Detection of the Candidatus Liberibacter americanus in phloem vessels of experimentally infected Cataranthus roseus by scanning electron microscopy - Tanaka, Francisco Andre Ossamu; Della Coletta-Filho, H; Alves, K. C. S; Spinelli, Myldred Ometto; Machado, M. A; Kitajima, Elliot Watanabe (Fitopatologia Brasileira, 2007)