Bulletin of Insectology (2011) 64, S193-S194

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Guido Marchi, Nicoletta Contaldo, Piero Braccini, Samanta Paltrinieri, Domenico Rizzo, Tamara Cinelli and Assunta Bertaccini (2011)
Epidemiology of 'bois noir' disease and molecular variability of associated phytoplasmas in organic vineyards in Tuscany (Italy)
Bulletin of Insectology 64 (Suppl.), S193-S194
Second International Phytoplasmologist Working Group Meeting (IPWG), Neustadt an der Weinstraße (Germany) September 12-15, 2011
Abstract: The spread of 'bois noir' disease in grapevine was monitored in three organic vineyards in Tuscany (Italy). Annual incidence, infection and recovery rates were calculated to describe changes in the epidemic with time. In general symptomatic plants showed the recovery in a relatively short time, meanwhile the infection rate decreased rapidly after the second year of assessments. The temporal dynamics of infection and recovery rates were satisfactorily fitted to a power and polynomial models, respectively. Survey on the herbaceous vineyard weeds allow to identify 16SrXII phytoplasmas, polymorphisms in 16Sr and tuf genes were detected.
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Full text of article
Database assignments for author(s): Guido Marchi, Nicoletta Contaldo, Assunta Bertaccini, Tamara Cinelli

Research topic(s) for pests/diseases/weeds:
population dynamics/ epidemiology

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


16SrXII phytoplasma group Grapevine (Vitis) Italy
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