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Analysis and Detection of Xylella Fastidiosa in Plants

KUDAM Laboratory provides its customers with the qualitative analysis that determines the presence (or absence) of the bacterium Xylella Fastidiosa in crops.


Xylella fastidiosa is a bacterium that causes serious damage to crops such as olives, vines, citrus fruits and some species of the genus Prunus (plums, cherries, peaches, etc.), as well as numerous ornamental species. It is a bacterium that lives in the xylem of plants. It is transmitted from one plant to another through insects that feed on the sap that circulates through the xylem of the plants or through grafts of infected plant material.

The bacterium is widely distributed in the USA and Iran. In the EU it has been detected in Italy (2013 and 2018), in France (2015), Spain (2016 and 2017) and in January 2019 in Portugal, in the municipality of Vila Nova de Gaia. In October 2013 it was detected for the first time in Europe, in the Region of Apulia (southern Italy) affecting the olive tree, despite the fact that this species had not been considered among its main hosts in the United States. Imported infected plants or infectious insects transported in consignments of plants are considered as possible access routes. Other plant materials (wood, cut flowers, fruits, ornamental leaves) are considered as low bacteriality.

Latent (asymptomatic) plant infections are quite common, which makes detection difficult. Therefore, KUDAM laboratory recommends that, although the cultures do not show any visible symptoms, it is advisable to perform a specific analysis to detect Xylella Fastidiosa and to follow a preventive strategy to avoid the spread of this bacterium.

For further information please contact the KUDAM laboratory team.


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