Xylella fastidiosa identified in rosemary plants in Portugal

Published 2021년 8월 16일

Tridge summary

Portugal has detected Xylella fastidiosa bacteria in two rosemary plants, prompting authorities to set up testing zones and buffer areas to prevent the spread of the disease. The source of infection is still unknown, but concerns have been raised about the meadow spittlebug, a primary vector of the olive tree pathogen. This marks Portugal's second case of the bacteria, following a 2018 outbreak in lavender plants, and efforts are being made to prevent it from affecting olive groves, as seen in other European countries.

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Original content

By Daniel Dawson Authorities in Portugal have detected Xylella fastidiosa bacteria in two rosemary plants in the center and south of the country. The General Directorate of Food and Veterinary Medicine said it identified the samples during routine checks in Lisbon and the Algarve. A total of 166 samples are currently being analyzed. In both the Algarve, Portugal’s southernmost region, and Lisbon, a zone with a 50-meter radius has been set up in which all plants susceptible to Xylella fastidiosa are being tested. Additionally, a 2.5‑kilometer buffer zone has also been set up in both locations to stem the spread of the disease. Authorities have not been able to identify how either rosemary sample became infected but are reportedly concerned that the Philaenus spumarius insect, commonly known as the meadow spittlebug, may be behind the infections. Efforts are currently underway in Andalusia and Italy to track the movement of the insect, which is one of the primary vectors of the ...

Source: Agropages