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Study on the Optimum Harvest Time for Isodon rubenscens The Effects of Dark and Light on Growth and Physiological and Biochemical Characteristics in Cell Culture of Catharanthus roseus (L.)G.Don Tissue Culture of Echinocodon lobophyllus Hong The Evolution and Sources of the Flora in Shandong Province EFFECT OF 4-PU AND 6-BA ON THE RETARDING OF DETACHED RADISH COTYLEDON SENESCENCE AND LIPID PEROXIDATION Some forest communities in north of Guangdong， China Ecophysiological responses of vegetative propagule of Cynodon dactylon to simulated summer flooding Accumulation of above-ground biomass and nutrients in swidden fallows: A comparison between planted alder fallows and unmanaged grassy fallows in Yunnan The change of plant diversity during natural recovery process of vegetation in Ziwuling area Potential Distribution Prediction and Suitability Evaluation of Fritillaria cirrhosa D.Don based on Maxent Modeling and GIS Anatomical Study on the Primary Vascular System of Seedling of Catalpa ovata Bryophyte Communities from Abandoned Mercury Mine in Eastern Guizhou Province The Seasonal Dynamic of the Agronomic Traits and the Content of Alkaloid of the Cultivated Catharanthus roseus Chlorophyll Fluorescence Characteristics of Elaeagnus angustifolia L. and Grewia biloba G.Don var.parviflora(Bge.)Hand.-Mazz. Seedlings under Drought Stress Discovery and Identification of Male Sterility Platycodon grandiflorum Germplasm JXB-1 A New Species of Iris L.(Iridaceae) From Yunnan,China Two New Varieties of Malus hupehensis (Pamp.) Rehd. from Shandong Province Effect of triadimefon on anti-oxidative enzymes activity in cucumber cotyledons STUDIES ON EARLYEVENTS IN COTYLEDON CELLSCULTURED IN VITRO OF ACACIA MANGIUM STUDY ON PROTOPLAST ISOLATION FROM COTYLEDONS OF PEPPER MICROSTRUCTURAL CHANGES AND ISOPEROXIDASE CHANGES OF COTYLEDON CELL IN SOPHORA JAPONICA L. DURING SEED DEVELOPMENT ENDOGENOUS ABSCISIC ACID AND CYTOKININS CHANGES DURING EARLY SOMATIC EMBRYOGENESIS IN CODONOPOSIS PILOSULA (FRANCH) NANNF. TISSUE CULTURE TISSUE CULTURE AND PLANT REGENERATION IN ARTEMISIA SPHAEROCEPHALA KRASCH THE ULTRASTRUCTURAL CHANGES DURING MICROSPOROGENESIS AND DEVELOPMENT OF MALE GAMETOPHYTE IN PLATYCODON GRANDIFLORUS Impact of Freezing Disaster on Nutrient Content in a Koelreuteria paniculata and Elaeocarpus decipens Mixed Forest Ecosystem Effects of the Frozen Rain and Snow Disaster to the Litterfall of Evergreen and Deciduous Broadleaved Mixed Forest in Yangdongshan Shierdushui Nature Reserve of Guangdong Response of Environment to Forest Landscape Pattern in West Dongting Lake Region Abundance of Soil nutrients and Labile Organic Carbon Responsive to Afforestation on Abandoned Limestone Hill Woody Landscape Plants Selection in Urban Accessory Greenlands of Branches in Semi-Arid Areas——An Example of Shendong Mining Area Emergy Synthesis on the Compensation Rate of Ecological Beneficial Forest in Guangdong Province Plant Regeneration from Excised Immaturate Embryos of Peach (Prunuspersica L. ) The Establishment of Receptor System for Insect􀀁resistant Gene Transformation of Brassica campestris L. ssp. chinensis ( L. ) Makino The Establishment of Receptor System for Insect􀀁resistant Gene Transformation of Brassica campestris L. ssp. chinensis ( L. ) Makino Effects of Cytokinins on Shoot Organogenesis from Cotyledon of Pepper A Study on the Phenotypic Diversity of Cynodon dactylon Zonation of Seedling of Beta vulgaris and Its Location of Fleshy Tap Root New Synonymies in the genus Rhododendron from China A new orchid Paphiopedilum guangdongense and its molecular evidence The Dominant Species of the Dwarfing Mossy Forest on the Summit of Mt. Ailao in Jingdong Yunnan Lithocarpus pachy Phylloides The Effects of Naphthalene Acetic Acid, Kinetin and Wound on the Callus Formation with Relation to the Biosyntheses of Tryptophan and Indole Acetic Acid in the Cotyledon of Mung Bean Chemical Constituents of Four Medicinal Lichens The Structure of Parvifoliside Anatomical Studies on Secondary Xylem and Secondary Phloem of Dipentodon sinicus Agrobacterium-mediated Transformation of Kentucky Bluegrass Lectotypifications of Sixteen Names in Dicotyledon To Optimize the Factors that Affected Transformation System of Tomato Cotyledon Explant Advance in Application of SCoT molecular Markers in plants The Senescence and Membrane Lipid Peroxidation of Dongzao Jujube under Hypobaric Condition 黄土高原不同退耕年限坡地植物比叶面积与养分含量的关系 The spatio-temporal dynamics of salt marsh vegetation for Chongming Dongtan National Nature Reserve, Shanghai A study on sustainable utilization of eco-agricultural resources in wet-land of Dongting Lake The effect of rehabilitation on vegetation species composition and soil seed bank at a degraded dry valley in Dongchuan,Yunnan Province Genetic variation and reproductive fitness components of Gordonia acuminata in different communities Distribution and accumulation of nutrients and heavy metals in Dongtan wetlands on Chongming Island, China Quantitative evaluation of ecological security status and trends: a case study of Guangdong Province, China Spatial and temporal patterns of net primary productivity in the duration of 1981-2000 in Guangdong, China A predictive model for the hyperspectral character of saltmarsh soil to its heavy metal content at Chongming Dongtan The biodegradation of dissolved organic carbon and nitrogen in brown earth with different fertility levels Soil water and nutrients of vegetation communities under different restoration types on the hilly-gullied Loess Plateau THE STUDIES OF CRYOPRESERVATION OF CALLUS FOR MAIDENHAIR TREE(GIBGKO BILOBA L.) A FLORISTIC STUDY ON THE PTERIDOPHYTE IN SHANDONG PROVINCE OF CHINA THE ANALSIS OF DONGSHAN ORCHARD ECOSYSTEM AND OPTIMIZING DESIGN STUDIES ON THE CHEMICAL CONSTITUENTS OF THE LEAVES OF PIERIS FORMOSA D.DON A INITIAL STUDY ON DEVELOPMNETAL MORPHOLOGY OF ROOT SYSTEM OF ADONIS AMURENSIS ON THE SYSTEMATIC POSITION OF GENUS DIPENTODON DUNN COMPARATIVE STUDIES ON ISOLATED EMBRYO SACS IN FOUR SPECIES OF CAMPANULACEAE ULTRASTRUCTURE OBSERVATIONS ON COTYLEDONARY MESOPHYLL CELLS OF BRASSICA NAPUS L. DURING EMBRYO DEVELOPMENT CHROMOSOME PREPARATION WITH YOUNG PLANT COTYLEDON A PRELIMINARY TAXONOMIC STUDY ON MELIACEAE IN GUANGDONG CHLOROPLAST DNA VARIATION AND PHYLOGENETIC RELATIONSHIP AMONG SECALE SPECIES A STUDY ON FORST FLORA OF TAOYUANDONG NATURE CONSERVATION, HUNAN A NEW VARIETY OF SAUSSUREA CHINA FLORA AND ECOLOGICAL CHARACTERISTICS OF FERNS IN DONGLING MOUNTAIN AREA THE THEORY OF COTYLODON NODE ZONE AND THE EVOLUTION OF THE STRUCTURE OF WOOD THE AGGREGATE ROUGH ENDOPLASMIC RETICULA IN COTYLEDON DURING THE DEVELOPMENT OF BUCKWHEAT EMBRYO A study on the leaf abaxial epidermis of Fimbristylis Vahl from Shandong The Induction of Female Flowers in Cotyledons of Cucumber (Cucumis sativus L.) in Vitro Effects of Low Light Stress on the Biomass Distribution and Secondary Metabolism of Catharanthus roseus Establishment of quality evaluation system and difference analysis on roots of Codonopsis pilosula from different habitats Chemical constituents from Glochidion lanceolarium