Tropical ornamental plants: Brazilian overview of viral infections and management

Abstract Ornamental plants, which were originally grown for magical or esthetic reasons, have gained industrial status in recent decades, contributing economically to the development of several countries. The presence pathogens, especially viruses, can interfere production by causing symptoms leaves and flowers, thereby depreciating product affecting normal plant growth. Furthermore, perennial species act as a natural reservoir other crops. Depending on species, viruses be transmitted vegetative propagation, contact, insect vectors, pollen seeds. As such, knowledge genetic diversity, geographic distribution biological properties may contribute preventing future infections. In this review, number tropical infected reported Brazil are presented, highlighting first occurrences new viral species. Aspects related virus control management ornamental plants also discussed.