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What if esca disease of grapevine were not a fungal disease?

Fungal Diversity 2012年第3期54卷 51-67页

作者： Valérie Hofstetter Bart Buyck Daniel Croll Olivier Viret Arnaud Couloux Katia Gindro Agroscope Changins-Wädenswil(ACW) Plant Protection Field Crops and Grapevine/Viticulture and EnologyCP10121260 Nyon1Switzerland Muséum National d’Histoire Naturelle Dépt.Systématique etévolutionCP 39UMR 720557 rue Cuvier75231 Paris cedex 05France Plant Pathology Institute for Integrative BiologyETH Zurich8092 ZurichSwitzerland Centre national de séquençage Genoscope2 rue Gaston-CrémieuxCP 570691057 Evry cedexFrance

esca disease,which attacks the wood of grapevine,has become increasingly devastating during the past three decades and represents today a major concern in all wine-producing *** disease is attributed to a group of systematically diverse fungi that are considered to be latent pathogens,however,this has not been conclusively *** study presents the first in-depth comparison between the mycota of healthy and diseased plants taken from the same vineyard to determine which fungi become invasive when foliar symptoms of esca *** unprecedented high fungal diversity,158 species,is here reported exclusively from grapevine wood in a single Swiss vineyard *** identical mycota inhabits wood of healthy and diseased adult plants and presumed esca pathogens were widespread and occurred in similar frequencies in both plant *** esca-associated fungi are not transmitted from adult to nursery plants through the grafting *** the presumed esca-associated fungal pathogens are most likely saprobes decaying already senescent or dead wood resulting from intensive pruning,frost or other mecanical injuries as *** cause of esca disease therefore remains elusive and requires well executive scientific *** results question the assumed pathogenicity of fungi in other diseases of plants or animals where identical mycota are retrieved from both diseased and healthy individuals.

关键词： Fungal community Vitis vinifera esca disease ITS based fungal identification Fungal pathogens

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