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  • Simon Nordestgaard, Australian Wine Research Institute
    VIDEO SEMINAR ENOFORUM 2018: Simon Nordestgaard conference at Enoforum 2018 summarise the latest research on wine storage and transport from around the world and provide practical guidance for prod...
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    Published on: 30/01/2019

Effect of abiotic stresses on the physiology of grapevine infected by Botryosphaeriaceae

Aurélie SONGY ; Université de Reims Champagne-Ardenne , IFV

Effect of abiotic stresses on the physiology of grapevine infected by Botryosphaeriaceae

Botryosphaeria dieback is one of the most widespread and prevalent grapevine trunk diseases (GTDs) in Europe, especially in France. External symptoms, whose incidence and intensity vary from one year to another, consists mainly in bud necrosis, leaf discoloration, shoot dieaback and dead arms.

In wood, brown stripe and necrotic sectors, wedge shaped necrosis are present. Causal agents of this disease are Botryosphaeriaceae and among them, Neofusicoccum parvum and Diplodia seriata are frequently isolated.

Their aggressiveness tends to be affected by environmental factors especially temperature that may act as a triggering factor. In this context, our study focuses on the characterization of the influence of two environmental factors, temperature and water stress, on the interaction grapevine / D. seriata, N. parvum.

The paper reproduced in this video-seminar was presented at the International Congress on Grapevine and Wine Sciences - ICGWS (Logroño, Spain, November 7-9, 2018) organized by ICVV.

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Published on 10/07/2019
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