. Experimentswere carried out in randomized complete block design with 3 replications during the cropping years of 2011-2012 and2012-2013. A total of 5 cultivar and 20 lines were used as the plant material of the experiments. Genotypes were harvestedat milk stage and their herbage yield, hay yield, crude protein yield and chemical composition were investigated. Two-years average results revealed that herbage yields varied between 36.44-48.47 t ha -1 , hay yields between 12.77-18.68 t ha -1, crude protein yields between 1.02-1.80 t ha -1 , acid detergent fber (ADF) between 32.92-44.63%, neutral detergentfber (NDF) between 63.72-78.47%, crude ash ratios between 5.06-7.87%, crude protein content between 6.21-11.36%,dry matter digestibility (DDM) between 54.14-63.25%, dry matter intake (DMI) between 1.528-1.881 and relativefeed value (RFV) between 64.18-89.31. Current results revealed superior characteristics for new triticale genotypesdeveloped with cross-breeding over the current standard lines with regard to investigated parameters. It was concludedthat cross-breeding yielded positive outcomes and therefore, currently investigated high-yield and quality lines shouldbe prepared for registration.

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