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Ascalaphe. © inra, Christian SLAGMULDER

Santé des plantes et environnement

Sans protection contre leurs agresseurs (maladies, insectes ravageurs etc), les récoltes seraient compromises, tant en quantité qu'en qualité. La protection des cultures a donc toujours été une composante majeure de la recherche menée par l'INRA au service de notre agriculture. Il est en effet essentiel, pour mieux les contrôler, de comprendre les mécanismes de développement des épidémies à l'échelle de la parcelle ou du paysage, ainsi que les processus moléculaires et cellulaires qui permettent à un micro-organisme de rendre une plante malade et à la plante de se défendre en retour.

Le département "Santé des Plantes et Environnement" ne se contente pas de déployer ses efforts pour améliorer l'efficacité, la spécificité et la robustesse de la protection des cultures. Une partie importante des recherches que nous menons a pour objet de mieux comprendre le fonctionnement des écosystèmes agricoles pour, d'une part, prévenir les épidémies et, d'autre part, évaluer les impacts de la phytoprotection sur l'environnement.

À la une
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VERGER  de cerisiers en  FLEUR . © INRA

Une nouvelle souche du virus de la Sharka, le pathogène viral le plus important des espèces fruitières à noyau, a été identifiée par des chercheurs de l’unité de recherche Biologie du Fruit et Pathologie de l’Inra Bordeaux Aquitaine, en collaboration avec des chercheurs russes, slovaques et espagnols.

Les unités du département