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The Effect of Nitrogen Rates on Harmonization Ratio of Bread Wheat Cultivars

Journal Name:

  • Kahramanmaraş Sütçü İmam Üniversitesi Doğa Bilimleri Dergisi

Publication Year:

  • 2011

Key Words:

Keywords (Original Language):

Author NameUniversity of AuthorFaculty of Author
Abstract (2. Language): 
Bu çal.mada vejetatif periyot (VP) ile tane dolum periyodu (TDP) aras.ndaki dengeyi (uyum indeksi, UĐ) ekmeklik buğday çeitleri (Seri-82, Genç-99 ve Golia) ve azot dozunun (50, 100, 150, 200 ve 250 kg N ha -1 ) bu denge değerine etkisini termal zamanlara göre değerlendirilmesi amaçlanm.t.r. Arat.rmada, VP, TDP, ekim olgunlama süresi (EOS), UĐ değeri ve tane verimi (TV) arat.r.lm. ve bu özellikler aras.ndaki ilikileri belirlemek için korelasyon katsay.lar. kullan.lm.t.r. Uyum indeksi değerleri, y.llar, çeitler ve azot dozlar. bak.m.ndan önemli derecede farkl. bulunmutur. Y.llar aras.nda en yüksek UĐ değeri (0.419) ve yüksek TV (7592.5 kg ha -1 ) 2001-02 ürün y.l.ndan elde edilirken, 2000-01 ürün y.l.nda daha düük UĐ değeri (0.366) ve daha düük TV (6584 kg ha -1 ) elde edilmitir. Arat.rmada elde edilen verilere göre ortalama UĐ değeri ise 0.393 olarak hesaplanm.t.r. Çeitler TV bak.m.ndan istatistiki olarak farkl. bulunmazken, UĐ bak.m.ndan önemli derecede farkl. bulunmulard.r. Bununla birlikte, hem UĐ hem de TV değerlerinin ortalama değerlere yak.n olduğu da tespit edilmitir. Bütün incelenen özellikler azot dozlar. ile birlikte art. göstermitir. En yüksek TV 150 kg ha -1 azot seviyesinden 7402 kg ha -1 elde edilirken, bu azot seviyesinde UĐ değeri 0.392 olarak belirlenmi ve bu değer ortalama UĐ (0.393) değerine yak.n bir değer olmutur. En düük TV ise 50 kg ha -1 azot dozu seviyesinden 6763 kg ha -1 elde edilirken, bu azot dozu seviyesinde uyum indeksi değeri de (0.369) düük olmutur.
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Abstract (Original Language): 
The aim of this study was to evaluate the balance (harmonization ratio, HR) between vegetative period (VP) and grain filling period (GFP) based on thermal times for bread wheat cultivars (Seri-82, Genc-99 and Golia), and the effect of nitrogen rates (50, 100, 150, 200 and 250 kg N ha -1 ) on this balance value. In the experiment, VP, GFP, days to maturity (DM), HR value and grain yield (GY) were evaluated and correlation coefficients were used to determine the relationships between these traits. HR values were significantly different for years, cultivars and nitrogen rates. Between the years, the highest HR value (0.419) and higher GY (7592.5 kg ha -1 ) were obtained in 2001-02 cropping year compared to 2000-01 cropping year with lower HR value (0.366) and less GY (6584 kg ha -1 ). Mean HR value was also calculated as 0.393 over all experiment data. However, cultivars were not significantly different for GY, while they were significantly different for HR value. However, both HR values and GY were around the mean values. All investigated traits were increased by nitrogen rates. The highest GY was obtained from 150 kg N ha -1 level with 7402 kg ha -1 , at this level HR value was 0.392 and it was almost equal to mean HR value (0.393) which was calculated over all the experiment data. The lowest GY was also obtained from 50 kg N ha -1 level with 6763 kg ha -1 GY, at this level HR was also lowest (0.369).
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  • 1
16-22
  • Turkish

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