Evaluation of Candidatus Liberibacter spp. in genetically transformed sweet orange Hamlin with Atacin A gene - Simões, T. S.; Boscariol Camargo, R. L.; Mendes, Beatriz Madalena Januzzi; Mourão Filho, Francisco de Assis Alves; Carlos, E. F.; Machado, M. A. (Internacional Research Conference on Huanglongbing, 2008)