Neonicotinoid insecticides losing efficiency in potato psyllid control

by Kay Ledbetter The potato industry may be losing a mainstay in the battle against psyllids, according to a recent Texas A&M AgriLife Research study. Dr. Ada Szczepaniec, AgriLife Research entomologist in Amarillo, said while there may be varying degrees of resistance to neonicotinoid insecticides in populations of psyllids across Texas, her recent study indicates […]

Xylella fastidiosa y su situación actual en la UE

Por Blanca B. Landa del Castillo, Miguel Montes Borrego y Juan A. Navas Cortes, Investigadores del Instituto de Agricultura Sostenible (IAS), Consejo Superior de Investigaciones Científicas (CSIC) Xylella fastidiosa es una bacteria Gram-negativa, habitante del xilema, de muy lento y complicado crecimiento in vitro que se transmite de forma no específica por varias especies de insectos […]

Des millions d’oliviers menacés par une bactérie à travers l’Europe

Depuis 2013, la bactérie xylella fastidiosa décime des oliviers en Italie, mais aussi en France et aux Baléares Les oléiculteurs corses sont inquiets. Mardi, ils dénonçaient le “risque majeur que fait encourir la politique actuelle de dérogations pour l’entrée de végétaux à la Corse”. Au début du mois, la bactérie xylella fastidiosa avait été détectée, […]

Zebra chip disease: Portable diagnostic tool breakthrough aims for fast, accurate results

By Michelle Stanley and Tyne Logan  A new portable diagnostic tool for identifying the devastating zebra chip disease may bring faster and more accurate results to stem its spread, according to New Zealand scientists. Zebra chip is a bacteria which alters a plant’s metabolism and burns striped patches in potatoes, making both the potato and […]

Study offers guidance on how to protect Europe’s olive trees from being ravaged by deadly Xylella fastidiosa pathogen

By Wayne Coles The research highlights how Xylella fastidiosa is influenced by a range of insects – including spittlebugs – and the rate to which these vectors contribute to the potential spread of the disease across Europe and beyond. Expert ecologists at the UK-based Centre for Ecology & Hydrology (CEH) have devised a scientific model […]

Bacteria that kills olive trees spreads from Italy to Spain’s Balearic Islands

By LUCÍA BOHÓRQUEZ, ALYSSA McMURTRY The regional government of the Balearic Islands says Xylella fastidiosa, a bacterium that kills fruit-bearing plants such as olive trees, is now threatening its agricultural sector. In a bid to control its spread, authorities have destroyed some 2,000 fruit trees so far. At the same time, a ban has been imposed […]

La “Xylella fastidiosa”: la plaga vegetal más peligrosa de Europa

Investigadores del CSIC defienden la necesidad de que las administraciones actúen con urgencia y coordinadamente contra la Xylella fastidiosa, una bacteria que se ha convertido en la plaga vegetal más peligrosa de Europa, en especial en el olivo. Una legislación adecuada y su cumplimiento riguroso, planes de contingencia y de prevención, programas de inspección, colaboración […]

Blanca Landa: “Balears no está preparada para hacer frente a la ‘Xylella’, le hacen falta más recursos”

by Alexander Cortès Palma “Bruselas será quien diga si tomar el camino de la contención o el de la erradicación” – “Si no erradicas sigues teniendo el problema y el riesgo de que la bacteria se propague“ Sigue de cerca cómo evoluciona la Xylella fastidiosa en el archipiélago y, de hecho, el Govern ya ha […]

Society, science, and Facebook: Xylella fastidiosa as a case study

Christian Colella, an Italian graduate student, wrote a very interesting article on the connection of science, the public, and social media platforms, using the X. fastidiosa epidemic in Italy as a case study. To download the article click here. Here are a few comments about the article from Colella for context: This article was originally written for the […]

Tozer is pleased to be a member of an international research consortium POnTE

Tozer is pleased to be a member of an International Research Consortium POnTE (Pest Organism Threatening Europe) which is investigating four pathogens: ‘Candidatus Liberibacter solanacearum’ in crops such as potato, tomato and carrot Xylella fastidiosa in olive, grapevine, citrus, stone fruit, ornamentals and landscape trees of high socio-economic importance, Hymenoscyphus fraxineus (anamorph. Chalara fraxinea) and Phytophtora spp affecting broadleaf […]

Madrid acogerá en diciembre una jornada sobre el estado de situación de la Xylella fastidiosa en el olivar

  Citoliva-Centro Tecnológico del Olivar y el Aceite organizará el próximo 14 de diciembre en el Salón de Actos del Ministerio de Agricultura, Alimentación y Medio Ambiente (Magrama) una jornada de divulgación y presentación en España del Proyecto POnTE sobre las plagas que amenazan a los cultivos y los bosques de Europa que se centrará […]

Xylella fastidiosa, la peste qui anéantit les oliviers des Pouilles

Depuis 2013, une bactérie tueuse décime les oliveraies de cette région d’Italie. Les images des photographes Jean-Maric Caimi et Valentina Piccinni rendent compte de cette catastrophe écologique et économique. Philippe Ridet Cet été, les photographes Jean-Marc Caimi et Valentina Piccinni se sont rendus sur la ligne de front aux environs de Gallipoli. Leur but : […]

New warning over spread of ash dieback

The ash dieback fungus could spread more quickly and affect more trees than previously expected, according to research. Scientists have discovered that asexual spores of the ash dieback fungus (Hymenoscyphus fraxineus) are infectious and can germinate on leaves or infect seedlings via soil. Full story The ash dieback fungus could spread more quickly and affect […]

Citoliva presenta el proyecto europeo POnTE: ‘Plagas amenazando Europa’

El próximo 14 de diciembre tendrá lugar en Madrid la jornada de divulgación y presentación en España del programa europeo POnTE – ‘Plagas amenazando Europa’, iniciado en 2015 y con una duración prevista de cuatro años, que estudia las distintas enfermedades emergentes que están afectando gravemente a los cultivos y bosques en Europa. La jornada […]

POnTE Project: resource in English tracks new Xylella research

Begun in November 2015, POnTE Project serves as an excellent resource for English-language readers who want to keep up with new research on Xylella fastidiosa in Europe, along with several other pests that threaten strategic agricultural crops in Europe. In additional to providing a general introduction to Xylella, POnTE Project sends out a highly useful […]

FRANCE INFO | Xylella fastidiosa, la Corse toujours sous surveillance

Depuis un peu plus d’un an, la bactérie Xylella fastidiosa est surveillée de près par les services de l’Etat. En tout, 275 foyers ont été détectés en Corse. La souche présente n’est pas la plus virulente, mais les mesures qui restreignent l’importation de végétaux sont toujours d’actualité. 8600 prélèvements ont été réalisés dans toute la […]

OLIVE OIL TIMES | Strategy to contain Xylella fastidiosa organically shows promise

Researchers used organic substances to stimulate the plant’s development of phytoalexins, which are barriers used in its internal war against the pathogen. By YLENIA GRANITTO Researchers of the University of Foggia in collaboration with Copagri, the confederation of agriculture manufacturers, started a trial in 2015 on olive trees affected by Rapid Complex Desiccation, or so-called […]

THE GOOD LIFE | Xylella fastidiosa : la bactérie qui menace les oliviers

Article in original language By FLORENT DETROY En 2015, les prix de l’huile d’olive, en Europe, ont subitement augmenté de 20 % par rapport à 2014. La cause ? La disparition de milliers d’oliviers dans le sud de l’Italie, victimes de la Xylella fastidiosa. Alors que les autorités italiennes peinent à traiter le phénomène, les […]

MICROBE POST | On the Horizon: Xylella fastidiosa

By BENJAMIN THOMPSON It’s not just humans and animals that are affected by emerging diseases. In this latest addition to the On the Horizon series, we learn about a poorly understood bacterium that causes significant hardships to farmers across the world. The Apulia region, a thin strip of southeast Italy that stretches out into the Ionian […]

MAJORCA DAILY BULLETIN| Tougher measures sought to prevent “olive ebola” in the Balearics

The Xylella fastidiosa (Xf) bacterium was first being detected last year in parts of Europe. Commonly referred to as the “olive ebola”, it can cause serious damage to olive trees and also to almond, fig and citrus trees. The El Pi party has now taken the matter to the Balearic parliament in seeking the means […]