Study ABA sensitivity of seeds during development of Castanopsis hystrix and Castanopsis sclerophylla Volatile comparison of Chinese Medicinal Herb Thymus mongolicus Study on geographical distrbution characteristic of phytoplankton in the Heihe valley A mathematical model on procedure of some physiology and biochemical during aging of Chinese Fir seed Study of the vigor of trace pollens in CMS of Brassica napus L.and their niflulence on the purity of hybrid Studies on embryogenesis and embryo growth process of the root callus in wheat ( Triticum aestivum L.) Studies on therelationship between grain sink activity ofJaponica/Indica hybrid rice and its grain filling Studies on the aquatic vascular plant communities and ecological characteristics in Heihe valley Studies on individual sexual reproductive process of Juglans mandshurica Systematicstudies on some questions oftamaricaceaebased on ITS sequence Studies on the fertility of original cross and reciprocal cross between T.aestivum and Ae.tauschii A study on the physiological properties of root systems in various wheat varieties and the effects of their phosphorus uptake and utilization efficiency on the yields Characteristics of flag leaf senescence and activated oxygen metabolism for cold type wheat Characters of endosperm cells in the seeds of some species of Roegneria and their taxonomic significance THE ULTRASTRUCTURAL OBSERVATION OF WHEAT SALT TOLERANCE CELL LINES OF CALLI A STUDY OF PHYSIOLOGICAL AND BIOCHEMICAL CHARACTERS IN SEEDLINGS OF MAIZE UNDER WILTING CRYOPRESERVATION OFAPRICOT CALLI ON SCUTELLARIA ALASCHANICATSCHERN. Study on chemical constituents of essential oil from Vitex negundo Linn. Effects of vitamin C on peroxidization of chloroplast membrane lipid from cucumber Research on high efficient plantlet regeneration of Benincasa hispida (Thunb.) Cogn. Effectsof fertilizer application depth on senescence of flag leafafter anthesis and yield in dry land wheat Adjustmentof photoassimilate partitioning of Malus pumila M.by flower thinning and its physiological performance STUDIES ON ULTRASTRUCTURE OF ACHENE EPIDERMIS AND ITS TAXONOMIC IMPLICATIONS TO CAREX (CYPERACEAE) IMMUNO CYTOCHEMICAL LOCALIZATION OF ACTIN IN NUCLEAR MATRIX AND CHROMOSOME SCAFFOLD OF BARLEY STUDY ON SEED GLUCOSINOLATE COMPOSITIONS DIFFERENCES BETWEEN PARENTS OF BRASSICA JUNCEA AND BRASSICA NAPUS AND THEIR PROGENIES BREEDING AND CYTOGENETIC STUDY OF TRITICUM AESTIVUM-PSATHYROSTACHYS HUASHANICA ALIEN SUBSTITUTION LINES A COMPARATIVE ANATOMY OF DIFFERENT POPULATIONS ON APOCYNUM VENETUM AND POACYNUM HENDERSONII EFFECTS OF THE ENHANCED UV-B RADIATION ON THE MICRONUCLEUS EVENTS OF TRADESCANTIA POLLEN MOTHER CELLS STUDIES ON THE TISSUE AND CELL CULTURE OF SOPHORA JAPONICA L. STUDIES ON THE MORPHOLOGICAL CHARACTERS AND PEROXIDE ISOENZYMES OF THE 5 AUSTRALIAN WILD SPECIES OF GOSSYPIUM A STUDY ON TECHNIQUE ABOUT TURNING WILD THALICTRUM BAICALENSE TURCZ. INTO DOMESTIC ONE GLYCOSIDES OF HEDERAGENIN FROM DECAISNEA FARGESII PRELIMINARY STUDY OF BIOLOGICAL EFFECTION OF MAIZE SOAKED IN THE MAGNETIZED WATER STUDY ON PHYTOTOMIC CHARACTERISTIC AND CORRELATION BETWEEN IT AND PHOTOSYNTHETIC PHYSIOLOGIC INDEX IN LEAVES OFFIVE SPECIES FROM CAMELLIA SYSTEMATIC CLASSIFICATION OF THE GENUS LONICERA L. FROM GANSU SETTING UP ECOLOGICAL GARDENS OF GALLNUT AND INPROVING GARDENS OF LOW YIELD IN THE QINLING AND BASHAN MOUNTAINOUS REGION PREVENTION AND CURE OF PRYMNESIUM PARVUM CARTE FROM POISONG FISH IN THE SALINE-ALKAI PONDS STUCIES ON THE ULTRASTRUCTURE AND MECHANISM OF NECTAR SECRETION IN FLORAL NECTARIES OF BRASSICA CAMPESTRIS LINN. AT DIFFERENT DEVELOPMENTAL STAGES A STUDY ON ANATOMICAL CHARACTERISTICS OF LEAVES AND STEMS OF FIVE ALPINE PLANTS USED FOR TIBETAN MEDICINE IN QINGHAI-TIBETAN PLATEAU A STUDY ON POLLEN MORPHOLOGY OF PUNICACEAE FROM CHINA OBSERVATION OF THREE VIRUSES DISEASE OF THE CEREAL BY ELECTRON MICROSCOPE INVOLVEMENT OF CALCIUM AND CALMODULIN IN THE REGULATION OF DEOUGHT RESISTANCE IN ZEA MAYS SEEDLINGS PLANT REGENERATION FROM CALLUS PROTOPLASTSOF LOTUS CORNICULATUS L. 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 OBSERVATION OF MANGO FRUIT BY SCANNING ELECTRON MICROSCOPY MORPHOLOGICAL AND ANATOMICAL STUDIES ON THE SEEDLING IN CALENDULA OFFICINALIS LINN. THE STUDY ON CELL LIPID OVER-OXIDATION INJURIES AND CHANGES OF PLASMALEMMA ULTRASTRUCTURE IN TYPICAL SALINE PLANTS STUDY ON CHEMICAL CONSTITUENTS IN SEEDS OF DIPTERONIA SINENSIS OLIV. NATIVE TO CHINA INTRODUCTION AND DOMESTICATION OF IRIS CARYOPHYLLACEAE IN LOESS PLATEAU FROM CHINA PHARMACOGNOSTICAL STUDY AND DETERMINATION OF COMMON METAL ELEMENTS ON THE ROOTS OF TONGOLOA SILAIFOLIA(DE BOISS)WOLFF HISTOLOGICAL DEVELOPMENTAL STUDIES ON THE ADVENTITIOUS ROOTS OF GENUS CHLORANTHUS 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 HISTOLOGICAL STUDIES ON THE MORPHOGENESIS OF THE HYPOCOTYL OF CABBAGE IN TISSUE CULTURES BREEDING SYSTEM OF LAMIUM AMPLEXICAULE THE VEGETATION OF DA QAIDAM BASIN IN QINGHAI PROVINCE APPROACH TO GROWTH AND PHYSIOLOGICAL CHARACTERS IN OCTAPLOID PANICUM MILIACEUM L. LOCALIZATION OF ACID PHOSPHATASE ACTIVITY DURING DEVELOPMENT OF MEGAGAMETOPHYTE IN WHEAT OVULE DEVELOPMENT AND CALLOSE DEPOSITION IN RHEUM PALMATUM MORPHOLOGICAL AND CYTOLOGICAL OBSERVATIONS OF DOUBLE FERTILIZATION IN SETARIA ITALICA EFFECT OF DIMETHYL SULFOXIDE ON ULTRASTRUCTUES OF ROOT MERISTEMATIC CELLS OF SECALE CEREALE COMPARISON OF CHEMICAL COMPONENTS OF XIAOYAN WHEAT RAPID INDUCTION OF CAM IN SUDUM SPECTABILE PROMOTIVE EFFECT OF L-PROLINE ON THE GROWTH OF WHEAT CALLUS RESEARCH ON HOT, DROUGHT RESISTANCE AND CULTIVATION TECHNIQUE OF VIBURNUM PLICATUM F. TOMENTOSUM AND LINDERA MEGAPHYLLA 小花草玉梅变态花的形态学研究——I.变态花的形态学观察 CAT CYTOLOGICAL OBSERVATION ON CALLUS PRODUCTION AND EMBRYOGENESIS OF Gossypium hirsutum L. 中国特有植物海南草珊瑚管状分子的初步研究—草珊瑚属导管存在的例证 DIIVERGENCE OF Ri T-DNA TRANSFORMATS OF CABBAGE THE CHARACTERISTICS OF THE LEAF EPIDERMIs OF ENDEMIC GENUS GYMNOTHECA IN CHINA AND ITS AFFINITE GNERA DURING THE BEGINNING OF THE LIGHT PERIOD PATHWAY OF CO_2 FIXATION IN THE CAM PLANT STUDIES ON CHEMICAL COMPONENT OF PINE NEEDLES THE GEOGRAPHICAL DISTRIBUTION AND FLORESTIC CHARAC TERISTICS OF GENERA ENDEMIC SPERMATOPHYTES TO CHINA IN QINLING Scaling-up methodology for alpine grassland coverage monitoring based on Landsat 8 OLI and MODIS remote sensing data: A case study in XiaheSangke grassla Phenotypic structure of Phytophthora capsici populations on pepper in Fujian, China Nested-PCR detection for Leifsonia xyli xyli, the causal bacterium of sugarcane ratoon stunting disease Control efficacy of Bacillus subtilis sf 628 on pear anthracnose