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Estimation of genetic diversity using SSR markers in sunflower |
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| Authors: | Z. U. Zia H. A. Sadaqat M. H. N. Tahir B. Sadia B. S. Bushman D. Hole L. Michaels W. Malik |
| Affiliation: | 1. Department of Plant Breeding and Genetics, University of Agriculture, Faisalabad, Pakistan 2. Center of Agriculture Biotechnology and Biochemistry, University of Agriculture, Faisalabad, Pakistan 3. Forage and Range Research Lab, Utah State University, Logan, UT, Utah, 84322-6300, USA 4. Plant Breeding/Genetics, Utah State University, Logan, UT, Utah, 84322-2325, USA 5. Department of Plant Breeding and Genetics, Bahauddin Zakariya University, Multan, Pakistan |
| Abstract: | Microsatellites or simple sequence repeats (SSRs) were used for the estimation of genetic diversity among a group of 40 sunflower lines developed at the research area of Department of Plant Breeding and Genetics, University of Agriculture, Faisalabad. Total numbers of alleles amplified by 22 polymorphic primers were 135 with an average of 6.13 alleles per locus, suggesting that SSR is a powerful technique for assessment of genetic diversity at molecular level. The expected heterozygosity (PIC) ranged from 0.17 to 0.89. The highest PIC value was observed at the locus C1779. The genetic distances ranged from 9% to 37%. The highest genetic distance was observed between the lines L50 and V3. Genetic distances were low showing lesser amount of genetic diversity among the sunflower lines. |
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