First report of tomato chlorotic dwarf viroid isolated from symptomless petunia plants (Petunia spp.) in Japan
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A viroid was detected for the first time in symptomless petunia plants (Petunia spp.) and identified as Tomato chlorotic dwarf viroid (TCDVd) based on an analysis of the complete genomic sequence. These petunia plants are a likely source of inoculum for tomato or potato plants because TCDVd induces severe symptoms on these plants. The genomic sequence of this petunia isolate from Japan shared 100 % identity with petunia isolates from the Netherlands and United Kingdom and a tomato isolate from Japan. Phylogenetic analysis showed that all petunia isolates and the tomato isolate from Japan formed a monophyletic clade.
KeywordsPetunia Petunia spp. Potato spindle tuber viroid (PSTVd) Tomato chlorotic dwarf viroid (TCDVd)
This work was supported by Grants-in-Aids for Scientific Research from the Japan Society for the Promotion of Science.
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