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 lineolatus 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. E. 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 E. lineolatus and P. alienus in BN are in progress. ©2006 IEEE.

New findings on phytoplasmas-affected Auchenorrhyncha populations in Sardinian vineyards

Botti, Simona;Bertaccini, Assunta
2006

Abstract

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 lineolatus 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. E. 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 E. lineolatus and P. alienus in BN are in progress. ©2006 IEEE.
2006
2006 1st International Symposium on Environment Identities and Mediterranean Area, ISEIM
622
624
Prota, Vanda A.*; Sechi, Aimone; Tolu, Giovanni; Garau, Raimondo; Botti, Simona; Bertaccini, Assunta
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/686456
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