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New findings on phytoplasmas-affected Auchenorrhyncha populations in Sardinian vineyards

Prota, Vanda Assunta and Sechi, Aimone and Tolu, Giovanni and Garau, Raimondo and Botti, Simona and Bertaccini, Assunta (2007) New findings on phytoplasmas-affected Auchenorrhyncha populations in Sardinian vineyards. In: Environment Identities and Mediterranean Area, 2006: ISEIMA '06: 1st International Symposium, 9-12 July 2006, Corte-Ajaccio, France. Piscataway, IEEE. p. 622-624. ISBN 1-4244-0231-X. Conference or Workshop Item.

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DOI: 10.1109/ISEIMA.2006.345015


Epidemiological research was carried out in two vineyards affected by "Bois noir" (BN). Auchenorrhyncha potential vectors of BN, were monitored periodically between May to November 2004 in a vineyard and between May to June 2005 in the other. Auchenorrhyncha samples were tested to assess phytoplasmas presence using PCR and RFLP. Euscelis ttneolatus was positive to 16SrI-C ("Clover phyllody" reference strain) in 2004 while, in 2005, at the preimaginal age, at the 16SrXII -A ("Stolbur" reference strain) phytoplasmas. Exitianus taeniaticeps acquired 16SrI-B ("Maryland aster yellow" reference strain), 16SrV-A ("Elm yellow" reference strain) and 16SrX-C ("Pear decline" reference strain) phytoplasmas in 2004. Resulted news host of phytoplasmas: Psammotettix alienus was positive to 16SrI-B, 16SrV-A, 16SrX- A phytoplasmas ("Apple proliferation" reference strain) in 2004 and to 16SrXII -A in 2005. K. lineolatus and P. alienus for 16SrXII -A E. taeniaticeps for 16SrV-A 16SrX-C and P. alienus for 16SrV-A and 16SrX-A Researches on the effective epidemiological role of K. lineolatus and P. alienus in BN are in progress.

Item Type:Conference or Workshop Item (Paper)
ID Code:2814
Uncontrolled Keywords:Auchenorrhyncha, Bois noir (BN), epidemiology, Sardinia
Subjects:Area 07 - Scienze agrarie e veterinarie > AGR/12 Patologia vegetale
Divisions:001 Università di Sassari > 01 Dipartimenti > Protezione delle piante
Publisher Policy:Depositato in conformità con la politica di copyright dell'Editore
Deposited On:25 Aug 2009 09:59

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