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Abstract

Not AvailableTwo virus isolates (OY77 and OY81B) from okra plants showing yellow vein mosaic, downward curling and vein twisting symptoms were collected from different farmer’s fields in Karnal, Haryana state, India. The genomes of the two isolates were amplified, cloned, sequenced and analysed. The analysis indicated that the isolates are similar with 89.2% nucleotide sequence identity. Based on the current threshold cut-off value for taxonomy distinguishing the genus begomoviruses species from strains, the two isolates are designated as strains of Cotton leaf curl Alabad virus (CLCuAV) which shared nucleotide sequence identity of 490% with CLCuAV infecting cotton in Pakistan. Phylogenetic and recombination analyses of the major genome component of OY77 and OY81B is derived from different begomviruses (CLCuAV, BYVMV, CLCuMuV) as the foremost parents for evolution of these new recombinant strains.Not Availabl

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