The begomovirus of ssDNA genome is predominantly ruling and causing serious diseases in plants especially vegetable crops in the state West Bengal, India. Incidence of begomo viruses in tomato, chilli, pepper, okra, tapioca, sweetpotato, papaya and all types of beans are the major limiting factor for its cultivation. In the present study we report new host of tomato leaf curl virus (TLCV) infects ridge gourd (Luffa acutangula) in India and confirmed the presence of Tobacco curly top begomovirus in tomato. The cloned PCR product was sequenced (Accession No. HF679119) and confirmed the sequence homology of AC1 gene for replication initiation protein of TLCV with high sequence similarity (94-96%) with nucleotide sequence of TLCV Joydebpur isolate. Further, the PCR product of tomato was cloned and sequenced which confirmed the presence of Tobacco Curly Top begomovirus (Accession No. HF679120) West Bengal isolate which is very close to other Indian and Nepal isolates but distantly related to China isolates.

Ridge gourd and tomato, the new host of tomato leaf curl virus and tobacco bushy curly top Begomoviruses in the state West Bengal, India

248th National Meeting (2014)

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