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Soil water regime of Tamarix ramosissima sandbreak in the desert region Studies on ecological properties of altifrigetic subnivalvegetation at the source area of Urumqi river Evaluation of lodging resistance and relation and pathanalysis of lodging resistance traits in wheat Studies on therelationship between grain sink activity ofJaponica/Indica hybrid rice and its grain filling 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 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 vegetative reproduction pattern of Kingdonia uniflora Systematicstudies on some questions oftamaricaceaebased on ITS sequence Acytological study of Astragalus dshimensis Gontsh.and A.hoantchy Franch.with a taxonomic revision Effectof IAA on soybean seedling Effects of soil moisture and short-term shade on photo-synthetic and stomatal response in cotton leaves Characters of leaf epidermis in Swertia L. 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 Correlation analysis between induction of maize parthenogenesis haploid in vivo and intersperm nucleus distances in pollen tubes germinating in vitro of male parent Near-infrared spectroscopy applied in classification of Ferulineae Study on selection methods and criteria of Pinus tabulaeformis in Shaanxi Characters of endosperm cells in the seeds of some species of Roegneria and their taxonomic significance HISTOCHEMISTRY ANDCYTOCHEMISTRY OF RESIN-CONTAINING CELL IN PINUS TABULAEFORMIS EMBRYOLOGY OFSWERTIA ERYTHROSTICTA MAXIM. Genotypic variations for nitrogen use efficiency in winter wheat I.Effects of N uptake and utilization efficiency on grain yields 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 the relationof NRA and nitrogen accumulationin leaves of different protein content wheats Discussing issues about establishing vegetation on Loess Plateau according to the law of community Studies on the cell development and its function of microsporangium epiderm in Plantycladus orientalis Developmental anatomy of bisexual floral nectaries in Vitis vinifera The preliminary study on the seed plant flora of the natural sharptooth oak forest communities in Qinling Mountain Effectof sucrose concentrations with or without SA onformation and growth of In vitro microtuber in potato STUDIES ON ULTRASTRUCTURE OF ACHENE EPIDERMIS AND ITS TAXONOMIC IMPLICATIONS TO CAREX (CYPERACEAE) STUDIES ON THE DEVELOPMENT OF THE FLORAL NECTARIES OF NYMPHOIDES PELTATUM (GMEL.) O.KUNTZ THE STUDY ON DEVELOPMENTAL ANATOMY OF THE FLORAL NECTARY IN CORIANDRUM SATIVUM L. BREEDING AND CYTOGENETIC STUDY OF TRITICUM AESTIVUM-PSATHYROSTACHYS HUASHANICA ALIEN SUBSTITUTION LINES THE STRUCTURE AND DEVELOPMENT OF NECTARY IN ASTRAGALUS SINICUS PROVENANCE TEST OF THE GROWTH OF NITRARIA TANGUTORUM 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 AN PRIMARY INVESTIGATION ON LICHENS SLOPE OF QINLING MOUNTAINS FROM THE SOUTHERN 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 STUDY ON ROTATION AND WATER PRODUCTIVE EFFICIENCY ANATOMIC STUDIES OF THE FLORAL NECTARIES INELSHOLTZIA DENSA BENTH STUDY ON THE EFFECT OF DIFFERENT SOIL WATER CONTENTAND SOIL FERTILITY CONDITIONS ON THE.PHOTOSYNIHETICCONDVCTANCE AND YIELD OF SPRING CORN INVOLVEMENT OF CALCIUM AND CALMODULIN IN THE REGULATION OF DEOUGHT RESISTANCE IN ZEA MAYS 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 DEVELOPMENTAL MORPHOLOGY ON THE TRICHOMES OF THE LEAVESIN DENDRANTHEMA ZAZWADSKII(HERD.)TZVEL. STUDIES ON SOMATIC EMBRYOGENESIS FROM CELL SUSPENSIONCULTURE OF LOBLOLLY PINE EFFECTS OF NITROGEN ON THE DYNAMIC CHANGE OF NITRATE REDUCTASE ACTIVITY AND GRAIN PROTEIN CONTENT OF WHEAT 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 STUDIES ON POPULATION STRUCTURE OF PAEONIA SUFFRUTICOSA ANDR,VAR.SPONTANEA REHD. TAXONOMIC NOTES ON ASTRAGALUS FROM QINLING MOUNTAINS 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 THE TRANSFER OF SEGMENT OF CHROMOSOME FROM BLUE-GRAINED WHEAT TO STERILE TAIGU WHEAT THE LOCALIZATIONS OF ADENOSlNE TRIPHOSPHATASE AND ACID PHOSPHATASE ACTIVITIES IN ALBUMINOUS CELLS PINUS BUNGEANA AND THEIR RELATIONS TO SEASONS THE VEGETATION OF DA QAIDAM BASIN IN QINGHAI PROVINCE APPROACH TO GROWTH AND PHYSIOLOGICAL CHARACTERS IN OCTAPLOID PANICUM MILIACEUM L. LEAFLET ORIENTATION IN WATER-STRESSED SOYBEANS MORPHOLOGICAL AND CYTOLOGICAL OBSERVATIONS OF DOUBLE FERTILIZATION IN SETARIA ITALICA 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 DEVELOPMENTAL ANATOMY OF THE FLOWER IN CORNUS OFFICINALIS AMITOSIS IN THE LEAVES OF NICOTIANA TABACUM L. AND LYCIUM BARBARUM L. DURING TISSUE CULTURE ISOLATION, CULTURE AND CALLUS FORMATION OF MESOPHYLL CELL PROTOPLASTS OF Pisum satium L. DURING THE BEGINNING OF THE LIGHT PERIOD PATHWAY OF CO_2 FIXATION IN THE CAM PLANT STUDY ON CONSTITUENTS OF POLLEN OF Zea mays L. ELECTRON MICROSCOPE OBSERVATION ON PILEUS OF Morchella esculenta(L.) Pers. STUDIES OF THE ABORTIVE SEED AND ITS CONSTITUENTS IN Cunninghamia lanceolata (Lamb.) Hook. Frequency of resistance to Bacillus thuringiensis toxin Cry1Ac in Xinjiang field population of Helicoverpa armigera Phenotypic structure of Phytophthora capsici populations on pepper in Fujian, China The application of SYBR GreenⅠ real-time quantitative RT-PCR in quantitative analysis of sweet cherry viruses in different tissues Identification method and resistance evaluation of Fusarium head blight in barley Resistance identification of the rice varieties in southeastern China to rice stripe disease