Abstract
Whitefly‐transmitted begomoviruses are the most important limiting factor for tomato cultivation in O man, particularly in the A l‐ B atinah region, the major agricultural area of the country. Commercial farms in the A l‐ B atinah region were surveyed during J anuary– M arch 2013. Samples of tomato showing leaf curl disease symptoms typical of begomoviruses were collected and analysed. Full‐length sequences of five clones were shown to have relatively low percentage identity values to known begomoviruses, with the highest (88·6%) to isolates of T omato leaf curl O man virus ( T o LCOMV ), a begomovirus previously reported in O man, indicating that these represent a newly identified species, for which the name T omato leaf curl B arka virus ( T o LCB r V ) is proposed. Four isolates of To LCB rV were found associated with Tomato leaf curl betasatellite ( T o LCB ). The five isolates of T o LCB rV characterized in this study were shown to be recombinants, with T o LCOMV as the major parent, and a fragment of C roton yellow vein virus ( C r YVV ) spanning the 3′ half of the replication‐associated protein. The significance of these findings is discussed.
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Claims 4
Claim · model-written summary
Five clones had low identity to known begomoviruses, with highest identity 88·6% to T omato leaf curl O man virus.
- Taxon
- begomoviruses
Begomoviruse0 - Outcome
- percentage identity valuese0
- Direction
- higheste0
- Value
- 88·6%e0
- Comparator
- T omato leaf curl O man viruse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Full‐length sequences of five clones were shown to have relatively low percentage identity values to known begomoviruses, with the highest (88·6%) to isolates of T omato leaf curl O man virus ( T o LCOMV )”
Claim · model-written summary
The isolates represent a newly identified species proposed as T omato leaf curl B arka virus.
Verbatim
e0“indicating that these represent a newly identified species, for which the name T omato leaf curl B arka virus ( T o LCB r V ) is proposed.”
Claim · model-written summary
Four To LCB rV isolates were associated with Tomato leaf curl betasatellite.
Verbatim
e0“Four isolates of To LCB rV were found associated with Tomato leaf curl betasatellite ( T o LCB ).”
Claim · model-written summary
All five T o LCB rV isolates were recombinants with T o LCOMV as major parent and a C r YVV fragment spanning the replication-associated protein's 3′ half.
Verbatim
e0“The five isolates of T o LCB rV characterized in this study were shown to be recombinants, with T o LCOMV as the major parent, and a fragment of C roton yellow vein virus ( C r YVV ) spanning the 3′ half of the replication‐associated protein.”