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Community Structure and Species Diversity in Liangucheng Nature Reserve of Minqin County Multidimensional Nature of Glyceraldehyde-3-phosphate Dehydrogenase in Plants Use of ITS Sequences Based on Nuclear rDNA for Phylogenetic Research of Seed Plants Enzymes and Corresponding Genes in Ergot Alkaloid Biosynthetic Pathways Relation between Cytoplasmic Male Sterility and Reactive Oxygen Species Metabolism in Pepper Megasporogenesis and Gametophyte Microsporogensis as Well as Male and Female Gametophyte Development of Saposhnikovia divaricata Ecological Relationship of Garden Plants in Beijing--A Case of Rose Garden in Taoranting Spatial Growth Differences of Planted Populus simonii and Their Ecological Effects on Soil Moisture in Hilly Loess Regions Seed Dispersal Patterns of Artemisia halodendron Growing in the Dune-shifting Habitats Relationships between Flagleaf and Spike Photosynthesis and Drought Tolerance of Wheat Exploration of the Speed-limiting Process for Taxol Biosynthesis Resorting to Quantitative PCR Anatomical Changes of the Leaves of in vitro Euphorbia pulcherrima Seedlings During Their Post-transplantation Domestication Adaptabilities of Different Genotypes of Spring Wheat to Phosphorous Deficiency Components of the Essential Oil in Isodon henryi (Hemsl.) Kudo Biosynthesis,transport and function of ascorbate in plants Studies of desalting ability and desalting structure in Karelinia caspica Distribution of NO-3-N of maize rhizosphere in rhizosphere soil under style ofdifferent irrigation Effect of carmine spider mite on enzymes related to active oxygen metabolism in cowpea seedling leaves On endemic genera to China of spermatophytic flora from Mt.Wulingshan region Effect of soil water stress on water metabolism and osmotic adjustment substance of native tree species of Loess Plateau Advance of sulphate transporters of plant Distribution characteristics of effective root density in the planted Robinia pseudoacacia and Platycladus orientalis forest site Morphological and cytological observations on interspecific hybridization F1 from Cucumis sativus×C.hystrix Characteristic in photosynthesis,transpiration and water use efficiency of Haloxylon ammodendron and Calligonum mongolicum of desert species 两种生态型芦苇胚性悬浮培养物对渗透胁迫的响应Ⅰ、生长及渗透调节物质的变化 Phylogeny of Amborellaceae:a review Origin of flowers:hypotheses and evidence RAPD analysis of CMS line and its maintainer line in Chinese Cabbage (Brassica campestris ssp.pekinensis) The comparative studies on biochemical and physiological properties of Speeded-growth poplar and Lombardy poplar Research on change of soil properities of Caragana plantation in North-west of Shanxi Province Numerical analysis of interspecific relationships in communities of Larix chinensis in Qinling Mountain A study on interspecific association of principal tree species in the communities including Quercus variabilis on the Qinling and Bashan Mt. Adaptation strategies of seed dormancy and germination of Psammochloa villosa , a sand dune grass inhabiting Ordos Plateau, China Evapotranspiration measurements of community using weighting method Study on N,P fertilization model of Salvia miltiorrhiza in different soil fertility Detection on evolvement and present situation of genetic diversity of spring wheat cultivars planted in Gansu and Qinghai Provinces by SSR markers Species composition and distribution of algae in Wuquanshan of Lanzhou The roles of root exudation on rhizosphere nutrient and rhizosphere microorganisms A new species of Patrinia from Gansu Isolation and characterization of reactive oxygen species-insensitive mutants in Arabidopsis thaliana Study on the numericaltaxonomy of genus Calligonum from China Detection on evolvement and present situation of genetic diversity of spring wheat cultivars planted in Gansu and Qinghai Provinces using quantitative characters Studies on heterosis of vernal hybrid F_1 of male sterile lines of Ven & K Typeal wheat and their relationship with chlorophyll content and zymogram of isoenzyme Effect of water stress on mesophyll cells and the number of stomata of spring wheat growing in semi arid region The characteristic of nitrogen and phosphorus absorption by winter wheat in dryland Progresson gene-for-gene recognition in plant-pathogen interaction system A study on rules of spatiao-temporal change and water use efficiency of corn Transport and Partitioning of Photoassimilate in Higher Plant Characteristics of various repeated DNA sequences in higher plants Significance on ecological indication of Selaginella sinensis in reconstructing past environment 陕西渭北旱塬土壤－植物－大气连续体中水分运转规律的研究──Ⅰ．生态环境对植物叶温的影响 Determination of five kinds of heavy metals in Anoectochilus roxburghii by ICP-MS Determination of ergosterol in Lasiosphaera Seu Calvatia in various species from different habitats by HPLC Spatiotemporal Heterogeneity of Soil Water Content at Different Size of Gaps of Pinus koraiensis-Dominated Broadleaved Mixed Forest A Preliminary Study on Colletorichum from Horned Gallnut Study on the Effect of Natural Control on M. matsumurae and D. spectabilis Megasporogenesis,Microsporogenesis and Development of Female and Male Gametophyte of Nicotiana debneyi Cytological Observation on Microsporogenesis of Inter-subspecific Semi-sterility Hybrids F₁ in Rice Spore Morphology of Pteridophytes from China Ⅻ.Lycopodiaceae Ovule Development and Seed Formation of Calanthe tsoongiana T.Tang et F.T.Wang Variation Patterns of The Characters of Fruits and Spines of Berberis amurensis Rupr.(Berberidaceae) in Taishan Mountain Phylogeny of Batrachospermales (Florideophyceae,Rhodophyta) Inferred from Small-Subunit rDNA Gene Sequences Cloning and Expression Analysis of 14-3-3 Protein Gene of Spinach under Nitrate Stress Growth Effects of CO₂ Concentration and Phosphorus on Maize and Soybean under Different Cropping Patterns Effect of Storage Phosphorus in Soybean Seeds on the Tolerance to Low Phosphorus Stress at Seedlings Stage Photosynthetic Characteristics of Limonium bicolor under Salt Stress Seedlings’ Photosynthetic Characteristics of Sweet Potato under Exogenous Chlorine Stress Population Structure and Spatial Distribution of the Populus euphratica in the Mainstream of the Tarim River Effect of Water and Nitrogen Availability on the Generation and Scavenging of Reactive Oxygen Species in Leaves of Robinia pseudoacacia Seedlings Coupling Relationship between Species Diversity of Planted Chinese Pine (Pinus tabulaeformis Carr.) Communities and Environment Factors in Mountain Area of Shangluo Effects of Exogenous Spermidine on Photosynthesis and Activities of Antioxidant Enzymes in Tomato Seedlings under Ca(NO₃)₂ Stress Effect of Nitrogen Deposition on Species Diversity and Community Composition of Herbaceous Vegetation in Desert Steppe Effect of Introducing Biennial Legume Species,Melilotus officinalis,on Plant Community in the Early Stage of Vegetation Succession and Soil Nutrients in the Semiarid Loess Plateau of China Effect of the Extracts of Rhizosphere Soil from Stipa bungeana on the Germination of Stipa bungeana and Its Dominant Species Extraction and Identification of Anthocyanins from Brown Cotton Preparation of Polyclonal Antibody of Allophycocyanin Protein in the Cyanobacterium Synechocystis sp.Strain PCC 6803 Structure and Spatial Distribution of Acer ginnala Population in Qiliyu,Shanxi Response of Kobresia pygmaea Phenology and Biomass to Climate Change in the Yangtze River Headwaters Region Scale Effects of Tree Diversity in a Tropical Rain Forest in Xishuangbanna Distribution and Community Characteristics of Invasive Xanthium spinosum in Xinjiang