Banana bunchy top virus

The tufts top disease of banana ( bunchy -top disease, abbreviated BBTV or Musa virus 1 ) is a viral disease of the dessert banana. The virus belongs to the family of Nanoviridae and has icosahedral (twenty -surface ) capsid 18-20 nm in diameter. The genome consists of at least six circular ( ) ssDNA sections. BBTV is transmitted by the aphid Pentalonia nigronervosa. The fight is achieved by the use of virus-free planting material and the immediate destruction of diseased plants.