Document Detail

Is Roesleria subterranea a primary pathogen or a minor parasite of grapevines? Risk assessment and a diagnostic decision scheme.
MedLine Citation:
PMID:  22318129     Owner:  NLM     Status:  Publisher    
In the past the root rot pathogen Roesleria subterranea (Ascomycota) was generally considered as a minor parasite, a view with which we were often confronted during field work in German wine-growing regions where this ascomycete recently caused serious problems in established vineyards and at replant sites. To irrevocably demonstrate that R. subterranea is not a minor, but a primary pathogen of grapevines (and fruit trees) a pest risk analysis was carried out according to the guidelines defined by EPPO standard series PM 5, which defines the information needed, and contains standardised, detailed key questions and a decision support scheme for risk analysis. Following the provided decision scheme, it becomes apparent that R. subterranea must be considered as a serious, primary pathogen for grapevines and fruit trees that can cause massive economic losses. Based on the literature, the pathogen seems to be ubiquitous in wine growing regions in cool climates of the northern hemisphere. It is likely that because of its growth below ground, the small fruiting bodies, and ambiguous symptoms above ground, R. subterranea has been overlooked in the past and therefore, has not been considered as primary pathogen for grapevine. Available published information together with experience from field trials was implemented into a diagnostic decision scheme which will, together with the comprehensive literature provided, be the basis (a) to implement quick and efficient diagnosis of this pathogen in the field and (b) to conduct risk analysis and management in areas where R. subterranea has not established yet.
Sigrid Neuhauser; Lars Huber; Martin Kirchmair
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Publication Detail:
Journal Detail:
Title:  European journal of plant pathology / European Foundation for Plant Pathology     Volume:  130     ISSN:  0929-1873     ISO Abbreviation:  -     Publication Date:  2011 Aug 
Date Detail:
Created Date:  2012-2-9     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100955210     Medline TA:  -     Country:  -    
Other Details:
Languages:  ENG     Pagination:  503-510     Citation Subset:  -    
Institute of Microbiology, Leopold-Franzens-University Innsbruck, Technikerstr. 25, 6020 Innsbruck, Austria,
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Grant Support
T 379-B16//Austrian Science Fund FWF

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