Studies on the characteristics of element contents of altifrigetic subnival vegetation at the source area of Urumqi River HISTOCHEMISTRY ANDCYTOCHEMISTRY OF RESIN-CONTAINING CELL IN PINUS TABULAEFORMIS THE ULTRASTRUCTURALSTUDY ON CELLULARIZATION OF ENDOSPERM IN COIX LACRYMA-JOBI L. THE ULTRASTRUCTURAL STUDY OF PROTEIN BODY IN UNGERMINATED AND GERMINATED TOMATO SEED ANATOMICAL STUDIESON THE DEVELOPMENT OFOIL CELLS IN LITSEA PUNGENS EMBRYOLOGY OFSWERTIA ERYTHROSTICTA MAXIM. 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 The study of Rosa rugosa red pigment and its stability Study on predicition method of cone crop in seed orchard of Pinus tabulaeformis The characteristics of the woody plants flora in Bailongjiang Watershed Effects of vitamin C on peroxidization of chloroplast membrane lipid from cucumber Study on diversity of seed plants from Niubeiliang Nature Reserve Discussing issues about establishing vegetation on Loess Plateau according to the law of community Study on introduction and breeding of improved breeds of seabuckthorn in the semiarid loess hilly region The primary study on the breedingof Yulan Magnolia Studies on the cell development and its function of microsporangium epiderm in Plantycladus orientalis Research on high efficient plantlet regeneration of Benincasa hispida (Thunb.) Cogn. Study on the ethylenerelease and the membrantlipid peroxida-tion in the different development stage of lilium flower 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 A USNEA LONGISSIMA HANGING BAGS AS MONITORS OF TOMOSPHERIC FLUORINE SALT FACTORY THE DEVELOPMENT OF EMBRYO ENDOSPERM IN POLYGONUM MULTIFLORUM A ANALYSIS ON THE FLORA AND GEOGRAPHY OF GYMNOSPERM FROM GANSU PROVINCE 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 STUDIES ON THE MORPHOLOGY,STRUCTURE AND DEVELOPMENT OF THE GLANDULAR HAIRS IN PERILLA FRUTESCENS (L. ) BRITTON EFFECTS OF THE ENHANCED UV-B RADIATION ON THE MICRONUCLEUS EVENTS OF TRADESCANTIA POLLEN MOTHER CELLS STUDIES ON TISSUE AND RAPID PROPAGATION PTERIDIUM AQUILINUM VAR. LATIUSCULUM STUDIES ON THE TISSUE AND CELL CULTURE OF SOPHORA JAPONICA L. STUDIES ON THE CHARACTERISTICS RELATED TO SYMBIOTIC NITROGEN FIXATION OF LEGUMES IN HEXI CORRIDOR,GANSU EFFECTS OF NaCl ON PR0TEIN AND CONTENT OF FREE AMINO ACIDS IN ROOTS OF BARLEY A STUDY ON TECHNIQUE ABOUT TURNING WILD THALICTRUM BAICALENSE TURCZ. INTO DOMESTIC ONE ULTRASTRUCTURAL AND CYTOCHEMICAL LOCALIZATION OF ATPase ACTIVITY STUDIES OF EMBRYONIC CELL DIFFERENTIATION IN LYCIUM BARBARUM L GLYCOSIDES OF HEDERAGENIN FROM DECAISNEA FARGESII PRELIMINARY STUDY OF BIOLOGICAL EFFECTION OF MAIZE SOAKED IN THE MAGNETIZED WATER THE EFFECT OF EXOGENOUS DRUGS ON DAMAGE OF CUCUMBER SEEDLINGS UNDER CHILLING STRESS STUDY ON PHYTOTOMIC CHARACTERISTIC AND CORRELATION BETWEEN IT AND PHOTOSYNTHETIC PHYSIOLOGIC INDEX IN LEAVES OFFIVE SPECIES FROM CAMELLIA SETTING UP ECOLOGICAL GARDENS OF GALLNUT AND INPROVING GARDENS OF LOW YIELD IN THE QINLING AND BASHAN MOUNTAINOUS REGION STUCIES ON THE ULTRASTRUCTURE AND MECHANISM OF NECTAR SECRETION IN FLORAL NECTARIES OF BRASSICA CAMPESTRIS LINN. AT DIFFERENT DEVELOPMENTAL STAGES RELATIONSHIP OF YIELD AND ITS COMPONENTS AND BREEDING TARGETSFOR WHEAT CULTIVARS IN SHAANXI CENTRAL PLAIN A STUDY ON ANATOMICAL CHARACTERISTICS OF LEAVES AND STEMS OF FIVE ALPINE PLANTS USED FOR TIBETAN MEDICINE IN QINGHAI-TIBETAN PLATEAU ANATOMIC STUDIES OF THE FLORAL NECTARIES INELSHOLTZIA DENSA BENTH EFFECTS OF SPECIFIC ELECTROMAGNETIC WAVE RADIATION ON THE COMPOSITION OF MEMBRANE LIPID ACIDSIN THE LEAVES OF WHEAT SEEDLINGS STUDY ON THE CHEMICAL COMPONENTS AND SIBSHIPOF AFRICAN WATERMELON GERMPLASM STUDIES ON SOMATIC EMBRYOGENESIS FROM CELL SUSPENSIONCULTURE OF LOBLOLLY PINE THE INTRODUCTION AND OBSERVATION OF GROWTH AND DEVELOPMENT OF SCHNABELIA 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 STUDIES ON TECHNIQUES OF MINIATURE PROPAGATION IN WILD JUJUBE A PRELIMINARY STUDY OF ELEMENT BACKGROUND OF PLANTS ON THE XIZANG PLATEAU 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 THE RELATIONSHIP BETWEEN SENESCENCE AND MEMBRANE LIPID PEROXIDATION IN CUT TULIPS DURING VASE-HOLDING LIFE EFFECT OF BA ON ADENINE NUCLEOTIDE CONTENT AND ENERGY CHARGE IN LEAF OF PEANUT THE LAWS OF ACCUMULATION OF DRY MATTER AND NUTRIENT UPTAKES OF STERILE HYBRID RAPE THE ABNORMALITY OF EMBRYO AND ENDOSPERM DEVELOPMENT IN SPRING WHEAT OF TWINS SEEDLING STUDIES ON CONSERVATION BIOLOGY OF SARUMA HENRYI OLIV. PHARMACOGNOSTICAL STUDY AND DETERMINATION OF COMMON METAL ELEMENTS ON THE ROOTS OF TONGOLOA SILAIFOLIA(DE BOISS)WOLFF THE LOCALIZATIONS OF ADENOSlNE TRIPHOSPHATASE AND ACID PHOSPHATASE ACTIVITIES IN ALBUMINOUS CELLS PINUS BUNGEANA AND THEIR RELATIONS TO SEASONS HISTOLOGICAL STUDIES ON THE MORPHOGENESIS OF THE HYPOCOTYL OF CABBAGE IN TISSUE CULTURES THE ANALYSIS OF COMBINING ABILITY IN WHEAT CULTIVARS FOR QUALITY AND AGRONOMIC CHARACTERS THE VEGETATION OF DA QAIDAM BASIN IN QINGHAI PROVINCE LEAFLET ORIENTATION IN WATER-STRESSED SOYBEANS STUDIES ON MORPHOGENESIS OF ANTHERS IN STRAWBERRY IN VITRO OVULE DEVELOPMENT AND CALLOSE DEPOSITION IN RHEUM PALMATUM MORPHOLOGICAL AND CYTOLOGICAL OBSERVATIONS OF DOUBLE FERTILIZATION IN SETARIA ITALICA THE CHANGES OF NUCLEIC ACIDS AND SOLUBLE PROTEIN DURING SOMATIC EMBRYOGENESIS IN WHEAT EFFECT OF KINETIN ON TUBER ONION LEAF SENESCENCE AND RELATIONSHIP BETWEEN THE EFFECT AND ACTIVATED OXYGEN METERBOLIZM EFFECT OF DIMETHYL SULFOXIDE ON ULTRASTRUCTUES OF ROOT MERISTEMATIC CELLS OF SECALE CEREALE STUDY ON GENUS ZANTHOXYLUM L. FROM GANSU STUDIES ON RELATIONSHIPS AMONG THE GENERA AND PHYLOGENESIS OF THE TRIBE TRITICEAE COMPARISON OF CHEMICAL COMPONENTS OF XIAOYAN WHEAT RAPID INDUCTION OF CAM IN SUDUM SPECTABILE STUDIES ON FORMATION OF FLOWER BUD AND FLOWERING IN VITRO IN PHYSALIS PERUVIAM L. CROSS COMPATIBILITY ANALYSIS OF GOSSYPIUM HIRSUTUM RACE LATIFOLIUM WITH COMMERCIAL VARIETIES 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. DIIVERGENCE OF Ri T-DNA TRANSFORMATS OF CABBAGE AMITOSIS IN THE LEAVES OF NICOTIANA TABACUM L. AND LYCIUM BARBARUM L. DURING TISSUE CULTURE