The olive quick decline syndrome in south-east Italy: a threatening phytosanitary emergency

@article{Martelli2016TheOQ,
  title={The olive quick decline syndrome in south-east Italy: a threatening phytosanitary emergency},
  author={Giovanni Paolo Martelli and Donato Boscia and Francesco Porcelli and Maria Saponari},
  journal={European Journal of Plant Pathology},
  year={2016},
  volume={144},
  pages={235-243},
  url={https://api.semanticscholar.org/CorpusID:16126474}
}
The olive quick decline syndrome (OQDS) is a disease that appeared suddenly a few years ago in the province of Lecce (Salento peninsula, southeastern Italy), and Xylella fastidiosa, a quarantine pathogen of American origin, was identified as the main vector.
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143 Citations

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36 References

Survey for the presence of Xylella fastidiosa subsp. pauca (strain CoDiRo) in some forestry and ornamental species in the Salento peninsula.

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DTBIA is a valid alternative to ELISA in large-scale surveys for occurrence of X. fastidiosa and the printing of membranes directly in the field prevents infections spreading to Xylella -free areas, through movement of plant material with pathogen vectors for laboratory testing.

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Sequencing of the amplified products from five housekeeping genes and of the PCR products obtained using the X. fastidiosa strain- specific primers showed that all these amplicons had 100% sequence identity with the homologous products amplified from diseased olive trees (Cariddi et al., 2014).

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Olive may serve as an alternative, albeit suboptimal, host of X. fastidiosa-elicited diseases in California and be a refuge where sharpshooter vectors evade intensive areawide insecticide treatment of citrus, the primary control method used in California to limit glassy-winged sharPShooter populations and, indirectly, epidemics of Pierce's disease of grapevine.

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The discovery of Xylella fastidiosa from olive trees with “Olive quick decline syndrome” in October 2013 on the west coast of the Salento Peninsula prompted an immediate search for insect vectors of the bacterium, and transmission tests showed P. spumarius as a vector of X. fastidioa strain infecting olives trees in theSalento Peninsula, Italy.

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The isolation in pure culture of the Xylella fastidiosa strain associated with the quick decline syndrome of olive was attempted from symptomatic, naturally infected olive and oleander plants, and a periwinkle seedling that had been exposed to, and was infected by Xyleella-positive spittlebugs.

DETECTION OF XYLELLA FASTIDIOSA IN OLIVE TREES BY MOLECULAR AND SEROLOGICAL METHODS

The identification of X. fastidiosa in OQDS-affected trees represents the first confirmed detection of this bacterium in the European Union (EU), but its exact role in the aetiology of this disease is yet to be determined.