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The olive tree-killing bacteria, xylella, spotted for the first time in Occitania

2020-09-04T18:33:11.814Z


Xylella fastidiosa, nicknamed olive killer bacteria, was detected in August on a sample of lavandin in the Occitanie region, so far unharmed, as part of a routine inspection by the services of the Ministry of Agriculture , according to a press release Friday, September 4. Read also: Coronavirus: does the Prevotella bacteria really play a role in the infection? The bacteria constitute a danger fo


Xylella fastidiosa, nicknamed olive killer bacteria, was detected in August on a sample of lavandin in the Occitanie region, so far unharmed, as part of a routine inspection by the services of the Ministry of Agriculture , according to a press release Friday, September 4.

Read also: Coronavirus: does the Prevotella bacteria really play a role in the infection?

The bacteria constitute a danger for plants but present no risk to human health.

It was spotted in an establishment of production and resale to individuals of ornamental plants, said the ministry without specifying the exact location of the discovery.

Precautionary measures have been taken, including stopping all marketing of plants from this establishment, where phytosanitary treatment was applied to the entire site.

A perimeter of 2.5 kilometers around the site has been established in an attempt to prevent any spread of the disease through surveillance measures and the uprooting of plants susceptible to xylella.

And a series of samples is taken from other plants sensitive to the bacteria in the infected area to determine the extent of the infection as well as the subspecies of the bacteria.

Xylella fastidiosa, which has wreaked havoc on olive trees in the Puglia region of Italy, was first spotted in France in 2015. It is present on part of the Mediterranean coast, in the Provence-Alpes-Côte d region. 'Azur, near Menton, between Nice and Fréjus and in Toulon, as well as in Corsica.

The whole island is considered an infected area, says the ministry.

Xylella fastidiosa attacks more than 200 plant species and is the subject of compulsory control supervised at European level, even if there is no curative treatment.

More than 70 species of insects can transport it and it does not always have the same impact depending on the strain, the plant and the ecosystem concerned, but it can cause the death of the plants it affects.

All agricultural production sectors are exposed to a risk of contamination (vines, olive trees, fruit trees, citrus fruits, alfalfa, ornamental species, aromatic plants, etc.).

The bacterium also attaches itself to uncultivated plants or species endemic to certain regions.

The sample carrying the bacteria detected was a lavandula x intermedi, variety "

grosso

", said the ministry.

Source: lefigaro

All news articles on 2020-09-04

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