Selection of Proper Hormone Combinations for Direct in vitro Plant Regeneration from Bud Tips and Their in vitro Preservation for Fraxinus mandshurica Effects of Light and Nitrogen on Growth, Carbon and Nitrogen Metabolism ofFraxinus mandshurica Seedlings Physiological and Biochemical Responses of Different Order roots in Fraxinus mandshurica Seedlings to Drought Stress EFFECTS OF EXOGENOUS SA ON ACTIVITIES OF ANTIOXIDANT ENZYMES IN THE LEAVES OF FRAXINUS MANDSHURICA SEEDLINGS UNDER FREEZING STRESS Influences of Nitrogen and Phosphorus Supply on Their Absorption and Growth of Fraxinus mandshurica Seedlings Quantitative study of below- and above-ground competitions in mandchurican ash seedlings Cloning and Analysis of SnRK2B Gene and Promoter in Fraxinus mandshurica Spatial Distribution Patterns and Associations of Dominate Population in Two Types of Broadleaved Korean Pine Mixed Forest Fine root order morphology and proportion between mother roots and daughter roots in Fraxinus mandshurica and Larix gmelinii plantations The estimate of root biomass in upper soil layer of Fraxinus mandshurica plantation by geostatistics method STUDIES ON MEGASPOROGENESIS AND THE DEVELOPMENT OF FEMALE GAMETOPHYTE IN FRAXINUS MANDSHURICA Anatomic Observation on Female Flower Development, Megasporogenesis and Embryo Development of Fraxinus mandshurica Population structure and dynamics of Fraxinus mandshurica in Changbai Mountain Application of EST-SSR Markers in the Sex Identification of Fraxinus mandshurica Rupr. The Phenolic Substances and Several Oxydases in Female and Male plants for Fraxinus mandshurica Impact Factors on Fine Roots Seasonal Dynamics in Fraxinus mandshurica Plantation Cytological Investigation of Somatic and Zygotic Embryogenesis of Fraxinus mandshurica EST-SSRs Locus Information Analysis from Fraxinus mandshurica Rupr. Effects of Shading on the Photosynthetic Characteristics,Growth,and Biomass Allocation in Fraxinus mandshurica and Quercus mongolica Effect of Mounding and Top-Pruning on Survival and Growth of Manchurian Ash Seedlings Planted under the Secondary Forest of the Species Provenances by Sites Interaction of Growth Traits and Provenance Selection of Fraxinus mandshurica Gene Cloning and Protein Structural Studies of a Glycoside Hydrolase Family 5 Enzyme Gene from Inonotus hispidus Effects of Nitrogen Fertilization on VA Mycorrhizal Fungal Colonization and Root Morphology of the First Order Roots in Fraxinus mandshurica Plantation in Response to the colonization Density-Dependent Sex Ratios for Dioecious Tree Species Populus davidiana and Fraxinus mandshurica STUDY ON THE SITE CONDITIONS SUITABLE FOR YOUNG PLANTATION OF FRAXINUS MANDSHURICA Effect of High Temperature Heat Treatment on Ash Wood Color Analysis of Sex Ratios and Spatial Distribution of Dioecious Fraxinus mandshurica Control of Negative Gravitropism and Tension Wood Formation by Gibberellic Acid and Indole Acetic Acid in Fraxinus mandshurica Rupr. var. japonica Maxim Seedlings Role of GA3, GA4 and Uniconazole-P in Controlling Gravitropism and Tension Wood Formation in Fraxinus mandshurica Rupr. var. japonica Maxim. Seedlings Biological characteristics and occurrence regularity of Phassus excrescens Bulter Study on photosynthetic physio-ecological characteristics of five broad-leaf species Seasonal Dynamics of Soil Nematodes in Fraxinus mandshurica and Larix gmelinii Plantations In Vitro Culture of Axillary bud Sprouting of Fraxinus mandshurica Influence of light, agar and carbon sources to growth of in vitro cultured root tips of Fraxinus mandshurica STUDY OF FRAXINUS MANDSHURICA ASEXUAL REGENERATION IN THE HILLS AREA OF SANJIANG PLAIN Phosphate Availability Alters Lateral Root Anatomy and Root Architecture of Fraxinus mandshurica Rupr. Seedlings Effects of High Temperature Heat Treatment at 185 ℃ on Mechanical Properties of Ash Wood EFFECT OF MIXED PLANTING 0F fRAXINUS MANDSHURICA WITH ALNUS JAPONICA AND LARIX OLGENSIS STUDY ON IN VITRO CULTURE OF IMMATURE EMBRYO OF FRAXINUS MANDSHURICA Relationships between nutrient uptake,use efficiency and growth, and between nutrient partitioning patterns and biomass partitioning patterns in Fraxinus mandshurica seedlings supplied with different ratios of nitrogen forms Variations of morphology, anatomical structure and nitrogen content among first-order roots in different positions along branch orders in tree species A STUDY ON THE INFLUENCE OF MAINLY ASSOCIATED TREE SPECIES ON GROWIH OF PINUS KORAIENSIS EFFECTS OF THE MIXED ON ROOT GROWTH AND DISTRIBUTION OF FRAXINUS MANDSHURICA AND LARIX GMELINII Effects of the Close-to-Nature Cultivation of Larix olgensis and Fraxinus mandshurica on the Soil Physiochemical Properties Morphological and Anatomical Responses of Fraxinus mandshurica Seedling Roots to Different Nitrogen Concentrations Influence of Planting Density on Biomass Accumulation and Root Growth of Manchurian Ash (Fraxinus mandshurica) in 10-year-old Plantation Stands Ethylene Evolution Changes in Tilted Fraxinus mandshurica Rupr. var. japonica Maxim. Seedlings in Relation to Tension Wood Formation