Occurrence of CymMV in orchids of the genus Arundina in the State of Rio de Janeiro.

Plants of Arundina bambusifolia Lindl. were collected in Teresópolis, RJ, exhibiting typical symptoms associated with the presence of viruses: necrotic spots on flowers, stems and leaves, malformation of the flower buds and abortion of new canes. This work aims to report the occurrence of this disease in the State of Rio de Janeiro, affecting an orchid species of great importance for the market of landscaping and floriculture at the present time. Serologic tests confirmed the presence of the Cymbidium mosaic virus infecting these plants.