Survey for assessing the status of incidence of virus diseases in tissue culture and sucker propagated banana gardens
Keywords:Banana, survey, viruses, tissue culture
Abstractanana (Musa paradisiaca) is a herbaceous plant belonging to the family Musaceae of the genus MusaÂ and is native to the tropical region of South East Asia. Banana is cultivated throughout tropics andÂ subtropics. The banana viral diseases have been causing considerable damage to banana production inÂ banana growing areas due to their systemic invasion and common spread through vegetatively propagatedÂ planting materials. Banana gardens established using tissue culture derived plants as well as suckers wereÂ surveyed to assess the status of banana viruses. Random samples were collected in individual field showingÂ characteristic viral symptoms and confirmed for the infection of respective viruses through PCR or ELISA.Â Results revealed occurrence of all four major viruses viz., BBTV, BSV, CMV and BBrMV. Among the fourÂ viruses, the most frequent were BBTV and BSV. The incidence in ratoon crop (2.8%) was significantly highÂ compared to main crop (1.6%) irrespective of type of planting material used for establishing plantations.
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