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THE STUDIES ON THE CHARACTERS OF THE DENDRARNTHEMA(DC.)DES MOUL.IN THE EAST-NORTH CHINA 石刁柏花药培养再生植株的生根研究（Ⅱ） QUANTIATIVE ANALYSIS OF PLANT COMMUNITY DIFFERENTIATION UNDER DIFFERENT GRAZING INTENSITY IN HORQIN SANDY MEADOW RANGELAND THE EFFECT OF LOW TEMPERATURE PRETREATMENT ON ATPase ISOZYMES OF ROOT IN FOUR PLANT SEEDLINGS ANTHER AND POLLEN DEVELOPMENT IN VIGNA SESQUIPEDALIS(L.)FRUW. THE CHARACTERISTICS OF FLORA IN THE ZHONGTIAO MOUNTAIN STUDY ON KARYOTYPE OF SAROMAOLIVER(ARISTOLOCHIACEAE)AND ITS SYSTEMATIC SIGNIFICANCE STUDY ON GEOGRAPHICAL DISTRIBUTION AND FLORA CHARACTERISTIC OF SUBFAMILIES ALSINOIDEAE AND PARONYCHIOIDEAE IN XINJIANG OBSERVATION OF THE LEAF STRUCTURE OF TWO DAVIDIA INVOLUCRATA BAILL SPECIES A CYTOLOGICAL OBSERVATION IN MICROSPOROGENESIS OF MALE STERILE LINES AND FERTILE LINES OF MILLET 八倍体小偃麦与普通小麦杂交后代花药培养的研究 Characteristics of Environmental Effects in the Landscape Shelter Forest along the Aerodrome Road in Guangzhou Screening in vitro of Antagonistic Streptomyces against the Black Rot Disease (Alternaria tenuissima) of Zanhuang Jujube Fruit and Optimization of Fermentation Conditions Effect of Different Nitrogen Forms on Root Growth and Dynamic Kinetics Characteristics for Citrus sinensis×Poncirus trifoliata THE DETECTION OF BANANA BUNCHY TOP DISEASE WITH MONOCLONAL ANTIBODY OF BBTV EFFECTS OF DINITROANILINE IN INDUCING COTTON RESISTANCE TO FVSARIVM WILT COMPENSATION OF PHOTOSYNTHETIC ASSIMILATOR IN RICE LEAVES FOR INFECTION WITH XANTHOMONAS CAM PEST RIS PV. ORYZAE THE SYNERGISM OF THURINGIENSIN IN THE MIXTURE WITH ENDOGENOUS Bt CRYSTAL ON DIAMOND-BACK MOTH STUDY ON THE EFFICACIES OF WHEAT-PEPPER INTERPLANTATION TO EVADE APHID DAMAGE AND ALLEVIATE VIRUS DISEASE A FUZZY SYNTHETIC DECISION FOR THE RESISTANCE OF RAPE VARIETIES TO RAPE APHIDS RACE DYNAMIC OF PUCCINIA GRAMINIS F. SP. TRITICI IN CHINA IN 1993 THE PATHOGEN AND CONTROL OF KIDNEY BEAN WILT DISEASE STUDY ON THE INTEGRATED MANAGEMENT OF CITRUS CANKER PATHOGENICITY DIFFERENTIATION OF ALTERN ARI A ALTERN AT A AND INDUCED RESISTANCE OF TOBACCO TO BROWN SPOT BY WEAK VIRULENCE STRAINS STUDY ON RESISTANCE OF THREE COTTON SPECIES TO MAIN COTTON DISEASES THE FUZZY IDENTIFICATION FOR FORECASTING THE POPULATION DYNAMICS OF CROP PESTS Revision of Swietenia mahagoni(Meliaceae) in Chinese Taxonomic Literature A new variety of Pulsatilla(Ranunculaceae) from Greater Khingan Mountains of Inner Mongolia Embryology of Juglans mandshurica Maxim.（Ⅰ） the Microsporogenesis,and the Development of Male Gametophytes Cloning and Prokaryotic Expression of Chorispora bungeana CbMAPK3 Gene Peristome Morphology of Bryum Hedw. (Musci:Bryaceae) and Its Taxonomic Significance Embryogenesis of Swertia bimaculata Antimicrobial Activity of Nitellopsis obtusa(Charophyta) and Optimization of Extraction Conditions DNA Isolation,Optimization of ISSR-PCR System and Primers Screening of Codonopsis pilosula(Franch.) Nannf. ISSR Analysis of Genetic Diversity in Freesia refracta Germplasm Cloning and Sequence Analysis of Full-length cDNA of Actin Gene from Birch(Betula platyphylla Suk.) Effects of Extracts from Root of Rheum tanguticum on Seed Germination and Seedling Growth of Triticum aestivum and Elymus nutans Effect of Nitric Oxide（NO）Fumigation on the Photosynthesis of Garlic Sprouts A Test Study of Liparis kumokiri F. Maek Exists in the Northeast of China The Biosystematic Relationships among Psathyrostachys,Critesion and Hordelymus Based on the Micromorphological Characteristics of Leaf Epidermis Purification and Identification of Populus ussuriensis Genomic DNA A Method for Lower Epidermis Micromorphology Research of Fresh Leaf of Gramineae Studies on Optimization of ISSR Amplified Conditions in Kudingcha Species in Oleaceae of China Leaf Epidermal Feature of Astragalus L. Subgenus Pogonophace Bunge(Leguminosae) from China and Its Systematic Significance Morphological Difference of Arabidopsis thaliana Ethylene Mutants Affected by Drought Stress Physiological Responses of Iris to NaHCO₃ Stress Induction Technique of Picea koraiensis Nakai Embryogenic Callus The Morphology and Process Changes of Peltate Glandular hairs in Alnus mandshurica Leaf Epidermis Floral Organogenesis of Kmeria septentrionalis(Magnoliaceae) Megasporogenesis,Microsporogenesis and Development of Gametophytes in the Rare Endangered Plant Manglietia patungensis Hu Floral Organogenesis of Triglochin maritimum Linn.（Juncaginaceae） The Development on Leaves’ Trichomes of Elaeagnus mollis Diels Micro-morphology of Leaf Epidermis of Caragana in Inner Mongolia Establishment and Optimization of ISSR Reaction System for Winterfat Using Orthogonal Design Primary Study of the Photosynthetic Characteristics of Chlamydomonas reinhardtii Strain 849 under Salty Stress Validation of Two Names Betula jiulungensis (Betulaceae) and Rubia ovatifolia (Rubiaceae) Expression rice cytosol fructose 1,6-bisphosphate aldolase in Anabaena sp. PCC 7120 and explore its regulation function in photosynthesis The emergence of macrospore and the formation of female gametophyte in Pinus sylvestris var. mongolica The distribution pattern and ecological adaptation of Caragana sibirica Fabr. Cytological investigation on microsporogenesis of male sterility of pepper New fern records from Guizhou Province, China Two new species of Cyanophyta from Jilin Province, China Effects of Biomagnetic Effect on the Bioactive Metabolite Production in Fruiting Body of Cordyceps militaris Extraction of Total Flavonoids from Peony Episperm and ABTS Radical Scavenging Activity Interspecific Relationships among the Dominant Weeds Species of Tobacco Field in Guizhou Province Ionic Liquids-based Microwave-assisted Extraction of Biochanin A and Genistein from Dalbergia odorifera T.Chen Leaves Micromorphological Features of Epidermis of 20 Species Ferns from Yunnan Taxonomic Status of Cephalotaxus alpina(Li) L.K.Fu(Cephalotaxaceae) in the Views of Morphological Characteristics of Seeds and Leaves Biomass Allocation Pattern and Water Characteristics of Each Component of Phoebe bournei Container Seedling Relationship Between Pteris fauriei and Pteris biaurita Based on rps4-trnS Region Sequences Analysis Optimization of SRAP-PCR System for Opisthopappus taihangensis(Ling) Shih by Uniform Design Demography History and Genetic Divergence of Sibiraea laevigata(Rosaceae) Based on Chalcone Synthase Gene Total Nitrogen Concentration and Pedogenic Function of Bryophyte Crust in Typical Vegetations in Upstream of Chishui River Cloning and Expression Analysis of Gibberelin 20 Oxidase Gene from Camellia lipoensis Chang et Xu Relationships of Pinus koraiensis Cone Production with Stand and Climate Factors Contamination Control of Underground Buds in Peony Tissue Culture Expression of Zinc Finger Protein Gene in Populus alba×P.berolinensis in the Infection Process by Cytospora chrysosperma Cloning and Prokaryotic Expression of PsnAP1-1 and PsnAP1-2Genes in Poplar(Populus simonii×Populus nigra) Logistic Model Building of Seedling Growth Traits in Transgene Populus simonii×P.nigra Clones Carrying TaLEA Gene Critical Cis-acting Element in the Promoter of the Stress-tolerant Gene AtRPK1