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Detection of Olive-Infecting Viruses in the Mediterranean Basin

Saponari, Maria; Alkowni, Raed; Driouech, Noureddin; Hassan, Mohamed; Grieco, Francesco; Pantaleo, Antonio; Biagio, Di Terlizzi; Digiaro, Michele; Savino, Vito and Martelli, P. Giovanni (2002) Detection of Olive-Infecting Viruses in the Mediterranean Basin. ISHS Acta Horticulturae: IV International Symposium on Olive Growing , October 2002, 586, pp. 787-790.

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Summary

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


EPrint Type:Newspaper or magazine article
Keywords:Olea europaea, virus epidemiology, diagnosis, dot-blot assay, dsRNA
Subjects: Crop husbandry > Crop health, quality, protection
Crop husbandry > Production systems > Fruit and berries > Olive
Research affiliation: Italy > IAMB Mediterranean Agronomic Institute Bari
Italy > Univ. Bari
Deposited By: Dr. Driouech, Noureddin Ph.D
ID Code:18846
Deposited On:12 Jun 2011 08:32
Last Modified:12 Jun 2011 08:32
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted

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