TY - SER AU - Destéfano,S.A.L. AU - Rodrigues Neto,J. TI - Rapid differentiation of Xanthomonas strains causing disease in citrus plants by PCR-RFLP of the 16S-23S rDNA spacer region KW - FRUTA CÍTRICA KW - CANCRO CÍTRICO KW - DNA KW - LINHAGEM ER -