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Studies on embryogenesis and embryo growth process of the root callus in wheat ( Triticum aestivum L.) 紫外线-B辐射与3种植物幼苗的光合作用——光合作用对紫外线-B敏感性的比较 The latest development about regulation and controling of fruit ripening gene Studies on the aquatic vascular plant communities and ecological characteristics in Heihe valley Appraisal on the influence upon the Jiu Dian Xia key water control project of the taohe river to plants and vegetation in reservoid region Studies on individual sexual reproductive process of Juglans mandshurica Studies on vegetative reproduction pattern of Kingdonia uniflora Acytological study of Astragalus dshimensis Gontsh.and A.hoantchy Franch.with a taxonomic revision Effectof IAA on soybean seedling Effect of different factors on transformation of Alhagi pseudalhagi by Agrobacterium rhizogenes 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 Correlation analysis between induction of maize parthenogenesis haploid in vivo and intersperm nucleus distances in pollen tubes germinating in vitro of male parent Study on mechanism of high yield of salt-tolerant wheat with the plastic film mulching cultivation in saline soils Study on characteristics of photosynthetic membranes in Yangmai No.5 (T.aestivum L.) flag leaves during photosynthetic functional decline process Study on selection methods and criteria of Pinus tabulaeformis in Shaanxi Effect of close-relative single crosses on flowering coordination during seed corn production Comparision and analysis of a new variety of hop with others origin of Xinjiang The floristic characteristics in the source area of Changjiang (Yangtze) River 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. CRYOPRESERVATION OFAPRICOT CALLI Genotypic variations for nitrogen use efficiency in winter wheat I.Effects of N uptake and utilization efficiency on grain yields ON SCUTELLARIA ALASCHANICATSCHERN. The study of Rosa rugosa red pigment and its stability Study on predicition method of cone crop in seed orchard of Pinus tabulaeformis 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 Study on the ethylenerelease and the membrantlipid peroxida-tion in the different development stage of lilium flower 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 Dynamic optimization research on weight increment in winter wheat grain dry matter Effect of alteration of source-sink relationship on endogenous hormones in cotton leaves 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 STUDY ON CORRELATE SELECTION OF SUPERIOR PAULOWNIA CLONES IMMUNO CYTOCHEMICAL LOCALIZATION OF ACTIN IN NUCLEAR MATRIX AND CHROMOSOME SCAFFOLD OF BARLEY A ANALYSIS ON THE FLORA AND GEOGRAPHY OF GYMNOSPERM FROM GANSU PROVINCE GENETIC ANALYSES AND INDEX SELECTION OF THE QUANTITATIVE CHARACTERS OF PAULOWNIA CLONES BREEDING AND CYTOGENETIC STUDY OF TRITICUM AESTIVUM-PSATHYROSTACHYS HUASHANICA ALIEN SUBSTITUTION LINES 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 A STUDY ON TECHNIQUE ABOUT TURNING WILD THALICTRUM BAICALENSE TURCZ. INTO DOMESTIC ONE COMPARING STUDIES ON THE COMPONENTS OF GLYCYRRHIZIN IN FIVE KINDS OF GLYCYRRHIZA UNDER THE SAME CONDITIONS ULTRASTRUCTURAL AND CYTOCHEMICAL LOCALIZATION OF ATPase ACTIVITY STUDIES OF EMBRYONIC CELL DIFFERENTIATION IN LYCIUM BARBARUM L STUDIES ON THE WILD ECONOMIC PLANT RESOURCES AND ITS UTILIZATION IN GANSUHEXI 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 STUDIES OF KARYOTYPE AND EVOLUTION OF SIX SPECIES IN GENUS PEDICULARIS LINN. (SCROPHULARIACEAE) STUDY ON ROTATION AND WATER PRODUCTIVE EFFICIENCY OBSERVATION OF THREE VIRUSES DISEASE OF THE CEREAL BY ELECTRON MICROSCOPE EFFECTS OF SPECIFIC ELECTROMAGNETIC WAVE RADIATION ON THE COMPOSITION OF MEMBRANE LIPID ACIDSIN THE LEAVES OF WHEAT SEEDLINGS DEVELOPMENT ANATOMY OF STALAR DIVISIONIN CENTIANA MACROPHYLLA STUDIES ON THE MORPHOLOGY AND THE ULTRASTRUCTURE OF THEMATURE FLORAL NECTARY OF NYMPHOIDES PELTATUM (GMEL) O. KUNTZ DURING THE NECTAR SECRETARY PERIOD THE STUDIES ON TISSUE CULTURE AND THE PROCEDUE OF RAPID PROPAGATIONOF INDUSTRIALIZATION IN STRELITZIA REGINAE 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 STUDIES ON TECHNIQUES OF MINIATURE PROPAGATION IN WILD JUJUBE EFFECTS OF ULTRAVIOLET RADIATION ON THE DEGRADATION OF WHEAT LEAF CHLOROPHYLL UNDER DIFFERENT CONDITIONS THE RELATIONSHIP BETWEEN SENESCENCE AND MEMBRANE LIPID PEROXIDATION IN CUT TULIPS DURING VASE-HOLDING LIFE 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 INTRODUCTION AND DOMESTICATION OF IRIS ON PROPAGATION AND PROMOTING FLOWERS OF YULAN MAGNOLIA 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 DEVELOPMENT ANATOMY OF STALAR DIVISION IN GENTIANA STRAMINEA ROOT 新疆干旱区陆生固氮蓝藻—眼点伪枝藻的培养