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| Content Provider | Springer Nature Link |
|---|---|
| Author | Kimani, Muigai Paul Cheruiyot, Erick Kimutai Owuoche, James Otieno Wachira, Francis Nyamu Kimani, Esther |
| Copyright Year | 2014 |
| Abstract | The genetic diversity of 65 accessions of sorghum [Sorghum bicolor (L.) Moench] collected from various farmers and germplasm lines from ICRISAT-Kenya were analyzed. Simple sequence repeats (SSR) markers were used in order to determine the extent and distribution of its genetic diversity. Twenty-nine (29) SSRs markers were polymorphic and a total of 192 alleles were detected which showed diversity. The number of alleles per primer ranged from 2 to 17, with an average of 6.62. The range of polymorphism information content (PIC) ranged from 0.03 to 0.86, with total average of 0.82. According to the results analyzed, estimates of the mean allelic pattern across the two populations was generated; expected heterozygosity (He; 0.45, 0.54), average observed alleles (Na; 3.40, 6.20), number of private allele (0.23, 3.03), and Shannon information index (I; 0.85, 1.13) for farmer and ICRISAT-Kenya germplasm, respectively. The expected heterozygosity (He) varied from 0 to 0.26 with an average of 0.05. The Neighbor-joining phenogram based on Nei’s genetic distance grouped the 65 accessions into three main groups. The analysis of molecular variance (AMOVA) revealed that 99% of the total genetic variation was within accessions in a population whereas the genetic variation among populations in accessions accounted for 1% of the total genetic variation. Genetic diversity in ICRISAT sorghum material compared to the farmer’s collection suggested little infiltration of improved germplasm to the farmers. |
| Starting Page | 97 |
| Ending Page | 102 |
| Page Count | 6 |
| File Format | |
| ISSN | 19759479 |
| Journal | Journal of Crop Science and Biotechnology |
| Volume Number | 17 |
| Issue Number | 2 |
| e-ISSN | 20058276 |
| Language | English |
| Publisher | The Korean Society of Crop Science |
| Publisher Date | 2014-06-24 |
| Publisher Place | Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | accession farmers genetic diversity sorghum SSR markers Plant Sciences Plant Genetics & Genomics Plant Pathology Plant Physiology Biotechnology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Plant Science Biotechnology Agronomy and Crop Science |
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