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Apulian Autochthonous Olive Germplasm: A Promising Resource to Restore Cultivation in Xylella fastidiosa -Infected Areas

Author

Listed:
  • Michele Antonio Savoia

    (Department of Soil: Plant and Food Sciences (DiSSPA), University of Bari Aldo Moro, 70126 Bari, Italy
    These authors contributed equally to this work.)

  • Valentina Fanelli

    (Department of Soil: Plant and Food Sciences (DiSSPA), University of Bari Aldo Moro, 70126 Bari, Italy
    These authors contributed equally to this work.)

  • Monica Marilena Miazzi

    (Department of Soil: Plant and Food Sciences (DiSSPA), University of Bari Aldo Moro, 70126 Bari, Italy)

  • Francesca Taranto

    (Institute of Biosciences and Bioresources (CNR-IBBR), 70126 Bari, Italy)

  • Silvia Procino

    (Department of Soil: Plant and Food Sciences (DiSSPA), University of Bari Aldo Moro, 70126 Bari, Italy
    Institute of Biosciences and Bioresources (CNR-IBBR), 70126 Bari, Italy)

  • Leonardo Susca

    (Department of Soil: Plant and Food Sciences (DiSSPA), University of Bari Aldo Moro, 70126 Bari, Italy)

  • Vito Montilon

    (Department of Soil: Plant and Food Sciences (DiSSPA), University of Bari Aldo Moro, 70126 Bari, Italy)

  • Oriana Potere

    (Department of Soil: Plant and Food Sciences (DiSSPA), University of Bari Aldo Moro, 70126 Bari, Italy)

  • Franco Nigro

    (Department of Soil: Plant and Food Sciences (DiSSPA), University of Bari Aldo Moro, 70126 Bari, Italy
    Centro di Ricerca, Sperimentazione e Formazione in Agricoltura “Basile Caramia” (CRSFA), Locorotondo, 70010 Bari, Italy)

  • Cinzia Montemurro

    (Department of Soil: Plant and Food Sciences (DiSSPA), University of Bari Aldo Moro, 70126 Bari, Italy
    SINAGRI S.r.l.—Spin Off of the University of Bari Aldo Moro, Via Giovanni Amendola 65/a, 70126 Bari, Italy)

Abstract

The olive tree ( Olea europaea subsp. europaea var. europaea ) represents the cornerstone crop of Apulian agriculture, which is based on the production of oil and table olives. The high genetic variability of the Apulian olive germplasm is at risk of genetic erosion due to social, economic, and climatic changes. Furthermore, since 2013, the spread of the Gram-negative bacterium Xylella fastidiosa subsp. pauca responsible for the olive quick decline syndrome (OQDS) has been threatening olive biodiversity in Apulia, damaging the regional economy and landscape heritage. The aim of this study was to investigate the differential response to X. fastidiosa infection in a collection of 100 autochthonous Apulian olive genotypes, including minor varieties, F1 genotypes, and reference cultivars. They were genotyped using 10 SSR markers and grown for 5 years in an experimental field; then, they were inoculated with the bacterium. Symptom assessments and the quantification of bacterium using a qPCR assay and colony forming units (CFUs) were carried out three and five years after inoculation. The study allowed the identification of nine putatively resistant genotypes that represent a first panel of olive germplasm resources that are useful both for studying the mechanisms of response to the pathogen and as a reserve for replanting in infected areas.

Suggested Citation

  • Michele Antonio Savoia & Valentina Fanelli & Monica Marilena Miazzi & Francesca Taranto & Silvia Procino & Leonardo Susca & Vito Montilon & Oriana Potere & Franco Nigro & Cinzia Montemurro, 2023. "Apulian Autochthonous Olive Germplasm: A Promising Resource to Restore Cultivation in Xylella fastidiosa -Infected Areas," Agriculture, MDPI, vol. 13(9), pages 1-19, September.
    • Handle: RePEc:gam:jagris:v:13:y:2023:i:9:p:1746-:d:1231765
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    References listed on IDEAS

    as
    1. Francesco Bozzo & Michel Frem & Vincenzo Fucilli & Gianluigi Cardone & Paolo Francesco Garofoli & Stefania Geronimo & Alessandro Petrontino, 2022. "Landscape and Vegetation Patterns Zoning Is a Methodological Tool for Management Costs Implications Due to Xylella fastidiosa Invasion," Land, MDPI, vol. 11(7), pages 1-19, July.
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    Cited by:

    1. Monica Marilena Miazzi & Antonella Pasqualone & Marion Zammit-Mangion & Michele Antonio Savoia & Valentina Fanelli & Silvia Procino & Susanna Gadaleta & Francesco Luigi Aurelio & Cinzia Montemurro, 2024. "A Glimpse into the Genetic Heritage of the Olive Tree in Malta," Agriculture, MDPI, vol. 14(3), pages 1-14, March.

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