Introduction experiment and superior families selection of Eucalyptus Saligna were relatively systemically reported in this paper based on the 42 families test forest of Eucalyptus Saligna which were established at Yong an National Forest Farm of Sanming, Fujian Province in spring,2002. Based on the data of growth traits, form and quality traits and adaptability traits that were collected systemically during from 2003 to 2005, the genetic variations and correlations of growth traits, wood basic density, rat...