Assessment of population structure, genetic diversity and relationship of Mediterranean olive accessions using SSR markers and computational tools

Ayed, Rayda Ben; Erċışlı, Sezai; Hanana, Mohsen; Rebai, Ahmed; Moreau, Fabienne

doi:10.1007/s10529-021-03204-z

Cited by 2 publications

(1 citation statement)

References 54 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…It is likely that the Simone variety used, although certified, was misidentified. This underlines the need to improve the protocols for the certification and marketing of olive varieties [48]. Despite these results, these F 1 genotypes were retained in our analysis as carrying interesting agronomic traits.…”

Section: Genetic Diversity Assessmentmentioning

confidence: 92%

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

Savoia,

Fanelli,

Miazzi

et al. 2023

Agriculture

View full text Add to dashboard Cite

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.

show abstract

Section: Genetic Diversity Assessmentmentioning

confidence: 92%