TY - SER AU - Musumeci,M.R. AU - Nicholson,R.L. AU - Moraes,W.B.C. AU - Kuc,J. TI - Esterase activity associated with wredospores of Hemileia Vastatrix [Ferrugem; Cafe; Coffea arabica; Uredosporo] KW - DOENCA DE PLANTA KW - CAFE KW - FERRUGEM ER -