THE SELECTION AND BREEDING NEW POPULUS EURAMERICANA CLONES-ZHONGBAO NO.28, ZHONGBAO NO.115, ZHONGBAO NO.95 ON THE RELATIONSHIP BETWEEN THE LAW OF GROWTH OF POPULUS TOMENTOSA CARR.AND THE SOIL CONDITION OF FOREST LAND IN THE PLAIN OF WESTERN SHANDONG PROVINCE A STUDY ON NUTRIENT CONTENT AND BIOMASS OF POPULUS BOLLEANA NEW TAXA OF SECTION POPULUS OF POPULUS L. THE ESTABLISHMENT OF BINOMIAL STOCK VOLUME TABLES OF POPLAR Genetic Variation in Basic Wood Properties of 36 Clones of Populus deltoides Study on the Cold Resistance of Populus deltoides Clones in Gene-library Experiment on Planting in Groups with Populus × xiaohei cv‘Chifeng’ Study on the Variation of Wood Property of Juvenile Populus cathayana among and within Provenances THE RELATIONSHIP BETWEEN THE ULTRASTRUCTURE AND OCCURREANCE OF DRYING COLLAPSE IN THE WOOD FROM THINNED POPULUS DIVIDIANA TREES ON THE ROLE OF (14)C-α-NAA IN ROOTING PROCESS POPULUS TOMENTOSA CUTTINGS STUDY ON THE PLANT REGENERATION FROM POPULUS DELTOIDES EXPLANT TRANSFORMED WITH BT. TOXIN GENE Molecular Characterization of Two Phi Glutathione S-transferases from Populus tomentosa Sexual differences in climatic response of dioecious Populus davidiana tree. Functional Identification of Wood-property Candidate Gene PdCYTOB in Populus deltoides Research Progress in Genetic Evaluation of Populus L. Germplasm Resources Morphological and Anatomical Features of Root Sucker Propagation of Populus pruinosa Selection and Validation of Reference Genes for Quantitative RT-PCR Analysis of Gene Expression in Populus trichocarpa Effect of the Brassinosteroid Biosynthetic Enzyme DAS5 on Growth and Drought Resistance in Poplar Study on the depth of water uptake by Populus euphratica trees of different ages in the lower reaches of the Heihe River, based on the stable isotope techniques The distribution pattern dynamics of Populus euphratica are influenced by hydrology in the middle reaches of Tarim River Study of transpiration and water consumption of triploid Populus tomentosa at individual tree and stand scales by using thermal dissipation technology Photosynthetic characteristics of three different life-form plants in the desert-oasis ecotone of Keriya River Basin Effects of simulated nitrogen deposition on the each component of soil respiration in the Populus L. plantations in a riparian zone of the mid-lower Yangtze River Rooting and Transplanting Method of Populus davidiana×P.bolleana Tissue Culture Seedlings Genome-wide Identification and Characterization of NLP Gene Family in Populus trichocarpa Differences in Absorption and Distribution of Main Mineral Elements Between Male and Female Populus cathayana Seedlings Effects of Drought Stress on Protective Enzyme Activities and Seedling Growth in Populus bachofenii×P.pyramidalis ROZ Variation of Physiological Indexes of the Populus euphraticn’ Leaves under Different Groundwater Depth Factor Analysis of Natural Environmental Elements and Characteristics of Typical Populations in Kumtagh Desert Preparation and Optimization of Mesophyll Protoplasts of Populus alba×P.berolinensis Yinzhong Response of Root Growth and Architecture of Populus euphratica Seedling on Soil Water Salt Tolerance of betA Transgenic Populus simonii×P. nigra and Selection for Superior Transgenic Plants Effects of Infection with Botryosphaeria dothidea on Cell Membrane Permeability, Soluble Sugar and MDA Content in Poplar Calli Physiological Responses and Their Correlations of Populus hopeiensisLeaves Under Osmotic Stress Effects of Rhizosphere Microenvironment on the Root Vigor of Poplars and Transformation of Soil Available P Effects of Transgenic Populus alba×P.glandulosa on Soil Microorganism Changes in Antioxidative Enzymes Parameters of Populus ussuriensis Seedlings after Spaceflight of the Seeds Development of EST-SSR in Populus deltoides and P. euramericana Survival Analysis of Populus pruinosa Population in the Upper Reaches of Tarim River Expression Profile of PtLFY in Floral Bud Development Associated with Floral Bud Morphological Differentiation in Populus tomentosa Relationship Between Canker Outbreak and Individual Crown Structure of Populus bolleana Forest in Qingtongxia Characterization and Expression of PeMYBF1 Encoding a R2R3-MYB Transcription Factor from Populus euramericana Isolation, Expression and Single Nucleotide Polymorphisms Analysis of Heat Shock Transcription Factor HsfA1d in Populus System Optimization of Precociously Flowering of Poplar Induced by FT Gene Controlled by a Heat Shock Promoter Assessment of ecological service values for native Populus euphratica forest in Khotan watershed Analysis on Dominant Population of Fungus and Bacteria from Healthy and Canker Disease-Infected Populus×euroamericana Bark Effects of decomposing leaf litter of Populus deltoides on the growth and physiology of Brassica chinensis Biomass and carbon fixation ability of typical larch- poplar and betula mixed forest in Mulanweichang Absorption and Distribution of PM2.5 NH4+ and NO3- in Populus euramericana Neva. A comparative study of the stomata and PM2.5 particles on the leaf surface of Chinese white poplar (Populus tomentosa Carr.) in different polluted places Short-Term Effects of Root Pruning on Photosynthetic Characteristics and Growth of Populus×euramericana cv. ‘Neva’ Response of Photosynthetic Characteristics and Antioxidant Enzyme Activities in Poplar Seedlings to Drought Stress POLYPLOID INDUCTION OF Populus HYBRID THROUGH ZYGOTIC CHROMOSOME DOUBLING WITH HIGH-TEMPERATURE TREATMENT Investigation on the characteristics of biology and ecology of Populus euphratica and Populus pruinosa PROTEINS ASSOCIATED WITH CALLUS PROLIFERATION AND ADVENTITIOUS BUD DIFFERENTIATION OF POPULUS EUPHRATICA PERIODICITY OF CAMBIUM ACTIVITY AND CHANGES OF PEROXIDASE ISOZYMES IN POPULUS TOMENTOSA CARR. ON RESISTANCE OF PROGENIES OF POPULUS DELTOIDES TO A CERAMBICIDAE BORER: APRIONA GERMARI HOPE UNDER ARTIFICIAL INOCULATION AND NATURAL INFESTATION STUDY ON THE TRANSFORMATION OF POPULUS SIMONII×P.NIGRA WITH SALT RESISTANCE GENE BET A ANALYSIS OF PHYSIOLOGICAL AND BIOCHEMICAL CHARACTERISTICS RELATED TO CUTTING AND ROOTING OF CHIMERA IN POPULUS TOMENTOSA CARR. A STUDY ON THE INTRODUCTION OF MALE STERILITY OF ANTIINSECT TRANSGENIC Populus nigra BY TA29-BARNASE GENE TESTING ON THE ANTAGONISM OF THE DOMINANT OF ENDOPHYTIC FUNGI FROM POPULUS TOMENTOSA,CHAETOMIUM ND35 IN THE LABORATORY CLONING OF A PROMOTER FRAGMENT OF BARK STORAGE PROTEIN GENE FROM POPULUS DELTOIDES AND ITS FUNCTION IN TRANSGENIC TOBACCO PLANTS CONSTRUCTION OF POPULUS DELTOIDES MARSH × P.CATHAYANA REHD.MOLECULAR LINKAGE MAP STUDIES ON SELECTION OF NATURAL TRIPLOIDS OF POPULUS TOMENTOSA RESEARCH ON WOOD PROPERTIES IMPROVEMENT Ⅶ STUDY ON EARLY SELECTION OF WOOD DENSITY IN NEW POPLAR CLONES OF POPULUS DELTOIDES×P.SIMONII GENETIC STRUCTURE IN POPULUS USSURIENSIS KOM. A PRIMARY STUDY ON THE RADIAL VARIATION PATTERNS OF WOOD PROPERTIES WITHIN TREES V.THE RADIAL VARIATION PATTERNS AND ITS VARIATION OF WOOD FIBRE LENGTH OF 15 CLONES OF POPULUS×EURAMERICHANA WESTERN BLOT ANALYSIS OF TRANSGENIC POPULUS NIGRA PLANTS TRANSFORMED WITH BACILLUS THURINGIENSIS TOXIN GENE PLANTS REGENERATED FROM PROTOPLASTS OF POPULUS SIMONII AND VARIATIONS IN ITS ISOENZYME Karyotype Comparison of Aigeiros Species in Populus Microdissection, in Situ Analysis and Microcloning of Poplar Chromosome 1 A REVISION OF POPULUS SERRATA On the Classification and Distribution of the Subfamily Populoideae(Salicaceae) Analysis of MYB Transcription Factor Involved in Development of Secondary Vascular System in Tobacco and Populus tomentosa Phylogenetic Relationship Analysis of Populus along Erqis River Evaluation of Important Traits of Different Clones of North-Typed Populus deltoides SRAP Analysis on the Effect of Geographic Isolation on Population Genetic Structure of Populus davidiana in Tibetan-inhabited Regions in Southwest China A Novel Method Based on Etiolation for Increasing Efficiency of In Vitro Propagation of Populus tomentosa Genome Fingerprinting Analysis in Populus deltoides