Outbreak of Xylella fastidiosa subsp. pauca ST53 affecting wild and cultivated olive trees on the island of Mallorca, Spain
The Balearic Islands have emerged as a hotspot for the invasive plant pathogen Xylella fastidiosa (Xf). Since 2016, the Xf subsp. fastidiosa and multiplex have been detected causing almond leaf scorch and Pierce’s disease on the island of Mallorca, Spain, and a new sequence type (ST), ST80, of subsp...
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Firenze University Press
2024-12-01
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| Series: | Phytopathologia Mediterranea |
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| Online Access: | https://oajournals.fupress.net/index.php/pm/article/view/15891 |
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| author | Eduardo MORALEJO Bàrbara QUETGLAS Marina MONTESINOS Francisco ADROVER Diego OLMO Alicia NIETO Ana PEDROSA Marta LÓPEZ Andreu JUAN Ester MARCO-NOALES Inmaculada NAVARRO-HERRERO Silvia BARBÉ María Pilar VELASCO-AMO Concepción OLIVARES-GARCÍA Blanca B. LANDA |
| author_facet | Eduardo MORALEJO Bàrbara QUETGLAS Marina MONTESINOS Francisco ADROVER Diego OLMO Alicia NIETO Ana PEDROSA Marta LÓPEZ Andreu JUAN Ester MARCO-NOALES Inmaculada NAVARRO-HERRERO Silvia BARBÉ María Pilar VELASCO-AMO Concepción OLIVARES-GARCÍA Blanca B. LANDA |
| author_sort | Eduardo MORALEJO |
| collection | DOAJ |
| description | The Balearic Islands have emerged as a hotspot for the invasive plant pathogen Xylella fastidiosa (Xf). Since 2016, the Xf subsp. fastidiosa and multiplex have been detected causing almond leaf scorch and Pierce’s disease on the island of Mallorca, Spain, and a new sequence type (ST), ST80, of subsp. pauca is infecting wild and cultivated olive trees on the island of Ibiza. In addition, Xf subsp. multiplex ST81 is widespread in scrublands, and causes mild, sub-lethal dieback of wild olive trees in Menorca and Mallorca. A new outbreak is here reported of the Xf subsp. pauca in the municipality of Sencelles in the centre of Mallorca island. In early 2024, dying patches were observed in wild olive trees (Olea europaea var. europaea subsp. sylvestris). Samples from these trees were Xf-positive in different qPCR tests, and the pathogen was subsequently identified as belonging to ST53 of subsp. pauca, the same genetic variant responsible for olive quick decline syndrome in Apulia, Italy. More than 184 plants of eight hosts have tested positive for subsp. pauca within a demarcation zone of approx. 1 km radius. The identified host species include 124 wild olive trees, 40 cultivated olive trees, nine Rhamnus alaternus, six Nerium oleander, two Lavandula angustifolia, one Laurus nobilis, one Lavandula dentata and one Polygala myrtifolia. Of particular concern is detection of co-infections by Xf subsp. subsp. pauca and multiplex on plants from natural settings (wild olives, L. dentata and R. alaternus), posing potential risk of genetic recombinations. Intensive surveys are being carried out to contain the spread of ST53, and infected plants have been destroyed in the demarcated zone. |
| format | Article |
| id | doaj-art-bdfe7837ed9f40a0b2978b44b59ffa2c |
| institution | OA Journals |
| issn | 0031-9465 1593-2095 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Firenze University Press |
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| series | Phytopathologia Mediterranea |
| spelling | doaj-art-bdfe7837ed9f40a0b2978b44b59ffa2c2025-08-20T02:11:29ZengFirenze University PressPhytopathologia Mediterranea0031-94651593-20952024-12-0163347548010.36253/phyto-1589114728Outbreak of Xylella fastidiosa subsp. pauca ST53 affecting wild and cultivated olive trees on the island of Mallorca, SpainEduardo MORALEJO0https://orcid.org/0000-0003-4927-9367Bàrbara QUETGLAS1Marina MONTESINOS2Francisco ADROVER3Diego OLMO4https://orcid.org/0000-0002-8542-9089Alicia NIETO5https://orcid.org/0000-0001-5484-7088Ana PEDROSA6Marta LÓPEZ7Andreu JUAN8Ester MARCO-NOALES9https://orcid.org/0000-0001-7973-0345Inmaculada NAVARRO-HERRERO10Silvia BARBÉ11https://orcid.org/0000-0002-2929-6410María Pilar VELASCO-AMO12https://orcid.org/0000-0001-7176-0435Concepción OLIVARES-GARCÍA13https://orcid.org/0009-0004-6511-2633Blanca B. LANDA14https://orcid.org/0000-0002-9511-3731Tragsa, Empresa de Transformación Agraria, Delegación de Baleares, 07005 Palma de Mallorca, SpainTragsa, Empresa de Transformación Agraria, Delegación de Baleares, 07005 Palma de Mallorca, SpainTragsa, Empresa de Transformación Agraria, Delegación de Baleares, 07005 Palma de Mallorca, SpainInstitut de Recerca i Formació Agroalimentària i Pesquera de les Illes Balears, 07009 Palma de Mallorca, SpainInstitut de Recerca i Formació Agroalimentària i Pesquera de les Illes Balears, 07009 Palma de Mallorca, SpainInstitut de Recerca i Formació Agroalimentària i Pesquera de les Illes Balears, 07009 Palma de Mallorca, SpainInstitut de Recerca i Formació Agroalimentària i Pesquera de les Illes Balears, 07009 Palma de Mallorca, SpainServicio de Agricultura, Conselleria de Medi Ambient, Agricultura i Pesca, 07006 Palma de Mallorca, SpainServicio de Agricultura, Conselleria de Medi Ambient, Agricultura i Pesca, 07006 Palma de Mallorca, SpainCentro de Protección Vegetal y Biotecnología, Instituto Valenciano de Investigaciones Agrarias (IVIA), CV-315 km 10.7, 46113 Moncada, SpainCentro de Protección Vegetal y Biotecnología, Instituto Valenciano de Investigaciones Agrarias (IVIA), CV-315 km 10.7, 46113 Moncada, SpainCentro de Protección Vegetal y Biotecnología, Instituto Valenciano de Investigaciones Agrarias (IVIA), CV-315 km 10.7, 46113 Moncada, SpainInstitute for Sustainable Agriculture, Consejo Superior de Investigaciones Científicas (IAS-CSIC), 14004 Córdoba, SpainInstitute for Sustainable Agriculture, Consejo Superior de Investigaciones Científicas (IAS-CSIC), 14004 Córdoba, SpainInstitute for Sustainable Agriculture, Consejo Superior de Investigaciones Científicas (IAS-CSIC), 14004 Córdoba, SpainThe Balearic Islands have emerged as a hotspot for the invasive plant pathogen Xylella fastidiosa (Xf). Since 2016, the Xf subsp. fastidiosa and multiplex have been detected causing almond leaf scorch and Pierce’s disease on the island of Mallorca, Spain, and a new sequence type (ST), ST80, of subsp. pauca is infecting wild and cultivated olive trees on the island of Ibiza. In addition, Xf subsp. multiplex ST81 is widespread in scrublands, and causes mild, sub-lethal dieback of wild olive trees in Menorca and Mallorca. A new outbreak is here reported of the Xf subsp. pauca in the municipality of Sencelles in the centre of Mallorca island. In early 2024, dying patches were observed in wild olive trees (Olea europaea var. europaea subsp. sylvestris). Samples from these trees were Xf-positive in different qPCR tests, and the pathogen was subsequently identified as belonging to ST53 of subsp. pauca, the same genetic variant responsible for olive quick decline syndrome in Apulia, Italy. More than 184 plants of eight hosts have tested positive for subsp. pauca within a demarcation zone of approx. 1 km radius. The identified host species include 124 wild olive trees, 40 cultivated olive trees, nine Rhamnus alaternus, six Nerium oleander, two Lavandula angustifolia, one Laurus nobilis, one Lavandula dentata and one Polygala myrtifolia. Of particular concern is detection of co-infections by Xf subsp. subsp. pauca and multiplex on plants from natural settings (wild olives, L. dentata and R. alaternus), posing potential risk of genetic recombinations. Intensive surveys are being carried out to contain the spread of ST53, and infected plants have been destroyed in the demarcated zone.https://oajournals.fupress.net/index.php/pm/article/view/15891 genetic diversityolive quick decline syndromeinvasive pathogensmultilocus sequence typing (mlst)disease outbreak |
| spellingShingle | Eduardo MORALEJO Bàrbara QUETGLAS Marina MONTESINOS Francisco ADROVER Diego OLMO Alicia NIETO Ana PEDROSA Marta LÓPEZ Andreu JUAN Ester MARCO-NOALES Inmaculada NAVARRO-HERRERO Silvia BARBÉ María Pilar VELASCO-AMO Concepción OLIVARES-GARCÍA Blanca B. LANDA Outbreak of Xylella fastidiosa subsp. pauca ST53 affecting wild and cultivated olive trees on the island of Mallorca, Spain Phytopathologia Mediterranea genetic diversity olive quick decline syndrome invasive pathogens multilocus sequence typing (mlst) disease outbreak |
| title | Outbreak of Xylella fastidiosa subsp. pauca ST53 affecting wild and cultivated olive trees on the island of Mallorca, Spain |
| title_full | Outbreak of Xylella fastidiosa subsp. pauca ST53 affecting wild and cultivated olive trees on the island of Mallorca, Spain |
| title_fullStr | Outbreak of Xylella fastidiosa subsp. pauca ST53 affecting wild and cultivated olive trees on the island of Mallorca, Spain |
| title_full_unstemmed | Outbreak of Xylella fastidiosa subsp. pauca ST53 affecting wild and cultivated olive trees on the island of Mallorca, Spain |
| title_short | Outbreak of Xylella fastidiosa subsp. pauca ST53 affecting wild and cultivated olive trees on the island of Mallorca, Spain |
| title_sort | outbreak of xylella fastidiosa subsp pauca st53 affecting wild and cultivated olive trees on the island of mallorca spain |
| topic | genetic diversity olive quick decline syndrome invasive pathogens multilocus sequence typing (mlst) disease outbreak |
| url | https://oajournals.fupress.net/index.php/pm/article/view/15891 |
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