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Detection of olive-infecting viruses in the Mediterranean basin
Journal Title, Volume, Page:
Proc. 4th IS on Olive Growing, Eds. C. Vitagliano & G.P. Martelli Acta Hort. 586, ISHS 2002
Year of Publication:
2002
Preferred Abstract (Original):
Olive
(Olea europaea) is host of 13 different viruses but, it is possible
that other viruses, which are either non mechanically transmissible or
occur in low concentration in plant tissues, are present in nature. This
likelihood is supported by the widespread occurrence of double-stranded
RNAs (dsRNAs) in plants negative to biological tests. As very little
information is available on the geographical distribution of
olive-infecting, investigations were conducted for gathering information
on the prevalence and distribution of olive viruses in the
Mediterranean basin based on the presence of double stranded RNA
(dsRNA). A total of 527 samples were collected throughout the surveys
covering 10 countries and 83 locations. Out of 286 tested samples
collected from 6 Italian regions, 210 (73.4%) were dsRNA positive,
whereas the average of viral infections in the Mediterranean basin was
64.5%. Molecular hybridisation tests, on 25 % of dsRNA-positive samples
collected in Apulia, revealed the presence of the three nepoviruses
(ArMV, CLRV and SLRSV), OLYaV and OLV-1.
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| Detection_of_olive-infecting_viruses_in_the_Mediterranean_basin.pdf | 271.92 KB |
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