Kuhn, G.B. Lin, M.T. Costa, C.L. Transmissao, circulo de hospedeiras e sintomatologia do virus do mosaico do picao Parte de tese Transmission, host rang and symptomatology of bidens mosaic virus [Part of thesis] Subjects--Topical Terms: Doenca de plantaMosaicoHospedeiroPicao pretoInoculacao