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The red palm weevil

Published on 28/12/2018

What is the red palm weevil? The red palm weevil (Rhynchophorus ferrugineus) is a beetle that is a particular menace to palm trees. Originally from South and South-east Asia, it is now found in more than 60 countries, where it threatens date palms, ornamental palms and coconut palms. It has been present in France since 2006; it was first detected in the Provence-Alpes-Côte d'Azur region (French Riviera) and has now become established in the Occitanie region and Corsica.

Keywords : Red palm weevil, Plant health

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The pinewood nematode: a threat to French conifers

Updated on 07/01/2021

Keywords : Plant health, Pinewood Nematode

The pinewood nematode (Bursaphelenchus xylophilus) is a microscopic worm that affects conifers, especially maritime pine. It is a particularly destructive parasite responsible for severe dieback in pine forests. Transmitted by an insect vector, its spread is mainly due to the transport of wood or plants. If this parasite were introduced into France, the Landes area would be at risk due to the widespread presence of maritime pine. As the National and European Reference Laboratory for identification of the pinewood nematode, ANSES has conducted several expert appraisals to assess the risks of introduction and establishment of the organism in France and to recommend management measures for pine wood and bark.

Xylella fastidiosa, a threat to olive trees and hundreds of plants

Updated on 07/01/2021

Keywords : Plant health, Xylella fastidiosa

Xylella fastidiosa is a phytopathogenic quarantine bacterium that can infect more than 600 plant species, affecting major agricultural crops such as grapevines, citrus fruits, almonds and olives, as well as herbs and ornamental, forest and wild plants. There are currently no curative measures against this bacterium. To avoid the spread of the disease, therefore, contaminated plants must be grubbed up and destroyed, and the insect vectors controlled. Here is an update on the bacterium, and on what the ANSES Plant Health Laboratory (LSV) is doing to help combat this pest.  

Pine and oak processionary caterpillars

Updated on 06/09/2016

Keywords : Plant health, Insecticides, Biocides, Processionary caterpillars

Processionary caterpillars are insects that are found in many regions of France, including urban areas. They compromise the health of trees, and also have an impact on human health as their bristles can cause inflammatory skin reactions, as well as more serious allergic reactions of the respiratory mucosa. ANSES, asked to assess alternatives to chemical treatment for the control of these insects, recommends a combination of preventive and curative measures. 

Genetically modified organisms (GMOs)

Updated on 04/08/2016

Keywords : GMOs, Plant health

Genetically modified organisms are defined as organisms or microorganisms that have undergone transformation of their genetic material through a process other than mating and/or natural recombination. They fall within the European Union regulatory framework and are evaluated by the European Food Safety Authority (EFSA). EFSA offers Member States the possibility of reviewing GMO dossiers to contribute to evaluation activities. ANSES provides support to the review process in this context. Since the field of GMOs is strictly regulated and constantly changing, Member States have official laboratories that carry out surveillance and control activities including analyses, and scientific and technical monitoring. ANSES houses one of the three National Reference Laboratories (NRL) within its Plant Health Laboratory in Angers.

ANSES’s work with plants

Updated on 19/09/2016

Keywords : Plant health, ANSES

ANSES calls on the expertise of its various entities to apply a cross-disciplinary approach to plant health issues.

Resistance of pests to plant protection products

Updated on 04/08/2016

Keywords : Plant health

The mission of the Agency’s Lyon Laboratory, through its Resistance to plant protection products unit, is to study phenomena of resistance to plant protection products emerging in the main plant pests: fungi, insects and weeds.

Corn rootworm

Updated on 19/09/2016

Keywords : Plant health

The corn rootworm is an insect that grows on maize roots and plants. Damage is caused mainly by older larvae that attack the brace root of the plants. These attacks result in nutritional deficiency, which weakens the plants and causes them tolean. This insect is regulated at the EU level (Directive 2000/29/EC), and is subject to mandatory control.

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