Detection and identification of Clerodendron golden mosaic China virus in Salvia splendens |
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| Authors: | Rodrigo A Valverde Raghuwinder Singh Sead Sabanadzovic |
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| Institution: | 1. Department of Plant Pathology and Crop Physiology, Louisiana State University Agricultural Center, Baton Rouge, LA, 70803, USA
2. Department of Biochemistry, Molecular Biology, Entomology and Plant Pathology, Mississippi State University, Mississippi State, MS, 39762, USA
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| Abstract: | Two viral DNAs were obtained by rolling circle amplification conducted on DNA extracts from salvia (Salvia splendens) cv. ‘Dancing Flame’ showing variegated foliage resembling virus symptoms. Sequence analyses revealed the presence of an isolate of the putative begomovirus Clerodendron golden mosaic China virus. The virus was detected in all salvia plants showing variegated foliage, but not in non-variegated plants. The virus was graft-transmitted to healthy salvias which reproduced the original symptoms. Attempts to transmit the virus with the whitefly Bemisia tabaci biotype B failed. The results of this investigation strongly suggest that the salvia isolate of Clerodendron golden mosaic China virus (ClGMCNV-SalUSA:LA:11]) is the cause of the variegated foliage of S. splendens cv. ‘Dancing Flame’. This is the first report of this virus in the United States. |
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