Development of a Multipurpose Core Collection of New Promising Iranian Pomegranate (<i>Punica granatum</i> L.) Genotypes Based on Morphological and Pomological Traits

Establishment of a core collection, of limited size and better representation of the whole germplasm phenotypic diversity, is fundamental for fruit tree breeding programs from an economic and management points of view. To achieve this goal with pomegranate fruit trees, 221 genotypes were evaluated f...

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Main Authors: Sara Razi, Ali Soleimani, Mehrshad Zeinalabedini, Mohammad Reza Vazifeshenas, Pedro Martínez-Gómez, Asghar Mohsenzade Kermani, Ahmad Reza Raiszadeh, Mostafa Tayari, Pedro José Martínez-García
Format: Article
Language:English
Published: MDPI AG 2021-10-01
Series:Horticulturae
Subjects:
Online Access:https://www.mdpi.com/2311-7524/7/10/350
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author Sara Razi
Ali Soleimani
Mehrshad Zeinalabedini
Mohammad Reza Vazifeshenas
Pedro Martínez-Gómez
Asghar Mohsenzade Kermani
Ahmad Reza Raiszadeh
Mostafa Tayari
Pedro José Martínez-García
author_facet Sara Razi
Ali Soleimani
Mehrshad Zeinalabedini
Mohammad Reza Vazifeshenas
Pedro Martínez-Gómez
Asghar Mohsenzade Kermani
Ahmad Reza Raiszadeh
Mostafa Tayari
Pedro José Martínez-García
author_sort Sara Razi
collection DOAJ
description Establishment of a core collection, of limited size and better representation of the whole germplasm phenotypic diversity, is fundamental for fruit tree breeding programs from an economic and management points of view. To achieve this goal with pomegranate fruit trees, 221 genotypes were evaluated for 25 morphological and pomological traits during two successive years. Using the maximization strategy in Power Core software, 12 out of 221 pomegranate genotypes were selected for the new core collection, reducing the population size to 5.42% of the entire collection. Variance difference (VD%) and mean difference (MD%) were calculated as 42.68% and 7.03% in core collection, respectively. This indicates an excellent diversity amongst genotypes within the core collection. The Shannon’s diversity index (<i>H</i>′) in the formed collection suggested that 19 out of 25 phenotypic variables were of high diversity. Results showed that core collection genotypes are equally presented in all three population groups formed by cluster analysis through the original collection. The current research is the first in using phenotypic data to establish a core collection of Iranian pomegranate germplasm. The formation of this core collection will be an effective step towards examining the diversity of the original population and breeding prospects.
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spelling doaj.art-afe7be8bb9f24ce3b1bafe38933223a62023-11-22T18:26:54ZengMDPI AGHorticulturae2311-75242021-10-0171035010.3390/horticulturae7100350Development of a Multipurpose Core Collection of New Promising Iranian Pomegranate (<i>Punica granatum</i> L.) Genotypes Based on Morphological and Pomological TraitsSara Razi0Ali Soleimani1Mehrshad Zeinalabedini2Mohammad Reza Vazifeshenas3Pedro Martínez-Gómez4Asghar Mohsenzade Kermani5Ahmad Reza Raiszadeh6Mostafa Tayari7Pedro José Martínez-García8Department of Horticulture, Faculty of Agriculture, University of Zanjan, Zanjan 45371-38791, IranDepartment of Horticulture, Faculty of Agriculture, University of Zanjan, Zanjan 45371-38791, IranDepartment of Systems and Synthetic Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research, Education and Extension Organization (AREEO), Karaj 31359-33151, IranAgriculture and Natural Resources Research Center of Yazd, Agricultural Research, Education and Extension Organization (AREEO), Yazd 89165-571, IranDepartment of Plant Breeding, CEBAS-CSIC, P.O. Box 164, Espinardo, E-30100 Murcia, SpainDepartment of Plant Production, Organization Agriculture, Isfahan 81746-79611, IranDepartment of Plant Production, Organization Agriculture, Isfahan 81746-79611, IranDepartment of Plant Production, Organization Agriculture, Isfahan 81746-79611, IranDepartment of Plant Breeding, CEBAS-CSIC, P.O. Box 164, Espinardo, E-30100 Murcia, SpainEstablishment of a core collection, of limited size and better representation of the whole germplasm phenotypic diversity, is fundamental for fruit tree breeding programs from an economic and management points of view. To achieve this goal with pomegranate fruit trees, 221 genotypes were evaluated for 25 morphological and pomological traits during two successive years. Using the maximization strategy in Power Core software, 12 out of 221 pomegranate genotypes were selected for the new core collection, reducing the population size to 5.42% of the entire collection. Variance difference (VD%) and mean difference (MD%) were calculated as 42.68% and 7.03% in core collection, respectively. This indicates an excellent diversity amongst genotypes within the core collection. The Shannon’s diversity index (<i>H</i>′) in the formed collection suggested that 19 out of 25 phenotypic variables were of high diversity. Results showed that core collection genotypes are equally presented in all three population groups formed by cluster analysis through the original collection. The current research is the first in using phenotypic data to establish a core collection of Iranian pomegranate germplasm. The formation of this core collection will be an effective step towards examining the diversity of the original population and breeding prospects.https://www.mdpi.com/2311-7524/7/10/350genetic resourcephenotypic diversitygermplasm conservationbreeding program
spellingShingle Sara Razi
Ali Soleimani
Mehrshad Zeinalabedini
Mohammad Reza Vazifeshenas
Pedro Martínez-Gómez
Asghar Mohsenzade Kermani
Ahmad Reza Raiszadeh
Mostafa Tayari
Pedro José Martínez-García
Development of a Multipurpose Core Collection of New Promising Iranian Pomegranate (<i>Punica granatum</i> L.) Genotypes Based on Morphological and Pomological Traits
Horticulturae
genetic resource
phenotypic diversity
germplasm conservation
breeding program
title Development of a Multipurpose Core Collection of New Promising Iranian Pomegranate (<i>Punica granatum</i> L.) Genotypes Based on Morphological and Pomological Traits
title_full Development of a Multipurpose Core Collection of New Promising Iranian Pomegranate (<i>Punica granatum</i> L.) Genotypes Based on Morphological and Pomological Traits
title_fullStr Development of a Multipurpose Core Collection of New Promising Iranian Pomegranate (<i>Punica granatum</i> L.) Genotypes Based on Morphological and Pomological Traits
title_full_unstemmed Development of a Multipurpose Core Collection of New Promising Iranian Pomegranate (<i>Punica granatum</i> L.) Genotypes Based on Morphological and Pomological Traits
title_short Development of a Multipurpose Core Collection of New Promising Iranian Pomegranate (<i>Punica granatum</i> L.) Genotypes Based on Morphological and Pomological Traits
title_sort development of a multipurpose core collection of new promising iranian pomegranate i punica granatum i l genotypes based on morphological and pomological traits
topic genetic resource
phenotypic diversity
germplasm conservation
breeding program
url https://www.mdpi.com/2311-7524/7/10/350
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