Variation of Wood Qualities along Tree Height and Growth and Correlation Analysis of Multiple-traits in Poplar Hybrid Variation of seedling physiological biochemical indexes and early selection of Ginkgo biloba Age Trends of Genetic Parameters for Growth Traits in Short Rotation Larix kaempferi Families A Study on the Early Selection of Superior Paulownia Clones Variation for Oleoresin Yielding Capability and Growth among Families and Early Selection for Superior Families in Pinus massoniana Phenological Variation of Larix kaempferi and Its Hybrid Clones and Early Selection Application of future net worth model in early selection of Larix kaempferi Genetic Variation and Early Selection of Provenances and Families of Acacia mearnsii Variation of Ring Width and Wood Basic Density and Early Selection of Pinus massoniana Provenances Provenance Selection Effect at Different Stand Age of Pinus massoniana RELATIONSHIP BETWEEN HORMONE CONTENT AND GROWTH IN LARIX OLGENSIS HENRY AND ITS APPLICATION IN EARLY SELECTION THE INVESTIGATION OF SELECTION AGE IN WHITE ELM PROVENANCE TEST A PRELIMINARY STUDY ON GENETIC CONTROL OF GROWTH TRAITS AND EARLY SELECTION OF CHINESE FIR (CUNNINGHAMIA LANCEOLATA HOOK) CLONES RESEARCH ON WOOD PROPERTIES IMPROVEMENT Ⅶ STUDY ON EARLY SELECTION OF WOOD DENSITY IN NEW POPLAR CLONES OF POPULUS DELTOIDES×P.SIMONII Hazard Analysis of Anoplophora chinensis and Early Comprehensive Selection of Betula alnoides Provenances in Northern Guangdong Province A STUDY ON OPTIMUM AGE AND GAIN FOR EARLY SELECTION OF SUPERIOR CLONE IN CUNNINGHAMIA LANCEOLATA HOOK GENETIC GROUNDS OF EARLY SELECTION FOR SINGLE CROSSES IN WHEAT STUDY ON EARLY SELECTION IN PINUS TABULAEFORMIS CARR Phenological Variation of Larix Species and Their Intra Species andInter Species Hybrid Families and Early Selection Age Changes and Genetic Analysis of the Resin-Yielding Capacity of Open-Pollinated Families of Masson Pine Early selection of drought-resistant  superior families of Reaumuria soongorica based on the analysis of osmoregulation substances and chlorophyll. Early Selection of Phenological Types of Cunninghamia lanceolata The Early Selection of OPen Pollinated Families of Slash Pine Research on Open-pollination Progeny Test in Loblolly Pine(Pinus taeda) Early Selection of Poplar Clones Resistant to Coryneum populinum in Vitro Culture Analysis of Stage Test and Height Selection of Open-pollinated Pinus tabulaeformis Family Variation in Traits of Picea likiangensis var. linzhiensis Seedlings from Different Provenances Family variation of Pinus massoniana in phosphorus efficiency and retrospective analysis between seedling growth and field trails Study on Photosynthesis of Eucalyptus Clones Seedling Study on the Growth Character Correlation of Chinese Fir Clone and Early Selection Research on Genetic Variation and Early Selection of the Provenances and Open-pollinated Families of Eucalyptus urophylla Preliminary Study on a Progeny Trial of Eucalyptus tereticornis