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A Spanish research team is working on olive varieties most resistant to Xylella fastidiosa

A Spanish research team is working on olive varieties most resistant to Xylella fastidiosa

2019/28/01 - The Ministry of Environment, Agriculture and Fisheries of the Balearic Islands has signed a collaboration agreement with the Institute of Agricultural Research and Training and Fisheries of Andalusia (Ifapa) to transfer and develop evaluation tests of olive material. The agreement will promote research on which olive varieties are most resistant to Xylella fastidiosa.
Specifically, the Ifapa will provide 70 representative samples of the genetic and geographical variability of the world collection of olive varieties. The samples will be used in Mallorca to determine the resistance to the Xylella fastidiosa, in line with the work that has been carried out in recent months in the two biosecurity greenhouses that the Ministry launched in the experimental farm of Sa Granja, in Palma. In these facilities, the pathogenicity of Xylella has been studied in 17 almond, 19 vine and 29 olive varieties, as well as in the forest species of Aleppo pine, juniper, holm oak and broad-leaved aladier.

This research program has already detected some of the most sensitive and bacteria-resistant native varieties of the Balearic Islands, an information that is essential to improve the effectiveness of the replanting policies that are currently being implemented, as informed the Balearic Government.

The results of the research resulting from this agreement -which has a renewable duration of 36 months- will complement those of a European project that takes place in the south of Italy, the first region where the presence of Xylella was detected in the olive trees and where it also participates the Ifapa.

The Balearic Government has underlined that the multiplex subspecies, absent in the south of Italy, has been detected in the islands; therefore, it is foreseeable that the results of the research that will be carried out in Mallorca will provide new data that will allow combating the bacteria.
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