Image Number: 0176031

Photographer:
Descriptor:
Symptoms
Description:
Detail of grapevine berries infected by Guignardia bidwellii: browning, bluing and desiccation of berries; presence of numerous black dots (pycnidia or young perithecia).
Image type:
Field

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Image location:
France

Subject

Kingdom: Fungi
Phylum: Ascomycota
Subphylum: Pezizomycotina
Class: Dothideomycetes
Subclass: Dothideomycetidae
Order: Incertae sedis
Family: Botryosphaeriaceae
Genus: Guignardia
Subject: Guignardia bidwellii (Ellis) Viala & Ravaz

Host

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Subclass: Rosidae
Order: Rhamnales
Family: Vitaceae
Genus: Vitis
Subject: Vitis vinifera L.
Node Affiliation:
Image uploaded:
Wednesday, November 10, 2004
Image last updated:
Thursday, May 19, 2011