Investigation on the Habitat and Natural Regeneration Capacity of Dracaena cambodiana Population Rapid propagation of Dracaena cambodiana in vitro Seed Germination and Its Environment Adaptability of Endangered Tree Dracaena cambodiana Geographical Distribution of Wild Dracaena cambodiana in China and Its Relationship with Hydrothermal Factors Antibacterial components from artificially induced dragon‘s blood of Dracaena cambodiana Establishment of ISSR-PCR Reaction System and Screening of Effective Primers with ISSR Marker for Dracaena cambodiana Optimization of RAPD-PCR reaction systemfor Dracaena cambodiana