Somatic Embryogenesis and Plantlet Regeneration from Immature Zygotic Embryos of Pinus thunbergii STUDIES ON THE GEOGRAPHICAL PROVENANCE OF PINUS YUNNANENSIS I.SEEDLING TEST THE EARLIER-LATER PERIOD CORRELATION OF INCREMENT OF PINUS YUNNANENSIS Allozyme Method in Study on Population Genetics of Pinus yunnanensis VARIATIONS IN TRACHEID FORMAL FEATURES OF PINUS TABULAEFORMIS CARR A STUDY ON THE LIFE TABLE OF PINUS TABULAEFORMIS CATERPILLAR POPULATION STUDIES ON THE CHARACTER VARIATIONS OF THE JUVENILE FOREST OF PINUS ARMANDI IN PROVENANCE TESTS FORMATION AND EVOLUTION OF STAND SYSTEM FOR PINUS YU NN ANENSIS ORGANIC FREE RADICALS AND FREE RADICAL SCAVENGERS IN OVERWINTERING CONIFER NEEDLES A STUDY ON THE INFLUENCE OF MAINLY ASSOCIATED TREE SPECIES ON GROWIH OF PINUS KORAIENSIS A REVIEW OF THE RESEARCH STATUS OF PINUS KESIYA VAR. LANGBIANENSIS IN SOUTHWESTERN CHINA A STUDY ON THE TECHNOLOGY OF FINGER-JOINTED LUMBER FROM THINNING STUDIES ON THE BIONOMICS OF GILPINIA MASSONIANA AND ITS CONTROL STUDIES ON THE RELATION OF GLUCOSE-6-PHOSPHATE DEHYDROGENASE AND PHENYLALANINE AMMONIA LYASE IN SLASH NEEDLES WITH RESISTANCE TO BROWN SPOT NEEDLE BLIGHT GEOGRAPHIC VARIATION IN FOLIAR MINERAL ELEMENT CONCENTRATIONS OF PINUS ARMANDII SEED SOURCES A STUDY ON THE NUTRIENT CYCLING OF THE MINERAL ELEMENTS IN THE PINUS ELLIOTTII PLANTATION PRELIMINARY STUDIES ON RADIAL VARIATION PATTERNS OF WOOD PROPERTIES WITHIN TREES Ⅱ. STUDIES ON THE RADIAL VARIATION PATTERNS OF WOOD DENSITY IN 7 CARIBBEAN PINE PROVENANCES A StUDY ON RESPUNSE OF CHINESE PINE (PINUS TABULAEFORMIS CARR.) ENDAMAGED BY PINE CATERPILLAR EFFECTS OF STEADY-STATE MINERAL NUTRITION ON Pt ECTOMYCORRHIZAE FORMATION AND GROWTH OF CONTAINER-GROWN SEEDLINGS OF SLASH PINEq THE DISCOVERY AND PRELIMINARY STUDY ON NITROGEN-FIXING BACTERIA FROM THE ROOTS OF MASSON PINE SAPLINGS Genetic Diversity and Mating System Analysis of Pinus massoniana in a Second-Generation Clonal Seed Orchard Effects of Different Nitrogen Sources on Transformation and Availability of Inorganic Phosphorus in the Root-Soil Interface of Pinus thunbergii Seedlings Different Forms Aluminum Contents in the Soil of the 1 st and 2 nd Generation Pinus massoniana Plantations Age Changes and Genetic Analysis of the Resin-Yielding Capacity of Open-Pollinated Families of Masson Pine In Vitro Pollen Tube Growth and Distribution of Microfilaments in Pollen Tube of Pinus tabulaeformis Effect of the Status of Adventitious Buds In Vitro Cultured from Mature Embryo of Pinus tabulaeformis on Its Rooting Chemical Constituents in Rhizospheric Soil Extracts of Pinus massoniana and Liquidambar formosana Tree Classification for Pinus tabulaeformis Scenic Plantation Spatial Analysis of Loblolly Pine Trees as Gene Resources Determining Optimum Planting Density of Masson Pine Fast-growing and High yielding Plantations for Various Cultivation Objectives Study on the Effects of Ectomycorrhizal Preparation on Seedling Growth of Pinus bungeana Studies on the Mycoflora of Pinus thunbergii Infected by Bursaphelenchus xylophilus Intraspecific and Interspecific Competition of Pinus yunnanensis Natural Forest Analysis on Leaf Morphology and Photosynthesis Physiology of Polyploidized Populus yunnanensis Seedlings Volatile Terpene Composition in Cones of Pinus armandi Shoot apex comparative morphology of Pinus yunnanensis and its closely related species under different habitats Interspecific segregation of species in tree and shrub layers of the Pinus bungeana Zucc. ex Endl. community in the Wulu Mountains, Shanxi Province, China Response of tree-ring width of Pinus sylvestris var. mongolica to climate change in Hulunbuir sand land, China GC-MS Analysis of the Essential Oils in the Needles of Pine in Northeast China Population Structure and Dynamics of Pinus tabulaeformis in Lingkong Mountain of Shanxi Province Response of Pinus massoniana Leaf Area Index (LAI) to Climate Indicators in Fujian Province Carbon Density of Herbage in Natural Secondary Pinus tabulaeformis Forest in Huoditang Zone,Qinling Moutains Variations in Amount and Ring Number of Sapwood and Heartwood of Pinus tabulaeformis Cloning and Sequence Analysis of Cinnamoyl-CoA Reductase Gene (CCR) of Pinus massoniana Effects of Soil pH Variations on Lipid Peroxidation and Inherent Protection System of Red Pine Seedlings Comparison on the Lignin Structures of Normal and Compression Wood of Masson Pine Variation of Ring Width and Wood Basic Density and Early Selection of Pinus massoniana Provenances A Complementary Study on Biological Characteristics of Two Species of Dioryctria(Lepidoptera: Pyralidae) and Their Damage to Cones and Twigs of Korean Pine The Biological Reason for Endangerment of Carpinus putoensis and Measures for Gene Conservation Volatiles from Pinus koraiensis at Different Stages after Infested by Dioryctria pryeri and the Relationship with Host Selection Correlations between of Micronucleus Rate and Physiological Changes of Pinus massoniana in Response to Lead Stress Simulation of Water-limiting Biomass Productivity of Chinese Pine Plantations and the Soil Desiccation Effect in 3 Sites with Different Annual Precipitation on Loess Plateau Pathogenicity of Different Isolates of Bursaphelenchus mucronatus to Pinus taiwanensis and P. thunbergii Seedlings Provenance Selection Effect at Different Stand Age of Pinus massoniana Geographic Isolation between the Homoploid Hybrid Pinus densata and Its Parental Pinus yunnanensis The interannual variation of net primary productivity of three coniferous forests in Liupan Mountains of Ningxia and its responses to climatic factors Antioxidant Constituents from Pinus massoniana (Pinaceae) Biomass Partitioning Affects the Growth of Pinus Species from Different Elevations Recovery and its Quantitative Expression of the Planted Young trees of Pinus koraiensis under Natural Secondary Forest Community Structure, Soil Water Dynamics and Community Stability of Pinus sylvestris var. Mongolica Plantation in Horqin Sandy Land The Relation between the Medium Quality and the Container Seedling Growth of Chinese Pine and Its Physiological Characteristics Effects of Acid Precipitation and Al on Carbon Metabolism in Mycorrhizal Symbionts of Pinus massoniana The Volatile Components of the Chinese Pine and the EAG Responses of the Dendroctonus valens (Coleoptera:Scolytidae) Plantlet Regeneration via Organogenesis from Mature Embryos of Pinus elliottii Study on Specific Conductivity of Pinus tabulaeformis and Quercus variabilis Using Thermal Dissipation Technology The Establishment and Simulation of Model of Pinus massoniana Fiber Cell Physiological and Biochemical Responses of Pinus massoniana to Low Phosphorus Stress Microtubule Organization in Germinated Pollen of Pinus thunbergii Studies on the Pathogenicity of 10 Years Old Black Pine Inoculated with Aseptic Pine Wood Nematode Effects of Thinning on the Growth and the Diversity of Undergrowth of Pinus tabulaeformis Plantation in Beijing Mountainous Areas Response of Soil Enzyme Activity to Thinning Intensity of Aerial Seeding Pinus tabulaeformis Stands Principle of Tending Techniques on Recreational Forest of Pinus tabulaeformis in Beijing Mountainous Area by SBE Method Growth Response of Superior Provenance of Masson Pine to Phosphorus Supply and Persistence of Phosphorus Effect Effect of Different Harvesting Regimes on Economic Benefit of Interplanting Daemonorops margaritae with Pinus massoniana plantation Sapflow Flux of Pinus koraiensis Plantation Measured by Thermal Dissipation Probes Carbon Storage of Artificial Forest in Qianyanzhou,Jiangxi Province Dynamics of Sap Flow of Pinus elliottii and Its Relevant Factors in Rapid Growth Season at Qianyanzhou Experimental Station of Jiangxi Province Phytoremediation Process of Pinus massoniana to the Soil Contaminated with Heavy Metals Termite Resistance of Pinus massoniana Treated with Chitosan-Copper Complexes Regeneration Characteristics of Pinus yunnanensis in Gaps on the Mountainous Area in Southwestern Sichuan Province, China