Yıl: 2012 Cilt: 17 Sayı: 2 Sayfa Aralığı: 139 - 144 Metin Dili: İngilizce İndeks Tarihi: 29-07-2022

Genetic diversity of diploid and tetraploid cottons determined by ssr and issr markers

Öz:
Cotton as an annual crop is mainly grown for its fiber and oil in the seed. Determining genetic diversity in the germplasm is the first step of plant breeding. This study aimed to determine genetic diversity for diploid and tetraploid cotton genotypes grown in different parts of the world. SSR (Simple Sequence Repeats) and ISSR (Inter Simple Sequence Repeats) markers were used to determine genetic relationships among Gossypium species and genotypes. Using 39 SSR and 5 ISSR markers, 173 alleles (averaging 3.93 alleles per locus) were produced from 25 cotton genotypes. Out of 173 alleles, 155 (89.60%) were polymorphic among the genotypes and polymorphic information content (PIC) values were between 0.0040 and 0.9993 averaging 0.4396. Genetic diversity ranged from 0.04 to 0.58 among all the genotypes inspected. This ratio was 0.04-0.23 within G. hirsutum L. and 0.07-0.26 within G. barbadense L. species. Out of these two species, genetic diversity ranged from 0.23 to 0.57 among other diploid and tetraploid species. Genetic diversity was low within commercial cultivars that are also frequently used in breeding programs (0.08-0.20). It is advisable to use wild type cottons to increase present genetic diversity in germplasm pools to have a better chance for the selection of the desired traits.
Anahtar Kelime: chromosome number Gossypium barbadense genetic diversity simple sequence repeats genes Gossypium cotton alleles genetic markers Gossypium hirsutum chromosomes tetraploidy diploidy wild relatives germplasm

Konular: Ziraat Mühendisliği
Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık
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APA BARDAK A, BÖLEK Y (2012). Genetic diversity of diploid and tetraploid cottons determined by ssr and issr markers. , 139 - 144.
Chicago BARDAK ADEM,BÖLEK Yüksel Genetic diversity of diploid and tetraploid cottons determined by ssr and issr markers. (2012): 139 - 144.
MLA BARDAK ADEM,BÖLEK Yüksel Genetic diversity of diploid and tetraploid cottons determined by ssr and issr markers. , 2012, ss.139 - 144.
AMA BARDAK A,BÖLEK Y Genetic diversity of diploid and tetraploid cottons determined by ssr and issr markers. . 2012; 139 - 144.
Vancouver BARDAK A,BÖLEK Y Genetic diversity of diploid and tetraploid cottons determined by ssr and issr markers. . 2012; 139 - 144.
IEEE BARDAK A,BÖLEK Y "Genetic diversity of diploid and tetraploid cottons determined by ssr and issr markers." , ss.139 - 144, 2012.
ISNAD BARDAK, ADEM - BÖLEK, Yüksel. "Genetic diversity of diploid and tetraploid cottons determined by ssr and issr markers". (2012), 139-144.
APA BARDAK A, BÖLEK Y (2012). Genetic diversity of diploid and tetraploid cottons determined by ssr and issr markers. Turkish Journal of Field Crops, 17(2), 139 - 144.
Chicago BARDAK ADEM,BÖLEK Yüksel Genetic diversity of diploid and tetraploid cottons determined by ssr and issr markers. Turkish Journal of Field Crops 17, no.2 (2012): 139 - 144.
MLA BARDAK ADEM,BÖLEK Yüksel Genetic diversity of diploid and tetraploid cottons determined by ssr and issr markers. Turkish Journal of Field Crops, vol.17, no.2, 2012, ss.139 - 144.
AMA BARDAK A,BÖLEK Y Genetic diversity of diploid and tetraploid cottons determined by ssr and issr markers. Turkish Journal of Field Crops. 2012; 17(2): 139 - 144.
Vancouver BARDAK A,BÖLEK Y Genetic diversity of diploid and tetraploid cottons determined by ssr and issr markers. Turkish Journal of Field Crops. 2012; 17(2): 139 - 144.
IEEE BARDAK A,BÖLEK Y "Genetic diversity of diploid and tetraploid cottons determined by ssr and issr markers." Turkish Journal of Field Crops, 17, ss.139 - 144, 2012.
ISNAD BARDAK, ADEM - BÖLEK, Yüksel. "Genetic diversity of diploid and tetraploid cottons determined by ssr and issr markers". Turkish Journal of Field Crops 17/2 (2012), 139-144.