Occurrence of Tomato spotted wilt virus (TSWV) in Jordan

Tomato spotted wilt virus was recorded for the first time in Jordan on tomato plants. Severe disease symptoms were observed in different tomato farms in the Jordan Valley. Using a specific primer pair a fragment of the capsid protein gene of the virus has been amplified by RT‐PCR and IC‐RT‐PCR. The...

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Bibliographic Details
Published in:Bulletin OEPP 2006-12, Vol.36 (3), p.517-522
Main Authors: Anfoka, Ghandi H., Abhary, Mohammad, Stevens, Mikel R.
Format: Article
Language:English
Subjects:
Lycopersicon esculentum
Tomato spotted wilt virus
Tomato yellow leaf curl virus
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Summary:Tomato spotted wilt virus was recorded for the first time in Jordan on tomato plants. Severe disease symptoms were observed in different tomato farms in the Jordan Valley. Using a specific primer pair a fragment of the capsid protein gene of the virus has been amplified by RT‐PCR and IC‐RT‐PCR. The amplified PCR product was cloned and sequenced. Sequence analysis revealed that the Jordanian isolate of TSWV shared high nucleotide similarities with other isolates from different countries. The sequence of the capsid protein gene was deposited in GenBank under the accession number AY646682. The response of different tomato breeding lines and hybrids, previously developed for resistance against Tomato yellow leaf curl virus (TYLCV) were tested for their reaction to TSWV infection. All tested lines and hybrids were susceptible to TSWV infection. This has been confirmed at the molecular level by using the SCAR 421 marker linked to the TSWV resistance gene Sw‐5.
ISSN:0250-8052
1365-2338
DOI:10.1111/j.1365-2338.2006.01052.x