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Dernière mise à jour : Mai 2018

Menu Logo Principal ministère de l'Agriculture (DGER) CNIV Bordeaux Sciences Agro Université Champagne-Ardenne IFV ISVV

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Corio-Costet M-F, Comont G, Bellée A, Coppin C, Taris G, Gambier S, Dufour M-C (2015)

Dépérissement de la vigne : du nouveau sur les Botryosphaeriaceae impliqués dans ces maladies. Union Girondine des Vins de Bordeaux, mai, 60-62.

Résumé

La recherche en partenariat avec les filières, progresse au niveau des connaissances sur les maladies du bois qui ont fait l’objet de plusieurs projets Casdar au cours des 5 dernières années. La recherche est active et commence à porter ses fruits (programme COST européen, nombreuses publications issues des projets Casdar et autres, solution expérimentale en cours de validation).

Des résultats permettent de comprendre ce qu’il se passe, plusieurs espèces, voire de nouvelles espèces se partagent le bois de vigne. La distribution n’est pas identique dans les ceps malades et les asymptomatiques et les espèces ont des caractéristiques biologiques bien différentes. Il est possible d’observer comment la vigne se défend. Des outils existent mis au point à Bordeaux. Au vignoble, des résultats très encourageants ont été obtenus en 2014 : sur jeunes plants, il est possible d’empêcher la présence de nécroses et de chancres à l’aide de SDP naturel.