Carthamus tinctorius L. türüne ait bazı hat ve çeşitlerin karyotip analizi

Abstract

Bu çalışmada 31 Aspir (Carthamus tinctorius L.) çeşidine ait kromozom sayıları ve karyomorfolojileri araştırılmıştır. Kromozom sayımları, Carthamus'un aynı temel kromozom sayılarına sahip olduğunu gösteren daha önceki raporları doğrulamıştır. Elde edilen sonuçlara göre, kromozom sayıları tüm çeşitler için 2n = 24, x = 12 olarak tanımlanmış ve aynı zamanda tümünün diploid kromozom sayısına sahip oldukları bulunmuştur. Karyotiplerde metasentrik ve submetasentrik olan kromozomların baskın olduğu tespit edilmiştir. Tüm çeşitleri karyolojik açıdan değerlendirmek ve C. tinctorius çeşitleri arasındaki kromozomal değişikliklerini aydınlatmak için beş adet kantitatif asimetri indeksi kullanılmıştır. Tüm karyotip analizleri ilk kez bu raporda KAMERAM programı ile tanımlanmıştır. Çalışmada elde edilen bulguların Carthamus türünün genetik ve ıslah çalışmalarına katkıda bulunmasını umuyoruz.

Keywords

• Aspir
• Karyomorfoloji
• Asteraceae

Karyotype analysis of some lines and varieties belonging to Carthamus tinctorius L. species

Abstract

In this paper, karyology of thirty one accessions of Safflower (Carthamus tinctorius L.) were investigated in terms of their chromosome numbers and karyomorphology. The chromosomal counts confirmed the results of previous reports, that the Carthamus has same basic chromosome numbers. According to our results discussed all accessions of chromosome numbers have been identified 2n = 24, x=12 and also all have the diploid number of chromosomes. We found predominance of chromosomes being metacentric and sub-metacentric in karyotypes. Five quantitative asymmetry indices were used to evaluate our karyological results in all species and elucidate the chromosomal alterations of Carthamus tinctorius accessions. All karyotyping analyses were described for the first time in this report via KAMERAM programme. We hope that these findings would be contributed for Carthamus genetic and breeding studies.

Keywords

• Safflower
• karyomorphology
• Asteraceae

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