Sclavounos, A and Roussos, P and Milla, S and Kostas, P and Samaras, Y and Pozzi, C and Chitikineni, A and Varshney, R K and Voloudakis, A (2022) Genetic diversity of fig (Ficus carica L.) germplasm from the Mediterranean basin as revealed by SSR markers. Genetic Resources and Crop Evolution, 70. pp. 1395-1406. ISSN 1573-5109
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Fig (Ficus carica L.) tree is cultivated worldwide and is highly appreciated for its fruit, which is consumed fresh or dried, having high nutritional and pharmaceutical value and for these reasons there is an increasing interest for its cultivation. In the present study, an ex situ collection of 60 fig accessions (41 indigenous Greek and 19 from other Mediterranean countries) was established and its diversity was analyzed using eight simple sequence repeat (SSR) loci. Greek fig genotypes showed relatively low allelic variation (the average number of SSR alleles per locus was 3.75), an excess of heterozygosity (mean He = 0.489 and Ho = 0.557), and extensive outbreeding (mean F index − 0.151). Cluster analysis showed that the established fig population exhibited weak genetic structure, with most of the genetic variation (89%) being present within individual members of the clusters. Both cluster and principal coordinate analysis confirmed that there is little correlation between genetic makeup and geographical origin of the fig accessions. Polymorphism information content with an average of 0.421 was reasonably informative. An identification key scheme for fig cultivars that will be useful in cultivar discrimination and intellectual property protection was developed. This work will contribute to a sustainable fig production regionally and worldwide, through the establishment and conservation of a reference fig collection, providing germplasm for future breeding efforts.
| Item Type: | Article |
|---|---|
| Divisions: | Center of Excellence in Genomics and Systems Biology |
| CRP: | UNSPECIFIED |
| Uncontrolled Keywords: | Ficus carica, Genetic diversity, Genetic resources, Microsatellite, Molecular marker, Genotyping |
| Subjects: | Others > Molecular Biology Others > Genetics and Genomics |
| Depositing User: | Mr Nagaraju T |
| Date Deposited: | 30 Oct 2023 10:59 |
| Last Modified: | 30 Oct 2023 10:59 |
| URI: | http://oar.icrisat.org/id/eprint/12259 |
| Official URL: | https://link.springer.com/article/10.1007/s10722-0... |
| Projects: | UNSPECIFIED |
| Funders: | UNSPECIFIED |
| Acknowledgement: | UNSPECIFIED |
| Links: |
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