Analysis on Economic Breeding Values of Usual Sugarcane Parents and Their Crosses Age Changes and Genetic Analysis of the Resin-Yielding Capacity of Open-Pollinated Families of Masson Pine Spatial Analysis of Loblolly Pine Trees as Gene Resources Prediction of Breeding Values and Selection to the Gene Resources of Loblolly Pine STUDY ON PREDICTING METHOD OF BREEDING VALUES IN PAULOWNIA The Simple Estimation of the Breeding Value of Fruit Parents for Hybridization Genetic Analysis and Breeding Value Estimation of Seedling Seed Orchard of Eucalyptus urophylla I.Establishment Based on Backward Selection Study on Integrated Selection and Estimation of the Breeding Value in Eucalyptus wetarensis Provenances Genetic Analysis and Breeding Value Predication of Seedling Seed Orchard of Masson Pine Study on the Early Prediction of Breeding Value for Paulownia tomentosa