Analysis on Outcrossing Rate in a Masson Pine Clonal Seed Orchard during Early Phase of Seed Production Certification of Actual Genetic Gains from Good Planting Materials in Pinus massoniana A Fast-Growing Elite Variety of Masson Pine ‘The Seeds from Primary Clonal Seed Orchard of Masson Pine in Guangxi Tengxian Damangjie’ An Analysis of Genetic Parameters,Characters of Seed and Cone,and Cone Yield of Clones Grown in a Seed Orchard for Pinus massoniana Variation Analysis and Plus Family Selection on Half-Sib Progenies from Clonal Seed Orchard of Pinus massoniana Paternity analysis and pollen dispersal for the second generation clonal seed orchard of Pinus massoniana A Fast-Growing Elite Variety of Pinus massoniana‘The Seeds from Primary Clonal Seed Orchard of Masson Pine in Nanning Forestry Research Institute of Guangxi’ Genetic Variation of Cone Production in Clonal Seed Orchard of Masson Pine