Published April 11, 2022 | Version v1
Dataset Open

Gene flow between wild trees and cultivated varieties shapes the genetic structure of sweet chestnut (Castanea sativa Mill.) populations

Authors/Creators

  • 1. Department of Forestry, Institute of Forest Genetics, Dendrology and Botany, Faculty of Forestry and Wood Technology, University of Zagreb, 10000 Zagreb, Croatia
  • 2. Department for Seed Science and Technology, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia
  • 3. Department of Biology, Faculty of Science, University of Zagreb, 10000 Zagreb, Croatia

Description

The sweet chestnut orchards (Castanea sativa Mill.) are traditionally planted in the northern Adriatic region. This study investigates their population structure, as well as the genetic background of three toponymous clonal varieties. Six genomic simple sequence repeat (gSSR) and nine EST-derived SSR (EST-SSR) loci were utilized in this study. We have identified five closely related clones, which represent a singular, polyclonal marron variety, found in all three cultivation areas, acompanied by many hybrids, resulting from the breeding between cultivated and wild chestnuts. 

Notes

This research was funded by Croatian Science Foundation (grant number IP-2018-01-1295), the Swiss Enlargement Contribution in the framework of the Croatian-Swiss Research Programme (project number IZHRZ0_180651), and University of Zagreb financial support.

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