The bacterium Xylella fastidiosa (Xfp) has attacked olive trees in Italy since 2013, with severe impacts. However, researchers have now used satellite data to show that bio-fertiliser is proving effective in restoring the agro-ecosystem. In olive groves, Xfp can cause ‘olive quick decline syndrome’ (OQDS), which incites leaf, twig and branch die-back followed by final tree collapse. Click here to read more