Mustafa SÜRMEN, Tamer YAVUZ, Sebahattin ALBAYRAK

Orta Karadeniz Bölgesi Sahil Kuşağında Bazı Çayır Üçgülü (Trifolium pratense L.) Hatlarının Verim ve Kalite Özelliklerinin Belirlenmesi

Bu çalışmanın amacı, çayır üçgülü (Trifolium pratense L.) varyetelerinin bir vejetasyon dönemi boyunca yem üretimi ve kalitesindeki değişiklikleri saptamaktır. Toplam onbir çayır üçgülü varyetesi, yarı kardeş aile selek- siyon ıslahı yöntemi kullanılarak geliştirilmiştir. Deneme 3 tekerrürlü tesadüf blokları deneme desenine göre 2009 yılında Samsun’da kurulmuş, 2010 ve 2011 yıllarında da bitkilerin uygun vejetatif gelişme dönemlerinde üç biçim yapılmıştır. Kuru madde (KM) verimi, ham protein (HP), nötral deterjan lif (NDF), asit deterjan lif (ADF) ve nispi yem değeri (RFV) düzeyleri ölçülmüştür. En yüksek ortalama kuru madde verimi 4 nolu hattan (11.45 t ha-1) elde edilmiş ve bunu sırasıyla 7, 5, 8 ve 2 nolu hatlar (10.68, 10.41, 9.90 ve 9.82 t ha-1) takip etmiştir. En düşük ADF (295-305 g kg-1) ve NDF (398-401 g kg-1) oranı 2, 4, 7, 8 ve 11 nolu hatlardan elde edilmiştir. Aynı hatların yüksek ham protein oranı (183-197 g kg-1) ihtiva ettiği belirlenmiştir. Çayır üçgülü hatlarının nispi yem değerleri 127 ile 156 arasında değişmiştir. Sonuçta, 2, 4, 5, 7, 8 ve 11 nolu çayır üçgülü hatları bölge verim şartlarında test edilmek için seçilmiştir.

Anahtar Kelimeler:

Ham protein, kuru madde verimi, yem kalitesi, çayır üçgülü

Yield and forage quality of red clover (Trifolium pratense L.) varieties in Black Sea Coastal Area of Turkey

The aim of the present study was to determine the changes in the forage yield and quality of red clover (Trifolium pratense L.) varieties throughout a vegetation period. Total eleven red clover varieties were devel- oped by using to half sib family selection breeding method. Plots were established in 2009 in Samsun, Turkey, in a randomized complete block design with 3 replicates. Three cuttings were done during the 2010 and 2011 vegetative periods. The levels of crude protein content (CP), neutral detergent ber (NDF) rate, acid detergent ber (ADF) rate, and relative feed value (RFV) were determined. The highest average dry matter (DM) yields were obtained from the number of 4, 7, 5, 8 and 2 varieties (11.45, 10.68, 10.41, 9.9 and 9.82 t ha–1, respectively). Varieties 2, 4, 7, 8, and 11 exhibited the lowest ADF (295-305 g kg–1) and NDF (398-401 g kg–1) concentrations. Same varieties displayed the highest CP content (183-197 g kg–1). The RFV of the red clover varieties ranged from 127 to 156. The results indicated that 2, 4, 5, 7, 8 and 11 numbered red clover varieties were selected to test in region yield experience.

Keywords:

Crude protein content, dry matter yield, forage quality, red clover,

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