Citrus yellow mosaic virus is associated with mosaic disease in Rangpur lime rootstock of citrus.

摘要

A mosaic disease was observed in Rangpur lime rootstock in a citrus orchard in Tirupati, Andhra Pradesh, India. Electron microscopy showed bacilliform virus particles in the diseased leaf tissues. We cloned and sequenced part of intergenic region and ORF III of the viral genome. Sequence analysis showed that it has high sequence identity in ORF III with other Indian isolate of Citrus yellow mosaic virus (CYMV) infecting sweet orange of citrus, but showed variability in intergenic region. Phylogenetic analysis of badnaviruses indicated that CYMV was most closely related to Cacao swollen shoot virus. The intergenic region contained putative transcriptional elements similar to other badnaviruses..