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Reproducing Botryosphaeria dieback foliar symptoms in a simple model system

Reis, Pedro ; Magnin-Robert, Maryline ; Nascimento, Teresa ; Spagnolo, Alessandro ; Abou-Mansour, Eliane ; Fioretti, Cristina ; Clément, Christophe ; Rego, Cecilia ; Fontaine, Florence

In: Plant Disease

Botryosphaeria dieback is a grapevine trunk disease with a worldwide distribution and associated with Diplodia seriata and Neofusicoccum parvum among several other Botryosphaeriaceae species. The aforementioned xylem-inhabiting fungi cause wood lesions, leaf and berry symptoms and eventually lead to the death of the plant. The aim of this work was to develop a simple model system to reproduce the...

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Changes in plant metabolism and accumulation of fungal metabolites in response to Esca proper and apoplexy expression in the whole grapevine

Magnin-Robert, Maryline ; Spagnolo, Alessandro ; Boulanger, Anna ; Joyeux, Cécile ; Clément, Christophe ; Abou-Mansour, Eliane ; Fontaine, Florence

In: Phytopathology

Trunk diseases have become among the most important grapevine diseases worldwide. They are caused by fungal pathogens that attack the permanent woody structure of the vines and cause various symptoms in woody and annual organs. This study examined modifications of plant responses in green stem, cordon and trunk of grapevines expressing Esca proper (E) or apoplexy (A) event, which are the most...

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