Xylella fastidiosa

Jun. 3, 2024

Xylella-Resilient Groves Are the Future of Apulian Olive Oil

Farmers’ associations, researchers and institutions are teaming up to replant Xylella fastidiosa-resilient olive trees in Puglia.

Mar. 25, 2024

Scientists Defend Study Finding Xylella Not Responsible for Most OQDS

Margherita Ciervo and Marco Scortichini defend their research that found Xylella fastidiosa was not responsible for most Apulian olive tree deaths over the past decade.

Mar. 14, 2024

Authorities in Puglia Confirm Culprit in Olive Tree Devastation

Officials rebuffed a recent study that implied Xylella fastidiosa was not mainly responsible for the millions of ravaged trees.

Mar. 6, 2024

Xylella May Not Be Responsible for Olive Tree Devastation in Puglia, Study Finds

The findings could unravel a decade of policy and understanding that Xylella fastidiosa was the leading cause of Olive Quick Decline Syndrome in Puglia.

Feb. 29, 2024

Authorities Identify Xylella Strain Infecting Vines, Almonds in Puglia

The new variant was detected in a region already severely affected by Xylella fastidiosa pauca.

Feb. 20, 2024

Balearic Islands Tighten Restrictions as Xylella Spreads in Mallorca

The strain of Xylella fastidiosa responsible for Olive Quick Decline Syndrome was identified in other plants in Mallorca.

Feb. 7, 2023

Apulian Authorities Agree on Funding for Xylella Strategy

Faster eradication, early diagnoses and more research are among the key components of the containment strategy.

Feb. 2, 2023

In Portugal, Xylella Infection Spreads to More Species

The latest Ministry of Agriculture update outlines a worsening scenario for farmers in Portugal and nearby Spain.

Jan. 11, 2023

New Effort to Save Xylella-Hit Olive Trees in Apulia

The new Apulian initiative brings together olive growers, farm owners and researchers to save Ostuni’s centuries-old olive trees from Xylella fastidiosa.

Dec. 9, 2022

Authorities in Puglia Identify New Outbreak of Xylella Fastidiosa

Nearly 120 olive trees were found to be infected with the bacteria. Authorities also found Xylella fastidiosa in a previously-unknown host plant.

Dec. 5, 2022

Growers in Xylella-Ravaged Puglia Assess a Delicate Harvest

Farmers who have followed the phytosanitary protocol are harvesting olives from trees where the infection has been brought under control.

Nov. 15, 2022

Reimagining the Xylella-Devastated Landscape of Southern Puglia

Public and private stakeholders are working together in Salento province to plant new crops and revitalize the previously devastated landscape.

Oct. 31, 2022

Thousands of Xylella-Resistant Trees to Be Planted in Puglia

The reforestation effort is meant to restore devastated landscapes, promote biodiversity and increase the area’s resistance to new pathogens.


Dec. 17, 2021

Dogs and Drones: New Projects in Puglia Emphasize Early Detection Against Xylella

Using thermal sensing and the powerful noses of dogs, authorities in Puglia ramp up efforts to detect the latest outbreaks of Xylella fastidiosa before symptoms occur.

Dec. 1, 2021

New Olive Trees Are Being Planted in Xylella-Ravaged Puglia

A new law in Italy has changed monitoring and removal operations in Xylella-plagued areas. Funds are being used to replant trees and compensate millers.

Nov. 10, 2021

Producers in Southern Italy in Crisis as Challenges Mount

From the hot and dry summer to the Covid-fueled labor shortages and unrelenting spread of Xylella fastidiosa, many farmers in Puglia find themselves in an emergency.

Nov. 1, 2021

An Estimated 33,000 Jobs Lost to Xylella Fastidiosa in Puglia

Officials warned against underestimating the threat to the region's economy posed by the continued spread of the deadly olive tree disease.

Oct. 27, 2021

Farmers in Apulia Deal with Drought, High Costs as Harvest Begins

Steep price rises for energy and fuel are adding unprecedented costs for producers. Meanwhile, agricultural associations warn drought-induced damage is worse than previously predicted.

Oct. 26, 2021

Puglia Warns Farmers of Ineffective Xylella Fastidiosa Cures

Members of the regional balance commission said no product on the market can cure the Xylella fastidiosa bacteria, which continues to hurt producers across the region.

Aug. 13, 2021

Xylella Fastidiosa Identified in Rosemary Plants in Portugal

The bacteria were identified during routine checks in Lisbon and the Algarve by Portuguese authorities. A containment protocol has already been enacted.

Aug. 2, 2021

Organic Producers from Puglia Triumph at World Competition

Producers from southwestern Italy overcame Xylella fastidiosa, erratic weather events and the Covid-19 pandemic to produce their award-winning extra virgin olive oils.