Study on simulated vitro digestibility of 2 species sedge family herbage grown at different altitudes in Tibetan Plateau The analysis to dried soil layer of artificial Robinnia pseudoscacia forestry land in the Yanan Experimental Area A research on the photosynthetic characteristics of Pyrus bretschneideri(CV.jinfeng and pingguoli) and strimson Study ABA sensitivity of seeds during development of Castanopsis hystrix and Castanopsis sclerophylla Effects of seed dressing in plant nutrient on the senescence of roots after anthesis and yield in dry land wheat on high yield The studies on the flora of seed plants in Tianyuhe River- Valley in Qinling Mountains Studies on flora diversity of the seed plants in Heng Mountain nature reseave,Shanxi A mathematical model on procedure of some physiology and biochemical during aging of Chinese Fir seed Water requirement law study of grape on sandy land Soil water regime of Tamarix ramosissima sandbreak in the desert region Regulation of plant growth regulator on leaves senescence and yield constitutions of wheat Studies on ecological properties of altifrigetic subnivalvegetation at the source area of Urumqi river Studies on Young Spike Differentiation of Wheat and Heterosis of Winter Hardinesss Evaluation of lodging resistance and relation and pathanalysis of lodging resistance traits in wheat Studies on the induction of embryoid from unpollinated ovaries of Nicotiana tabacum L. Studies on embryogenesis and embryo growth process of the root callus in wheat ( Triticum aestivum L.) Production of transgenic millet plants via particle bombardment Expression analysis of DnaJ-like protein gene from bean under various environment stresses The response of different crops to drying wetting cycle in field In vitro selection of salt and PEG tolerant flaxi lines from the progeny of flown seeds 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 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 Effects of the artificial low temperature on the dormant buds and shoots of Dangshan pear in the central part of Yunnan Effects of supplementary radiation of UV-B and red light on fruit quality of tomato in winter plastic greenhouse Effect of different factors on transformation of Alhagi pseudalhagi by Agrobacterium rhizogenes Oxidative damage and antioxidant responses during drought-induced winter wheat flag leaf senescence Effects of soil moisture and short-term shade on photo-synthetic and stomatal response in cotton leaves Studies on the fertility of original cross and reciprocal cross between T.aestivum and Ae.tauschii Correlation analysis between induction of maize parthenogenesis haploid in vivo and intersperm nucleus distances in pollen tubes germinating in vitro of male parent Effects of elevated atmospheric CO_2 concentrations on growth of plants Near-infrared spectroscopy applied in classification of Ferulineae Study on characteristics of photosynthetic membranes in Yangmai No.5 (T.aestivum L.) flag leaves during photosynthetic functional decline process Characteristics of flag leaf senescence and activated oxygen metabolism for cold type wheat Study on selection methods and criteria of Pinus tabulaeformis in Shaanxi Effect of close-relative single crosses on flowering coordination during seed corn production STUDIES ON THESTRUCTURE,AFTERRIPENING AND CYTOCHEMISTRY OF SEEDS IN ELEUTHEROCOCCUS SENTICOSUS The floristic characteristics in the source area of Changjiang (Yangtze) River Studies on the characteristics of element contents of altifrigetic subnival vegetation at the source area of Urumqi River HISTOCHEMISTRY OF SINOMONINE IN THE STEM OF SINOMENIUM ACUTUM AND SINOMENIUM ACUTUM VAR. CINEREUM HISTOCHEMISTRY ANDCYTOCHEMISTRY OF RESIN-CONTAINING CELL IN PINUS TABULAEFORMIS THE ULTRASTRUCTURALSTUDY ON CELLULARIZATION OF ENDOSPERM IN COIX LACRYMA-JOBI L. ANATOMICAL STUDIESON THE DEVELOPMENT OFOIL CELLS IN LITSEA PUNGENS THE ULTRASTRUCTURAL OBSERVATION OF WHEAT SALT TOLERANCE CELL LINES OF CALLI EMBRYOLOGY OFSWERTIA ERYTHROSTICTA MAXIM. CRYOPRESERVATION OFAPRICOT CALLI ON SCUTELLARIA ALASCHANICATSCHERN. EFFECT OF GA 3 ON COLOUR CHANGE OF APRICOT FRUIT AFTER HARVEST The study of Rosa rugosa red pigment and its stability Study on predicition method of cone crop in seed orchard of Pinus tabulaeformis Studies of chilling requirements during rest period in apricot cultirars 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 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 Developmental anatomy of bisexual floral nectaries in Vitis vinifera 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 Effect of alteration of source-sink relationship on endogenous hormones in cotton leaves Studieson the relation between secretory structures and itssecontary product in Hypericum sampsonii Cryo-electron microscopy and its application in studies of plant (animal) materials STUDIES ON ULTRASTRUCTURE OF ACHENE EPIDERMIS AND ITS TAXONOMIC IMPLICATIONS TO CAREX (CYPERACEAE) NITROGEN FIXING ROOT NODULES AND ITS FRANKIA ENDOPHYTE OF HIPPOPHAE RHAMNOIDES L. 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. 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 A COMPARATIVE ANATOMY OF DIFFERENT POPULATIONS ON APOCYNUM VENETUM AND POACYNUM HENDERSONII THE STRUCTURE AND DEVELOPMENT OF NECTARY IN ASTRAGALUS SINICUS 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. EFFECTS OF NaCl ON PR0TEIN AND CONTENT OF FREE AMINO ACIDS IN ROOTS OF BARLEY