22/04/2016 (Agence Europe) - Treatments for Xyella reduce symptoms but do not eliminate bacteria. In an opinion published on 20 April, the European Food Safety Authority (EFSA) concludes that treatments being tested on olive trees in Puglia reduce the symptoms of disease caused by Xyella fastidiosa but do not eliminate the pathogen from infected plants (see EUROPE 11534). The experts say that these treatments could prolong the life of olive trees in the containment zone in Puglia where the...