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First report of Blackberry chlorotic ringspot virus in black raspberry (Rubus coreanus) in Korea.

Seo, J. K. ; Kim, M. K. ; Kwak, H. R. ; Choi, H. S.

Plant Disease 2017 Vol 101 No. 5 pp. 848-849;

Abstract

In June 2015, during a survey conducted in commercial black raspberry (Rubus coreanus) fields in Sunchang, Korea, symptoms of severe stunting and yellowing were observed in many black raspberry plants. Leaf samples were collected from 10 symptomatic black raspberry plants. To identify the causal agent(s) of the virus-like symptoms, total RNA was extracted from one of the collected samples and subjected to transcriptome analysis by next-generation sequencing. Results of nucleotide sequence analysis revealed the causal agent as Blackberry chlorotic ringspot virus (BCRV). While BCRV was found to induce symptoms of chlorotic spotting and ringspots in Rubus spp., the isolate identified in this study induced severe stunting and yellowing. Currently, only one complete genome sequence of BCRV (the isolate from U.K.) is available in GenBank. This study identified BCRV infecting black raspberry in Korea for the first time and reports its complete genome sequence.