RESISTANCE TO INSECTICIDES IN HELICOVERPA ARMIGERA IN HEBEI, HEN AN, SHANDONG AND XINJIANG THE RELATION BETWEEN AMINO ACIDS AND THE RESISTANCE OF WHEAT VARIETIES TO THE ENGLISH GRAIN APHID MACROSIPHUM AVENAE F. THE RELIABILITY ANALYSIS OF THE MODEL FOR PREDICTING PESTICIDE RESIDUE STUDY ON THE ALLEVIATION OF COTTON BOLLWORM TO INSECTICIDES BY Bt TREATMENT VIRULENCE OF BEAUVERJA BASSIANA AGAINST THE GREEN PEACH APHID,MYZUS PERSICAE THE EFFECTS OF GRASSHOPPER POPULATION DENSITY ON THE GROWTH OF GRASS AND FORAGE LOSS IN NATURAL GRAZING GROUND THE BIONOMICS OF PEACH FRUIT BORER DAMAGED ON APRICOT TREE THE RELATION BETWEEN THE CASSIDA NEBULOSA AND HOST PLANTS THE EFFECT OF ASPARAGUS STEM EXCHANGING ON BLIGHT DISEASE CONTROL AND YIELD PERFORMANCE ISOLATION AND IDENTIFICATION OF CHITINASE PRODUCING BACTERIA INHIBITING GROWTH OF MAGNAPORTHE GRISEA STUDY ON THE FORECAST OF THE POPULATION DYNAMICS OF MANDARIN VOLE CURRENT SITUATION OF THE IDENTIFICATION, SELECTION, AND APPLICATION OF RESISTANT COTTON CULTIVAR AGAINST COTTON INSECT PESTS IN CHINA BIOLOGICAL ACTIVITY AND CONTROL TECHNIQUES OF IMIDACLOPRID AGAINST RHOPALOSIPHUM PADI(L. ) INDUCED RESISTANCE TO DOWNY MILDEW OF CUCUMBER BY CHEMICALS ANALYSIS OF RESISTANCE GENETICS AND MAPPING OF RESISTANT GENE IN A RICE VARIETY DUOKANG 1 TO RICE GALL MIDGE ELECTROPHORETIC BANDING PATTERNS OF PROXIDASE ISOENZYME OF 2 SPECIES OF CIRSIUM AND THEIR TAXONOMIC SIGNIFICANCE STUDY ON DIOSGENIN AND SACCHAROMYCES SICCUM FROM PROCESSING DIOSCOREA BY ISOLATION THE RESPONSE OF MIDDAY DEPRESSION OF DIURNAL VARIATION OF NET PHOTOSYNTHETIC RATE OF WHEAT LEAVES ON ECOLOGICAL FACTORS IN THE FIELD ENVIRONMENT OF QINGHAI PLATEAU EFFECT OF BARLEY STAMENT ON OPENING AND CLOSING-LEMMA QUANTIATIVE ANALYSIS OF PLANT COMMUNITY DIFFERENTIATION UNDER DIFFERENT GRAZING INTENSITY IN HORQIN SANDY MEADOW RANGELAND 长芒草草原群落种群空间格局的研究Ⅲ.集聚强度和规模及其生态成因分析 ANTHER AND POLLEN DEVELOPMENT IN VIGNA SESQUIPEDALIS(L.)FRUW. STUDY ON KARYOTYPE OF SAROMAOLIVER(ARISTOLOCHIACEAE)AND ITS SYSTEMATIC SIGNIFICANCE STUDY ON GEOGRAPHICAL DISTRIBUTION AND FLORA CHARACTERISTIC OF SUBFAMILIES ALSINOIDEAE AND PARONYCHIOIDEAE IN XINJIANG STUDIES ON NUMERICAL CLASSIFICATION OF ROSE CULTIVARS INTERSPECIES TEST-TUBE FERTILIZATION IN NICOTIANA TABACUM X N.REPANDA 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 The Fine Scale Spatial Heterogeneity of Soil Physical Properties in a Primary Tropical Montane Rainforest of Jianfengling, Hainan Island, China Isolation and Expression of APETALA2 Transcription Factor Gene in Betula platyphylla Effect of Different Nitrogen Forms on Root Growth and Dynamic Kinetics Characteristics for Citrus sinensis×Poncirus trifoliata Current Status and Site Conditions of Mangrove Forest Community in Hanjiang River Delta of Guangdong Province 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 SYNTHESIZED ECOLOGICAL EFFECT OF RICE DENSITY AND NITROGEN FERTILIZER ON THE OCCURRENCE OF MAIN RICE PESTS THE SYNERGISM OF THURINGIENSIN IN THE MIXTURE WITH ENDOGENOUS Bt CRYSTAL ON DIAMOND-BACK MOTH 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 DEGRADATION AND RESIDUE OF THIOPHANATE METHYL IN WHEAT AND SOIL 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 Effects of La(NO3)3 on Plant Growth and Leaf Photosynthetic Physiology of Ryegrass(Lolium pernne L.) Seedlings under Alkaline Stress Revision of Swietenia mahagoni(Meliaceae) in Chinese Taxonomic Literature 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 The Mniaceae in Bailong River Basin of Gansu,China 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.) Effect of Nitric Oxide(NO)Fumigation on the Photosynthesis of Garlic Sprouts The Biosystematic Relationships among Psathyrostachys,Critesion and Hordelymus Based on the Micromorphological Characteristics of Leaf Epidermis Study on Purification Process of Total Flavonoids from Euonymus alatus(Thuhb) Sieb. by Macroporous Resins Purification and Identification of Populus ussuriensis Genomic DNA 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 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) Genetic Diversity of Part of Large Bryophyte in Northeast Region Using RAPD Establishment and Optimization of ISSR Reaction System for Winterfat Using Orthogonal Design Cloning and Expression of Gene which Encode SOD of Nostoc flagelliforme in E. coli 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) Magnolia glaucophylla,a New Species of Magnoliaceae from SE Yunnan,China Comparative expression analysis of Crlea gene in Catharanthus roseus under drought stress by real-time quantitative PCR The distribution pattern and ecological adaptation of Caragana sibirica Fabr. Cytological investigation on microsporogenesis of male sterility of pepper Review of taxonomy researches on Chinese Orthotrichaceae A review of phylogeny of Carlemanniaceae 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 Effects of Roadside Slope Gradient on Plant Diversity during Revegetation Establishment of SSR Reaction System and Fingerprinting for Some Aechmea Species 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