TY - SER AU - Pozzer,L. AU - Silva,J.B.C. AU - Dusi,A.N. AU - Kitajima,E.W. TI - Performance of micropropagated sweet potato plants after two field propagations and rate of reinfection by sweet potato feathery mottle virus KW - Batata Doce KW - Infeccao KW - Virus ER -