Infestation of Betula platyphylla by Anoplophora glabripennis and Its Control Using Insecticides Effect of White-Rot Fungus Pretreatment on the Kraft Pulping of Poplar Distribution Pattern of Growth Strain of Poplar 107 Clone Tree (Populus ×euramericana cv. Neva) Variation Analysis on Anatomical Properties and Chemical Compositions between Chinese White Poplar and Burl Short Effects of Pruning on Growth of Poplar(Populus×euramericana cv.‘74-76‘) A New Poplar Variety ‘Sangju‘ A New Insect resistant Poplar Variety ‘Zhonghuai1‘ A New Poplar Variety Populus deltoides CL.‘Danhong‘ Relations between Stable Carbon Isotope Discrimination and Water Use Efficiency as well as Growth for Poplar Effects of Different Poplars on the Activity of the Carboxylesterase in the Larvae of Anoplophora glabripennis Active Oxygen Release and Membrane Lipid Peroxidation in the Interaction of Marssonina brunnea Elicitor and Poplar Suspension Cell Transformation and Expression of Two Insect-Resistant Genes to Hybrid Triploid of Chinese White Poplar Inhibitory activity of extracts and fractions of Populus ×euramericana on plant pathogenic fungi in vitro QUANTIFYING EVAPOTRANSPIRATION AND BIOPHYSICAL REGULATIONS OF A POPLAR PLANTATION ASSESSED BY EDDY COVARIANCE AND SAP-FLOW METHODS Carbon storage of poplar-crop ecosystem in Eastern Henan Plain. Effects of salt-alkali stress on osmoregulation substance and active oxygen metabolism of Qingshan poplar (Populus pseudo-cathayana × P. deltoides). Allelopathy and its application in poplar-corps system Sap flow of Gansu poplar in farmland shelter forest during the growing season in desert oasis Diversity and Seasonal Fluctuations of Culturable Endophytic Bacteria Isolated from Two Poplars Immunogold Silver Localization of Indole-3-acetic Acid (IAA) During the Rhizogenesis of In Vitro Poplar The effects of withering poplar branch on the reproductive behavior of cotton bollworm Extraction and Analysis of Secondary Metabolites in Poplar Phloem Biomass and carbon fixation ability of typical larch- poplar and betula mixed forest in Mulanweichang Comparison of Different Light Response Models for Photosynthesis STUDY 0lN CHEMICAL CHARACTERISTICS AND FORMATION MECHANISM OF POPLAR WETHEARTWOOD STUDY ON COLD RESISTANCE OF POPLAR BY ESR SPIN LABEL APPLICATION OF GROWTH MODEL FORECASTING METHOD TO EPIDEMIC FORECASTING OF THE POPLAR BACTERIAL CANKER PRELIMINARY STUDY ON MULTIPLE EVALUATION FOR INTRODUCTION AND PLANTATION OF POPLAR CLONES IN KORQIN SANDY LANDS COMPARATIVE RESEARCH ON GROWTH AND WOOD PROPERTIES BETWEEN ROTTEN POPLAR TREE AND NORMAL ONE ON FLOOD BEACHES ALONG YANGTZER RIVER RESPONSES OF PHOTOSYNTHESIS AND PV-PARAMETERS TO WATER STRESS IN POPLAR CLONE SEEDLINGS Relations of Poplar Density and Planting Composition to Its Growth in Horqin Sandy Land Effects of Cadmium on Photosynthesis and Chlorophyll Fluorescence Parameters of Solution Cultured Poplar Plants Bacteriostasis and Chemical Components of Pyroligneous Acid from Poplar Wood Viscoelastic Behavior of Poplar under Radical Compression Impregnation Process of Thermochromic Functional Poplar Veneer Relationships between Neighborhood Comparison of Short-Rotation Poplar Plantations and Canker Disease Incidence Transforma tion of C ry I Ac and AP I Two Insect-resistantGenes to Poplar( Popu lus alba ×P. glandu losa ) Benefit Analysis on Intercropping in Fast-growing and High-yielding Poplar Plantation Investigation and Control of Longhorned Beetle Damages in Fast-growing and High-yielding Poplar Plantation Study on Fertilization Technique of Fast-growing and High-yielding Poplar PlantationⅠ.Basal Manure Experiment Study on Regeneration Age of Farm poplar Shelter Belt in Huanghe Flooding Plain Histopathology and Ultrastructure of Periderm Parenchyma Cells on Poplar Stem in Response to the Infection of Botryosphaeria dothidea An Experiment on Introduction and Cultivation of Exotic Poplar Clones in Fuzhou Area Several Problems Concerning Poplar Heredity and Breeding Study on Nutritional Diagnosis of Populus×euramericana in Reclaimed Area by Coal Ash Studies on the Stand Density and Site Effect of I 69 Poplar Plantation for Plywood A Study on the Mechanism of Induced Poplar Resistance to Canker Disease Studies on Cultural Characters of the Pycnoporus cinnabarinus(Jacq. )Karst Cytohistological Study on Morphogenesis of the Adventitious Bud in the in Vitro Culture of Micro-Cross Sectioned Leaf Midveins from Hybrid Populus Effect of 60Co γ-Rays Irradiation on Poplar Seeds ESTABLISHMENT OF AN ISSR REACTION SYSTEM FOR POPLAR AND OPTIMIZATION USING ORTHOGONAL DESIGN CURRENT SITUATION AND DEVELOPMENTAL COUNTERMEASURAS OF POPLAR TREE HYBRIDIZATION BREEDING IN CHINA EFFECT OF ETHYLENE ON ADVENTITIOUS ROOT INITIATION OF I-69 POPLAR STEM CUTTINGS A PRELIMINARY STUDY ON INFLUENCE OF RARE-EARTH ON QUANTITY AND QUALITY OF POPULAR HYBRID SEED POPIAR INTRODUCTION AND SELECTION IN THE COLD SEMIARID AREA OF THE NORTH CHINA A PRELIMINARY STUDY ON PREDICTION METHOD FOR POPLAR CANKER A STUDY ON THE LATENT INFECTION OF POPLAR CANKER THE SALINE TOLERANT INDUCEMENT OF POPLAR CALLUS LINES THE RHEOLOGICAL BEHAVIOUR OF POPLAR CHIPS IN COMPRESSION PERPENDICULAR TO GRAIN THE RESISTANCE OF CLONES OF POPULUS TOMENTOSA TO POPLAR LEAF RUST FUNGI; MELAMPSORA MAGNUSIANA A STUDY ON PRESERVATIVES APPLICATION AND POPLAR WOOD BUILDING MEMBERS PRESERVATION IN RURAL AREAS SRAP Analysis of Genetic Variation among Native Poplars in Southwest China FOREIGN STUDIES ON WET HEART WOOD OF POPLARS ANALYSIS OF THE GENETIC SPECIALIZATION OF MELAMPSORA LARICI-POPULINA WITH RAPD MARKERS IDENTIFICATION OF RAPD MOLECULAR MARKERS FOR RESISTANCE AGAINST ALTERNARIA ALTERNATA IN POPLAR STUDY ON POPLAR GROWTH UNDER AGRO-SILVICULTURAL INTERCROPPING CONDITIONS PHOSPHATE UPTAKE CHARACTERISTICS OF KINETICS AND PHOSPHORUS EFFICIENCY IN CLONES OF POPLAR BIOMASS,SOIL AND ROOT SYSTEM DISTRIBUTION CHARACTERISTICS OF SEABUCKTHORN×POPLAR MIXED FOREST Intratree Variability of Wood Density and Main Wood Mechanical Properties in Chinese Fir and Poplar Plantation Comparison of Growth and Photosynthesis in Response to Salt Stress in Populus Hybridization Clones and Their Parent Species Stigma Receptivity and Its Detection Methods of White Poplars Effects of Seabuckthorn on Tree Growth and Biomass Production Poplar Plantations in a in a Subhumid-arid Area of China Ecophysiological Characteristics of Photosynthesis of Hybrid Poplar Clones Under Light Stress Physiologic Indexes of Cold Resistance in Hybrid White Poplar Clons Study on the Seasonal Dynamic of Net Ecosystem Exchange over a Poplar Plantation of Yueyang City in Hu’nan Province Identification on the Canker Disease of the New Poplar Plantation in North of Jiangsu Province Molecular Identification of Hybrid Clones Between Populus deltoides Bartr. and P. ussuriensis Kom. Optional Protein Extracting Methods of Poplar Leaves for Two-dimensional Gel Electrophoresis Effect of NaCl Tolerance on Photosynthetic Physiology and Growth of Seedlings of Three Poplar Clones Effect of Thinning on Respiration Rate and Soil Carbon Density of Young-age Poplar-birch Stands in Western Changbai Mountains