Journal of Plant Genetics and Breeding
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  • Research Article   
  • J Plant Genet Breed 2022, Vol 6(4): 125

Genetic Diversity and Population Structure of Date Palm (Phoenix dactylifera L.) Germplasm from Iran using ISSR Assay

Fatemeh Khorshidi1, Sayed Mohammad Reza Khoshroo2*, Javad Farrokhi Toolir3 and Bahareh Damankeshan4
1Ph.D. Student of Plant Physiology, Department of Biology, Kerman Branch, Islamic Azad University, Kerman, Iran
2Assistant Professor, Department of Biology, Kerman Branch, Islamic Azad University, Kerman, Iran
3Asistant professor., Kerman Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Kerman, Iran
4Scientific board member of Horticulture Crops Research Department, Kerman Agricultural and Natural Resources Research and Education Center, (AREEO), Kerman, Iran
*Corresponding Author : Sayed Mohammad Reza Khoshroo, Assistant Professor, Department of Biology, Kerman Branch, Islamic Azad University, Kerman, Iran, Email: khoshroo@iauk.ac.ir

Received Date: Jun 27, 2022 / Accepted Date: Jul 23, 2022 / Published Date: Jul 25, 2022

Abstract

Date palm is an important fruit crop cultivated mainly in arid and semiarid regions. The DNA polymorphism among 69 selected Iranian native genotypes belonging to six origin groups and 1 Moroccan genotype was assessed using 10 inter simple sequence repeat (ISSR) primers. Results revealed high genetic variability among studied genotypes. Of the 65 known loci, 46 were polymorphic. Polymorphism information content (PIC) values varied from (6–30 %) with an average 19.4 %,. High number of alleles (Na=1.67), Effective alleles (Ne=1.49), Shanon information index (I=0.40), and polymorphic loci (P= 67.69 %) were detected in “Kerman” population. Based on Nei`s genetic identity, each of the regions of “Morocco”, “Fars” and “Bushehr” populations were located in separate groups, but the rest of the populations were located in the same one. Structure analysis of the studied association panel manifested sevev subpopulations and there was no connection between these subpopulations and their geographical distribution. Likewise, most studied date palm genotypes have mixed genotypes related to their common genetic background. Our finding showed that ISSR markers could recognize male stocks of date palm that are important in crossing programs. This research addresses a more comprehensive picture of Iran's date palms genetic variability and structure. This studied panel can apply parental selection for future breeding programs such as mating designs and mapping populations.

Citation: Khorshidi F, Khoshroo SMR, Toolir JF, Damankeshan B (2022) Genetic Diversity and Population Structure of Date Palm (Phoenix dactylifera L.) Germplasm from Iran using ISSR Assay. J Plant Genet Breed 6: 125.

Copyright: © 2022 Khorshidi F, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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