Diversity of diatrypaceous fungi associated with grapevine canker diseases in California

Eutypa lata is the most common diatrypaceous fungus in grapevine cankers. This study was undertaken to determine the presence and diversity of other members of the Diatrypaceae in grapevines in California. We isolated into pure culture 11 species of Diatrypaceae from the wood of diseased grapevines...

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Bibliographic Details
Published in:Mycologia 2010-03, Vol.102 (2), p.319-336
Main Authors: Trouillas, Florent P, Urbez-Torres, Jose R, Gubler, Walter D
Format: Article
Language:English
Subjects:
Base Sequence
California
cankers (plants)
Cryptosphaeria
Cryptosphaeria pullmanensis
Cryptovalsa
Cryptovalsa ampelina
Diatrypaceae
Diatrype
Diatrype oregonensis
Diatrype stigma
Diatrype whitmanensis
Diatrypella
Diatrypella verrucaeformis
DNA, Fungal - chemistry
DNA, Fungal - genetics
DNA, Ribosomal Spacer - chemistry
DNA, Ribosomal Spacer - genetics
Eutypa
Eutypa lata
Eutypella
fungal anatomy
fungal diseases of plants
Genetic Variation
grapes
internal transcribed spacers
Molecular Sequence Data
molecular systematics
pathogen identification
Phylogeny
Plant Diseases - microbiology
plant pathogenic fungi
Polymerase Chain Reaction
ribosomal DNA
Sequence Alignment
sequence analysis
Tubulin - chemistry
Tubulin - genetics
Vitaceae
Vitis - microbiology
Vitis vinifera
Xylariales - genetics
Xylariales - ultrastructure
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Summary:Eutypa lata is the most common diatrypaceous fungus in grapevine cankers. This study was undertaken to determine the presence and diversity of other members of the Diatrypaceae in grapevines in California. We isolated into pure culture 11 species of Diatrypaceae from the wood of diseased grapevines including Cryptosphaeria pullmanensis, Cryptovalsa ampelina, Diatrype oregonensis, D. stigma, D. whitmanensis, Diatrype sp., Diatrypella verrucaeformis and four putative species of Eutypella. Species were identified or grouped morphologically and by phylogenetic analyses of the complete sequence of the internal transcribed spacer (ITS) of the rDNA and β-tubulin gene. Diatrypaceous fungi also occurred frequently on the native flora surrounding vineyards, thus serving as possible inoculum sources for these putative pathogens.
ISSN:0027-5514
1557-2536
DOI:10.3852/08-185