Spatiotemporal dynamics of seed rain in natural forest of Betula alnoides in Jingxi County, Guangxi, China Response of Betula luminifera leaf litter decomposition to simulated nitrogen deposition in the Rainy Area of West China Community characteristics of main vegetation types along two altitudinal transects on mountains of northwestern Beijing, China Individual Stem Volume Modeling Based on Tree Height and Crown Characteristics PLANT DIVERSITY OF PINUS KORAIENSIS FORESTS UNDER DISTURBANCE IN CHANGBAI MOUNTAINS OF CHINA Preliminary Construction of Core Collection of Betula platyphylla Germplasm Behaviors of nitrogen nutrition of Pinus koraiensis and Betula platyphylla and their interspecific differentiation Effects of simulated nitrogen deposition on soil enzyme activities in a Betula luminifera plantation in Rainy Area of West China. Inflorescence Growth Phenology and Ecological Adaptation of Betula microphylla Phylotranscriptomic analyses in plants using Betulaceae as an example Soil organic carbon stocks and fluxes in different age stands of secondary Betula platyphylla in Xiaoxing‘an Mountain,China Biomass and carbon fixation ability of typical larch- poplar and betula mixed forest in Mulanweichang Development of the tree-ring width chronology of Betula tianschanica for the Kaiduhe River watershed and its climate response Effects of Root-inducing Regulator, Propagation Medium and Season on Rooting of Betula alnoides Cuttings Hazard Analysis of Anoplophora chinensis and Early Comprehensive Selection of Betula alnoides Provenances in Northern Guangdong Province Study on Criterion for Selecting Betula alnoides Superior Trees THE ORDINATION OF BETULA ALBO SINENSIS FOREST IN THE TAIBAI MOUNTAIN STUDY ON THOUSAND-SEED WEIGHT,LONGEVITY AND VITALITY OF SEEDS OF BETULA LUMINIFERA EFFECT OF DROUGHT STRESS ON ACTIVITY OF CELL DEFENSE ENZYMES AND LIPID PEROXIDATION IN LEAVES OF BETULA PLATYPHYLLA SEEDLINGS Reproductive Modules and Their Spatial Patterns of Betula alnoides in Two Habitats Effects of salicylic acid on accumulation of oleanolic acid and defense enzyme activity in suspension cells of Betula platyphylla Effects of salicylic acid on accumulation of oleanolic acid and defense enzyme activity in suspension cells of Betula platyphylla Accumulative characteristics of triterpenoid precursor and different triterpenoid branch products in Betula platyphylla Interaction between putrescine and hydrogen peroxide on regulating triterpenoid production in Betula platyphylla Morphogenesis of Female Reproductive Organs in Carpinus turczaninowii and Ostryopsis davidiana (Betulaceae) Root decomposition and nutrient dynamics of Quercus mongolica and Betula Platyphylla Age structure and point pattern of Butula platyphylla in Wulashan Natural Reserve of Inner Mongolia Effects of environmental factors on species distribution and diversity in an Abies fargesii-Betula utilis mixed forest A NEW SPECIES OF BETULA L. FROM GANSU Morphologyical anatomical studies on Betulaceae vessel element from Helongjiang Province, China An analysis on the epidermal forms and chemical composition of Betula davurica leaves Development of ovule and relation between embryo and endosperm developments of Betula platyphylla Litter Decomposition and Nutrient Dynamic of Betula platyphylla Secondary Forest with Different Stand Ages in Xiaoxing’an Mountains Effect of Fertilization on Woody Characteristics of Betula platyphylla Identification of Protein Interactions between Flowering Repressors BpFLC and BpSVP from Betula platyphylla Sequence and Expression Analysis of MYB Family Genes in Betula platyphylla Suk. In vitro Regeneration of Betula luminifera STUDY ON PLANT DIVERSITY OF BETULA PLATYPHYLLA AND POPULUS DAVIDIANA FORESTS IN FOREST-STEPPE ECOTONE ANALYSIS OF GENETIC RELATIONSHIP OF BETULA AMONG SPECIES USING RAPD MARKER Tannins from Corylus heterophylla (Ⅲ) Chromosome Numbers of Two Threatened Species of Betulaceae Photosynthetic Physiological and Ecological Characteristics of Betula platyphylla-Quercus liaotungensis Mixed Forests in Ziwuling Forest Area The research of heat-tolerance of different provenances of Betula alnoides seedlings Resistance of Transgenic Betula platyphylla to the Defoliator Lymantria dispar Spatial Pattern and Spatial Association of Betula albosinensis at Different Developmental Stages at Taibai Mountain Physiological Responses of Betula halophila (Betulaceae) to Salt Stress STUDIES ON THE SPECIES RELATIONS IN THE MIXED FORESTS OF PINUS TABULAEFORMIS CARR.AND BETULA PLATYPHYLLA SUK STUDY ON COMMUNITY CHARACTERISTICS OF NATURAL FOREST IN BETULA LUMINIFERA ANATOMICAL STUDY ON MORPHOGENESIS IN VITRO CULTURE FROM BETULA PLATYPHYLLA THE EFFECT OF DROUGHT STRESS UPON PROTEIN COMPONENT IN LEAVES OF BETULA PLATYPHYLLA SEEDLINGS The impacts of Betula platyphylla on Carex pediformis and other main understory herbages pants within secondary forest of Daxinganling mountatins Comparison of Soil Organic Carbon Stock of Betula costata Secondary Forest and Mixed Broadleaved Korean Pine Original Forest in Xiaoxing’an Mountains. Effect of Exponential Fertilization on Growth Dynamic,Biomass Allocation and Photosynthesis of Betula platyphylla Bare-rooted Seedlings Soil Respiration and Total Belowground Carbon Allocation of Betula costata Secondary Forest and Mixed Broadleaved Korean Pine Forest in Xiaoxing’an Mountains,China Construction of RNA interference vector carrying two genes of DS and CAS of Betula platyphylla Suk(Birch.) Germplasm Selection of the Progeny Genetic Variation and Superior Pulpwood of Betula platyphylla Effect of Ca2+ on Mediating the MeJA-induced Synthesis of Triterpenoid in Suspension Cells of Betula platyphylla Suk. Effects of Different Medium Types and Plant Growth Regulator Combinations on Accumulation of Triterpenoids in Birch (Betula platyphylla) Calli Machining Characteristics of Castanopsis hystrix and Butula alnoides Plantation Wood Data Mining for SSRs in ESTs and EST-SSR Marker Development in Betula platyphylla Temporal and Spatial Variation in Gas Exchange in Canopy of Larix gmelinii Plantation Temporal Characteristics of Developmental Cycles of Female and Male Flowers in Betula platyphylla in Northeastern China Isolation of a Calcineurin B-like Protein Gene PbCBL2 from Pyrus betulaefolia and Preliminary Study of Gene Function Tests on in vitro germination of Betula Luminifera Pollens Isolation, Expression and Single Nucleotide Polymorphisms Analysis of Transcription Factor (BlSPL 1) from Betula luminifera Compatible Tree Biomass Models for Natural White Birch (Betula platyphylla) in Northeast China Forest Area Spatial Distribution of Leaves, Branches and The Vessel Characteristics in Betula platyphylla H2O2 Mediated Synthesis of Betulin in Cells of Betula platyphylla Induced by Fungal Elicitor Bioinformatics and expression pattern analysis of BpNOS gene in Betula platyphylla Isolation and Expression of APETALA2 Transcription Factor Gene in Betula platyphylla Light Media Selection for Growing Micro-propagated Seedlings of Betula alnoides Cloning and Sequence Analysis of Full-length cDNA of Actin Gene from Birch(Betula platyphylla Suk.) Practicability of 7 Light Responsive Curve Models to Different Plant Species Validation of Two Names Betula jiulungensis (Betulaceae) and Rubia ovatifolia (Rubiaceae) Root biomass and underground C and N storage of primitive Korean pine and broad-leaved climax forest in Changbai Mountains at its different succession stages Effects of light and temperature on seed germination of Picea asperata and Betula albo-sinensis Position of Betula ermanii population ecotone in Changbai Mountains T-square study on spatial pattern and regeneration of Betula albo-sinensis Burkill population on west slope of Jiuding Mountain Effects of elevated atmospheric CO concentration and increased temperature on Betula albo-sinensis rhizospheric microbe Isolation and Expression of Flowering Locus T(FT) Gene in Betula platyphylla