Yasemin ABUŞ, Süleyman AVCI

379

Türkiye'de Doğal Olarak Yetişen Hymenobrychis Seksiyonuna Ait Bazı Onobrychis Taksonlarının Karyolojik Özellikleri

Bu çalışmada, altı Onobrychis taksonunun [Onobrychis tournefortii (Willd.) Desv., Onobrychis albiflora HubMor., Onobrychis hypargyrea Boiss., Onobrychis radiata (Desf.) Bieb., Onobrychis meschetica Grossh. ve Onobrychis galegifolia Boiss.] kromozom sayıları ve morfolojileri ezme preparat yöntemi ile araştırılmıştır. Türkiye'de doğal olarak yetişen ve iki tanesi endemik olan bu taksonlar, Hymenobrychis seksiyonuna dahildir. Bu çalışmayla, Onobrychis meschetica taksonunda ilk kez karyotip analizi yapılmıştır. Taksonların mitotik metafaz ve temel kromozom sayıları sırasıyla, 2n = 14 ve x = 7 olarak belirlenmiştir. Kromozomlar, sentromer pozisyonuna göre median özellikten submediana kadar farklılık göstermiştir. O. meschetica dışında, incelenen tüm taksonlar genellikle birinci ve dördüncü kromozom üzerinde bir satalit içermektedir.

Karyological Properties of Some Onobrychis Taxa Belonging to A Hymenobrychis Section Growing Naturally in Turkey

In this study, chromosome numbers and morphologies of six Onobrychis taxa [Onobrychis tournefortii(Willd.) Desv., Onobrychis albiflora Hub-Mor., Onobrychis hypargyrea Boiss., Onobrychis radiata (Desf.) Bieb.,Onobrychis meschetica Grossh, and Onobrychis galegifolia Boiss.] were investigated with the squash preparationmethod. These taxa belong to the Hymenobrychis section, including two endemic species naturally grown inTurkey. First, karyotype analysis of the Onobrychis meschetica was performed. Then mitotic metaphase and basicchromosome numbers of the taxa were determined in 2n=14 and x= 7, respectively. Chromosomes showeddifferences as median to submedian according to centromer position. Except O. meschetica, all of the taxagenerally included a satelite on chromosome I or IV.
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Gaziosmanpaşa Üniversitesi Ziraat Fakültesi Dergisi-Cover
  • ISSN: 1300-2910
  • Yayın Aralığı: Yılda 3 Sayı
  • Başlangıç: 1985
  • Yayıncı: Tokat Gaziosmanpaşa Üniversitesi Ziraat Fakültesi Dergisi Yayın Ofisi
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