Family: Orchidaceae Ornamental
Cymbidium mosaic virus (CymMV)
Taxonomic position
Genus: Potexvirus Family: Alphaflexiviridae
CymMV infection in plants of Angraecum spp. was detected in Hawaii (Hu et al. 1993). The virus-infected plants exhibit symptoms of elongated, purple-black streaks on the older leaves. Yellow blotches are sometimes visible on the new growth. Older leaves drop prematurely when infection is severe. The virus is mechanially sap-transmissible. The virus also spreads through contact by contaminated cutting tools, equipment, human hands, potting media, or water. No vector transmission is reported. For more details of CymMV, refer to Cymbidium spp.
Orchid fleck dichorhavirus (OFV)
Taxonomic position
Genus: Dichorhavirus Family: Rhabdoviridae
OFV infection in plants of Angraecum spp. was reported from Australia (Kitajima et al. 2001). The virus-infected plants exhibit symptoms of chlorotic and necrotic spots and rings. The virus is transmitted by mite vectors in a...
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References
Hu JS, Ferreira S, Wang M, Xu MQ (1993) Detection of Cymbidium mosaic virus, Odontoglossum ringspot virus, Tomato spotted wilt virus, and potyviruses infecting orchids in Hawaii. Plant Dis 77:464–468
Kitajima EW, Kondo H, Mackenzie A, Rezende JAM, Gioria R, Gibbs A, Tamada T (2001) Comparative cytopathology and immunocytochemistry of Japanese, Australian and Brazilian isolates of Orchid fleck virus. J Gen Plant Pathol 67:231–237
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Sastry, K.S., Mandal, B., Hammond, J., Scott, S.W., Briddon, R.W. (2019). Angraecum spp.. In: Encyclopedia of Plant Viruses and Viroids. Springer, New Delhi. https://doi.org/10.1007/978-81-322-3912-3_56
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DOI: https://doi.org/10.1007/978-81-322-3912-3_56
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Publisher Name: Springer, New Delhi
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Online ISBN: 978-81-322-3912-3
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