Twelve rooststocks on the intensive of citrus variegated chlorosis (CVC) in 'Folha Murcha' sweet orange in Bebedoruo, SP, Brazil - Cantuarias-Avilés, T.; Stuchi, E. S.; Mourão Filho, Francisco de Assis Alves; Silva, S. R. (Conference of the International Organization of Citrus Virologists, 2007)