First Detection of Xylella fastidiosa Infecting Cherry (Prunus avium) and Polygala myrtifolia Plants, in Mallorca Island, Spain

Olmo, Diego; Nieto, Alicia; Adrover, Francesc; Urbano, A.; Beidas, Omar E.; Juan, Andreu; Marco‐Noales, Ester; López, Marı́a M.; Navarro, Inmaculada; Monterde, Adela; Montes-Borrego, Miguel; Navas‐Cortés, Juan A; Landa, Blanca B.

doi:10.1094/pdis-04-17-0590-pdn

Cited by 76 publications

(72 citation statements)

References 5 publications

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“…Cherry (Prunus avium) and plum (Prunus salicina and Prunus domestica) are known to be susceptible to X. fastidiosa infection. Records from USA, Italy, Spain and France report infection of both cherry trees and plum (Hernandez-Martinez et al, 2007;Yuan et al, 2010;Nunney et al, 2013;Loconsole et al, 2016;Olmo et al, 2017).…”

Section: Cherry and Plummentioning

confidence: 99%

Update of the Scientific Opinion on the risks to plant health posed by Xylella fastidiosa in the EU territory

Bragard¹,

Dehnen‐Schmutz²,

Serio³

et al. 2019

EFS2

140

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EFSA was asked to update the 2015 EFSA risk assessment on Xylella fastidiosa for the territory of the EU. In particular, EFSA was asked to focus on potential establishment, short-and long-range spread, the length of the asymptomatic period, the impact of X. fastidiosa and an update on risk reduction options. EFSA was asked to take into account the different subspecies and Sequence Types of X. fastidiosa. This was attempted throughout the scientific opinion but several issues with data availability meant that this could only be partially achieved. Models for risk of establishment showed most of the EU territory may be potentially suitable for X. fastidiosa although southern EU is most at risk. Differences in estimated areas of potential establishment were evident among X. fastidiosa subspecies, particularly X. fastidiosa subsp. multiplex which demonstrated areas of potential establishment further north in the EU. The model of establishment could be used to develop targeted surveys by Member States. The asymptomatic period of X. fastidiosa varied significantly for different host and pathogen subspecies combinations, for example from a median of approximately 1 month in ornamental plants and up to 10 months in olive, for pauca. This variable and long asymptomatic period is a considerable limitation to successful detection and control, particularly where surveillance is based on visual inspection. Modelling suggested that local eradication (e.g. within orchards) is possible, providing sampling intensity is sufficient for early detection and effective control measures are implemented swiftly (e.g. within 30 days). Modelling of long-range spread (e.g. regional scale) demonstrated the important role of long-range dispersal and the need to better understand this. Reducing buffer zone width in both containment and eradication scenarios increased the area infected. Intensive surveillance for early detection, and consequent plant removal, of new outbreaks is crucial for both successful eradication and containment at the regional scale, in addition to effective vector control. The assessment of impacts indicated that almond and Citrus spp. were at lower impact on yield compared to olive. Although the lowest impact was estimated for grapevine, and the highest for olive, this was based on several assumptions including that the assessment considered only Philaenus spumarius as a vector. If other xylem-feeding insects act as vectors the impact could be different. Since the Scientific Opinion published in 2015, there are still no risk reduction options that can remove the bacterium from the plant in open field conditions. Short-and long-range spread modelling showed that an early detection and rapid application of phytosanitary measures, consisting among others of plant removal and vector control, are essential to prevent further spread of the pathogen to new areas. Further data collection will allow a reduction in uncertainty and facilitate more tailored and effective control given the intraspecific diversity of X. fastidiosa an...

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Section: Cherry and Plummentioning

confidence: 99%

Update of the Scientific Opinion on the risks to plant health posed by Xylella fastidiosa in the EU territory

Bragard¹,

Dehnen‐Schmutz²,

Serio³

et al. 2019

EFS2

140

View full text Add to dashboard Cite

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“…fastidiosa subsp. fastidiosa and multiplex (2). Since then, numerous outbreaks of the bacterium have been reported in the major Balearic Islands (Mallorca, Menorca, and Ibiza), where more than 15 host species have been found to be infected by strains of different subspecies of X.…”

Section: Announcementmentioning

confidence: 99%

“…In fact, initial genetic characterization of X. fastidiosa infecting cherry in Mallorca revealed the presence of a strain harboring sequence type 1 (ST1) (2), a genotype commonly detected in strains of X. fastidiosa subsp.…”

Section: Announcementmentioning

confidence: 99%

“…fastidiosa subsp. fastidiosa strain IVIA5235, isolated from petiole tissues on PD2 medium after incubation at 28°C for 14 days of a sample from a symptomatic cherry tree identified in the first outbreak in Mallorca (2). Genomic DNA was recovered, using the DNeasy kit (Qiagen) for DNA extraction, from a pure culture grown on PD2 agar medium, and a whole-genome sequencing (WGS) library was prepared and paired-end sequenced by using an Illumina HiSeq 4000 platform.…”

Section: Announcementmentioning

confidence: 99%

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Draft Genome Sequence of Xylella fastidiosa subsp. fastidiosa Strain IVIA5235, Isolated from Prunus avium in Mallorca Island, Spain

Landa

Velasco-Amo

Marco‐Noales

et al. 2018

Microbiol Resour Announc

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“…Buena parte de la superficie agrícola en el interior de la península está dominada por unos cuántos monocultivos, entre los que se encuentran especies hospedantes y muy vulnerables a Xylella fastidiosa, como el olivo, la vid o el almendro. Recientemente, Xylella fastidiosa ha sido detectado en cerezos, también en Mallorca (Olmo et al, 2017) Los procesos de decaimiento observados en los agrosistemas de otras regiones se han producido en cortos periodo de tiempo, y de producirse de la misma manera en la península ibérica, se potenciaría el impacto del patógeno sobre la economía y la población de los espacios rurales. Pero el impacto puede ir más allá de los agrosistemas, pues Xylella fastidiosa se ha detectado en especies del género Quercus, como la encina y el alcornoque, que constituyen el pilar básico de la dehesa y el monte mediterráneo.…”

Section: Conclusionesunclassified

Incidencia de Xylella fastidiosa en las Islas Baleares y distribución potencial en la península ibérica

Gutiérrez-Hernández¹,

García

2018

Ingeo

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Las invasiones biológicas constituyen una de las principales amenazas a la economía y a la biodiversidad relacionadas con el cambio global. Recientemente, ha irrumpido en las Islas Baleares un organismo fitopatógeno muy dañino: Xylella fastidiosa. Es una bacteria confinada en el xilema de las plantas que causa mortalidad sin curación en un gran número de cultivos leñosos de gran importancia, entre los cuales se encuentran el olivo, la vid, el almendro y los cítricos. En este trabajo abordamos una aproximación al estudio de la distribución del patógeno en las Islas Baleares y desarrollamos un modelo de distribución potencial de Xylella fastidiosa en la península ibérica calibrado con registros de presencia colectados en el archipiélago. Los resultados preliminares apuntan a una alta incidencia del Xylella fastidiosa en las Islas Baleares y proyectan una amplia distribución potencial del patógeno en la península ibérica, especialmente allí donde las temperaturas mínimas del mes más frío son más son más suaves.

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First Detection of Xylella fastidiosa Infecting Cherry (Prunus avium) and Polygala myrtifolia Plants, in Mallorca Island, Spain

Cited by 76 publications

References 5 publications

Update of the Scientific Opinion on the risks to plant health posed by Xylella fastidiosa in the EU territory

Update of the Scientific Opinion on the risks to plant health posed by Xylella fastidiosa in the EU territory

Draft Genome Sequence of Xylella fastidiosa subsp. fastidiosa Strain IVIA5235, Isolated from Prunus avium in Mallorca Island, Spain

Incidencia de <i>Xylella fastidiosa</i> en las Islas Baleares y distribución potencial en la península ibérica

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