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Open AccessArticle

Genetic Characterization of Apulian Olive Germplasm as Potential Source in New Breeding Programs

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Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, 70121 Bari, Italy
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Research Centre for Cereal and Industrial Crops, (CREA-CI), S.S. 71122 Foggia, Italy
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Department of Agricultural and Environmental Sciences, University of Bari Aldo Moro, 70121 Bari, Italy
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CNR Institute of Sciences of Food Production, Unit of Lecce, 73100 Lecce, Italy
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Banque Nationale de Gènes, Charguia 1, Tunis 1080, Tunisia
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Institut de l’Olivier, Route de l’aéroport, BP 1087, Sfax 3000, Tunisia
*
Authors to whom correspondence should be addressed.
Plants 2019, 8(8), 268; https://doi.org/10.3390/plants8080268
Received: 26 June 2019 / Revised: 30 July 2019 / Accepted: 31 July 2019 / Published: 5 August 2019
(This article belongs to the Section Plant Genetics and Genomics)
The olive is a fruit tree species with a century-old history of cultivation in the Mediterranean basin. In Apulia (Southern Italy), the olive is of main social, cultural and economic importance, and represents a hallmark of the rural landscape. However, olive cultivation in this region is threatened by the recent spread of the olive quick decline syndrome (OQDS) disease, thus there is an urgent need to explore biodiversity and search for genetic sources of resistance. Herein, a genetic variation in Apulian olive germplasm was explored, as a first step to identify genotypes with enhanced bio-agronomic traits, including resistance to OQDS. A preselected set of nuclear microsatellite markers allowed the acquisition of genotypic profiles, and to define genetic relationships between Apulian germplasm and widespread cultivars. The analysis highlighted the broad genetic variation in Apulian accessions and the presence of different unique genetic profiles. The results of this study lay a foundation for the organization of new breeding programs for olive genetic improvement. View Full-Text
Keywords: olive; SSR; genetic diversity; population structure; olive breeding olive; SSR; genetic diversity; population structure; olive breeding
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Sion, S.; Taranto, F.; Montemurro, C.; Mangini, G.; Camposeo, S.; Falco, V.; Gallo, A.; Mita, G.; Saddoud Debbabi, O.; Ben Amar, F.; Pavan, S.; Roseti, V.; Miazzi, M.M. Genetic Characterization of Apulian Olive Germplasm as Potential Source in New Breeding Programs. Plants 2019, 8, 268.

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