Effects of Nitrogen-limited Culture on Water Content and Chlorophyll Fluorescence Parameters in Chlorella sorokiniana Characteristics of Micro-structures and Chlorophyll Fluorescence Parameters of Diploid and Autotetraploid ‘Hanfu’ Apple Leaves 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 Effect of Water Stress Simulated by PEG on Germination Ability of Chukrasia tabularis Seeds from Different Provenances Comparative Research on Drought Resistance of 8 Common Garden Ground Cover Plants in South China Response of Kobresia pygmaea Phenology and Biomass to Climate Change in the Yangtze River Headwaters Region Study on Seed Germination and the Protocorm Multiplication of Phaius tankervilleae Phytoremediation of Four Plant Species in 133Cs and 88Sr Contaminated Soil Developmental and Anatomical Studies of the Salt Gland in Limonium aureum Immunofluorescent Observation of Micro tubule Cytoskeleton in Root Tip Cells of Sagittaria sagittifolia L. Phenotypic Variation of Natural Populations in Rhododendron purdomii in Qinling Mountains Drought Resistance Evaluation and Leaf Structures of Ten Species of Broad-leaved Ornamental Plants in Yan’an Urban Area Leaf Anatomical Structure of Zygophyllum xanthoxylum under Chronic High Wind Morphology Structure of Leaf Epidermis of Genus Rubus in Heilongjiang Compatibility of Different Pollination Combinations in Primula forbesii Morphology and Histochemistry of the Glandular Trichomes of Isodon rubescens (Hemsley) H. Hara [Lamiaceae] Growth, Development and Flower Differentiation of wild Primula maximowiczii Oxalic Acid-induced H2O2 Production and Resistance to Downy Mildew in Cucumber Seedlings In Vitro Effect of Stylar S-RNase of Pear on the Calmodulin Localization of Pollen Tube Screening of Antibacterial Activities of Endophytic Fungi Isolated from Eucommia ulmoides The Optimization of the SSR Reaction System for Venturia inaequalis Plant resources with antimicrobial activities in Xinjiang of China Study on dynamics model of age structure of Quercus variabilis in different region in Shaanxi Biochemical changes in anthers of "Dong A" genetic male sterile lines of cotton Effects on some physiological characters of seedling and germination of radish seeds after treated with Hg2+ Biological effect on the germination and growth of mung bean seeds under low frequency magnetic field Genetic variation among varieties of foxtail millet from different regions in China based on RAPD markers Study on the character of absorbing water and the germinative condition of Salvia miltiorrhiza Bunge seeds Cadmium-induced peroxidation and production of sulfur-related complex in the leaf of oilseed rape Comparison of antioxidative system in Kobresia humilis grown at different altitudes on Qinghai-Tibet Plateau A preliminary study on community characteristics of Pinus tabulaeformis f. shekannesis on Loess Plateau Expression of biological metabolism adapt to Europium Ions (Eu~(3+)) environment in Lathyrus sativus roots In vitromicropropagation of Amorpha fruticosa Cytological characteristic on microsporogenesis and male gametophyte development of (Triticale/Tritileymus) F1 Constituents from Armillariella mellea Study on simulated vitro digestibility of 2 species sedge family herbage grown at different altitudes in Tibetan Plateau Dynamic analysis of the growth during nursery of paulownia clones Production of transgenic millet plants via particle bombardment Studies on the endemism in the flora of Shandong province Studies on vegetative reproduction pattern of Kingdonia uniflora Acytological study of Astragalus dshimensis Gontsh.and A.hoantchy Franch.with a taxonomic revision Characters of leaf epidermis in Swertia L. Study on characteristics of photosynthetic membranes in Yangmai No.5 (T.aestivum L.) flag leaves during photosynthetic functional decline process Study on selection methods and criteria of Pinus tabulaeformis in Shaanxi RFLP analysis of mtDNAs among three types of cytoplasmic male sterility and their F_1 hybrids in wheat STUDIES ON THESTRUCTURE,AFTERRIPENING AND CYTOCHEMISTRY OF SEEDS IN ELEUTHEROCOCCUS SENTICOSUS Histochemical localization of anthraquinones in rhizome of Rheum officinale Bail Characters of endosperm cells in the seeds of some species of Roegneria and their taxonomic significance HISTOCHEMISTRY OF SINOMONINE IN THE STEM OF SINOMENIUM ACUTUM AND SINOMENIUM ACUTUM VAR. CINEREUM HISTOCHEMISTRY ANDCYTOCHEMISTRY OF RESIN-CONTAINING CELL IN PINUS TABULAEFORMIS THE ULTRASTRUCTURAL STUDY OF PROTEIN BODY IN UNGERMINATED AND GERMINATED TOMATO SEED A STUDY OF PHYSIOLOGICAL AND BIOCHEMICAL CHARACTERS IN SEEDLINGS OF MAIZE UNDER WILTING 光、暗处理对蚕豆茎内皮层形成的影响 Ⅱ.与栓化作用有关的酶及抗氧化剂的关系 A REVISION OF THE GENUSTIMMIA HEDW.(TIMMIACEAE,MUSCI) OF CHINA Study on predicition method of cone crop in seed orchard of Pinus tabulaeformis Effects of vitamin C on peroxidization of chloroplast membrane lipid from cucumber Study on introduction and breeding of improved breeds of seabuckthorn in the semiarid loess hilly region Studies on the cell development and its function of microsporangium epiderm in Plantycladus orientalis Adjustmentof photoassimilate partitioning of Malus pumila M.by flower thinning and its physiological performance Dynamic optimization research on weight increment in winter wheat grain dry matter Studieson the relation between secretory structures and itssecontary product in Hypericum sampsonii Cryo-electron microscopy and its application in studies of plant (animal) materials Effectof sucrose concentrations with or without SA onformation and growth of In vitro microtuber in potato EFFECTS OF THE ENHANCED UV-B RADIATION ON THE MICRONUCLEUS EVENTS OF TRADESCANTIA POLLEN MOTHER CELLS EFFECTS OF NaCl ON PR0TEIN AND CONTENT OF FREE AMINO ACIDS IN ROOTS OF BARLEY STUDIES ON THE WILD ECONOMIC PLANT RESOURCES AND ITS UTILIZATION IN GANSUHEXI A STUDY ON ANATOMICAL CHARACTERISTICS OF LEAVES AND STEMS OF FIVE ALPINE PLANTS USED FOR TIBETAN MEDICINE IN QINGHAI-TIBETAN PLATEAU BIOLOGICAL PROPERTY AND IN VIVO AND IN VITRO MULTIPLICATION OF THE PLANTLETS OF VINCAMINORL STUDY ON THE CULTURE OF DIFFERENT EXPLANTS OF MISCANTHUS SACCHARIFLORUS(MAXIM.)BENTH ET HOOK IN VITRO EFFECTS OF NITROGEN ON THE DYNAMIC CHANGE OF NITRATE REDUCTASE ACTIVITY AND GRAIN PROTEIN CONTENT OF WHEAT OBSERVATION OF MANGO FRUIT BY SCANNING ELECTRON MICROSCOPY 四棱草属比较形态及其分类系统位置的研究Ⅰ.四棱草属及近缘属叶片毛状体微形态 STUDY ON CHEMICAL CONSTITUENTS IN SEEDS OF DIPTERONIA SINENSIS OLIV. NATIVE TO CHINA PHARMACOGNOSTICAL STUDY AND DETERMINATION OF COMMON METAL ELEMENTS ON THE ROOTS OF TONGOLOA SILAIFOLIA(DE BOISS)WOLFF THE DEVELOPMENT ANATOMY OF STALAR DIVISION IN GENTIANA STRAMINEA ROOT THE LOCALIZATIONS OF ADENOSlNE TRIPHOSPHATASE AND ACID PHOSPHATASE ACTIVITIES IN ALBUMINOUS CELLS PINUS BUNGEANA AND THEIR RELATIONS TO SEASONS 杜仲胚胎学的研究——Ⅱ.雄配子体的发育 THE ANALYSIS OF COMBINING ABILITY IN WHEAT CULTIVARS FOR QUALITY AND AGRONOMIC CHARACTERS CYTOLOGICAL OBSERVATION OF MICROSPOROGENESIS AND POLLEN DEVELOPMENT IN OCTOPLOID A GROTRITlCUM, T. TURGIDUM AND THEIR HYBRID