First Report of Tomato chlorosis virus in Italy

During winter 2000-2001, an unusual disease of tomato was observed in some greenhouses in Sardinia, Sicily, and Apulia, in southern Italy. Plants were chlorotic and reduced in size, expanded leaves showed interveinal yellowing, and older leaves developed interveinal reddish-bronze necrosis and downw...

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Veröffentlicht in:Plant disease. - 1997. - 85(2001), 11 vom: 01. Nov., Seite 1208
1. Verfasser: Accotto, G P (VerfasserIn)
Weitere Verfasser: Vaira, A M, Vecchiati, M, Finetti Sialer, M M, Gallitelli, D, Davino, M
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2001
Zugriff auf das übergeordnete Werk:Plant disease
Schlagworte:Journal Article
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520 |a During winter 2000-2001, an unusual disease of tomato was observed in some greenhouses in Sardinia, Sicily, and Apulia, in southern Italy. Plants were chlorotic and reduced in size, expanded leaves showed interveinal yellowing, and older leaves developed interveinal reddish-bronze necrosis and downward rolling. The symptoms resembled those recently reported from Portugal (1) as induced by Tomato chlorosis virus (ToCV) (family Closteroviridae, genus Crinivirus), a whitefly-transmitted virus new to Europe. Symptomatic leaf tissues were extracted and analyzed by reverse transcription-polymerase chain reaction as described by Louro et al.(1). The 439-bp ToCV-specific DNA fragment was amplified in samples collected from 6 of 14 greenhouses in Sardinia, 2 of 5 greenhouses in Sicily, and 1 of 1 greenhouse in Apulia. The sequence of the fragment obtained from a Sicilian isolate (GenBank Accession No. AY048854) showed more than 99% identity to ToCV isolates (Accession Nos. AF024630 and AF234029) from the United States and Portugal, respectively. Infestations of Trialeurodes vaporariorum and Bemisia tabaci have been reported in autumn. To our knowledge, this is the first report of ToCV in Italy. Although we found the virus in three regions of the country, its distribution is likely to be wider, since the symptoms can be mistaken for those of a physiological disorder or of Tomato infectious chlorosis virus, another crinivirus infecting tomato. Reference: (1) Louro et al. Eur. J. Plant Pathol. 106:589, 2000 
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700 1 |a Vaira, A M  |e verfasserin  |4 aut 
700 1 |a Vecchiati, M  |e verfasserin  |4 aut 
700 1 |a Finetti Sialer, M M  |e verfasserin  |4 aut 
700 1 |a Gallitelli, D  |e verfasserin  |4 aut 
700 1 |a Davino, M  |e verfasserin  |4 aut 
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