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SCoT molecular markers and genetic fingerprinting of date palm (Phoenix dactylifera L.) cultivars

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Abstract

Phoenix dactylifera L. has about 400 date palm cultivars in Iran with very confined information on their genetic structure and content. Up to now, our date palm cultivation has been based on traditional approached and therefore we need to move towards modern approaches of molecular breeding and biotechnology. The present study was performed on 113 date palm trees of 13 known cultivars, cultivated in different regions of Iran. We used SCoT molecular marker for our genetic investigation with the following aims: 1—Investigate genetic diversity both among and with date palm cultivars, 2—Identify genetic groups within these 13 cultivars, and 3—produce data on the genetic structure of date palm cultivars. The results obtained revealed a high within-population genetic variability. The studied cultivars differed genetically as evidenced by analysis of molecular variance and Fst values obtained in STRUCTURE analysis. Gene flow and genetic admixture were observed among date palm cultivars. No association occurred between geographical distance and genetic distance of date palm populations studied. The results indicated the efficiency of SCoT markers in genetic diversity analysis and genetic fingerprinting of date palms. Similarly, data obtained may be used in future breeding and hybridization programs of Iranian date palms.

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Data archiving statement

All tree samples used in this research are being archived in Herbarium of Shahid Beheshti University, Tehran, Iran. The accession numbers will be supplied once available.

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Acknowledgements

We acknowledge Science and Research Branch, Islamic Azad University for providing laboratory. We thank the Iran National Science Foundation (INSF), for partial financial support of this project (No. 97010700).

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Authors and Affiliations

  1. Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran

    Somayeh Saboori & Zahra Noormohammadi

  2. Faculty of Biological Sciences and Technology, Shahid Beheshti University, Tehran, Iran

    Masoud Sheidai

  3. Date Palm & Tropical Fruits Research Center, Horticultural Sciences Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Ahwaz, Iran

    SeyyedSamih Marashi

Authors
  1. Somayeh Saboori
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  2. Zahra Noormohammadi
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  3. Masoud Sheidai
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  4. SeyyedSamih Marashi
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Contributions

ZN: conceptualization of the project; MSh: analyses of data; SS: data collection and lab work; SM: providing samples; ZN, MSh SM and SS project design

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Correspondence to Zahra Noormohammadi.

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Saboori, S., Noormohammadi, Z., Sheidai, M. et al. SCoT molecular markers and genetic fingerprinting of date palm (Phoenix dactylifera L.) cultivars. Genet Resour Crop Evol 67, 73–82 (2020). https://doi.org/10.1007/s10722-019-00854-x

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  • DOI: https://doi.org/10.1007/s10722-019-00854-x

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