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Observation of almond-apricot growth characteristics in Loess Hilly and Gully Region of northern Shaanxi Composition of high-molecular-weight glutenin subunits of Taigu-male-sterile wheat recurrent selection population Anther culture and plant regeneration of Robinia hispida Tissue culture and plant regeneration of Peganum harmala Screening and characterizing of hydroxyproline-resistant variants in Lycium barbarum and analysis of its salt tolerance The macrosporogenesis and female gamephyte development of Psathyrostachys huashanica Biological effect on the germination and growth of mung bean seeds under low frequency magnetic field Effects of enhanced UV-B radiation on morphology, physiology and allometry of Amaranthus retroflexus Studies on nutritive qualities and processing features of buckwheat flour Space-time distribution pattern of flavonoid content and caloric value in ginkgo leaves in Shaanxi province Study on the character of absorbing water and the germinative condition of Salvia miltiorrhiza Bunge seeds The responses of antioxidant defense system at different developmental stages of spring wheat to gradual drought stress in field Comparison of antioxidative system in Kobresia humilis grown at different altitudes on Qinghai-Tibet Plateau The influence of disturbance on community structure and plant diversity of alpine meadow Studies on tissue culture of Corydalis adunca and contents of alkaloid The role of oxalate in improving phosphorus acquisition and alleviating aluminum toxicity of soybean plants In vitro selection of salt-resistant mutant in Lycopersicon esculentum Relationship between root morphology of wheat (T.aestivum) and survival percentage under repeated drought condition Primary studies on the daily dynamic changes of photo-synthesis and transpiration of Salix psammophila Analysis on effect of high molecular weight glutenin subunits on industrial quality of wheat Cytological characteristic on microsporogenesis and male gametophyte development of (Triticale/Tritileymus) F1 Identification of dwarf variants of wheat by RAPD method and their genetic analysis The analysis on the tropical geographical elements of the seed plant flora in the Qinling Mt. Geographical distribution of Roegneria C. Koch (Poaceae) Effects of cutting on dynamics of tiller and leaves regrowth for perennial ryegrass and its productivity Biomass and its distribution of Chinese-fir treated with aqueous extracts of several tree species after six years Study on simulated vitro digestibility of 2 species sedge family herbage grown at different altitudes in Tibetan Plateau Research on the content of pentosan in some winter wheat varieties in Henan Studies on quality characters of some commercial wheats from northern wheat-growing areas of China Analysis on potentiality of new male sterile types in hybrid wheat Development and anatomy of floral nectary of three species in Swertia L.(Gentianaceae) 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 Volatile comparison of Chinese Medicinal Herb Thymus mongolicus The studies on the flora of seed plants in Tianyuhe River- Valley in Qinling Mountains Study on geographical distrbution characteristic of phytoplankton in the Heihe valley 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 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 Dynamic analysis of the growth during nursery of paulownia clones Identification of wheat-Elytrigia intermedium alien addition line with resistance to powdery mildew by cytology and RAPD analysis Studies on embryogenesis and embryo growth process of the root callus in wheat ( Triticum aestivum L.) 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 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 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 Near-infrared spectroscopy applied in classification of Ferulineae 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 RFLP analysis of mtDNAs among three types of cytoplasmic male sterility and their F_1 hybrids in wheat GENETICAL STUDIES OF GENE EFFECTS OF WHEAT GENOMES ON THE CHARACTERISTICS OF EFFICIENTLY UTILIZING POTENTIAL SOIL PHOSPHORUS 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 Histochemical localization of anthraquinones in rhizome of Rheum officinale Bail Studies on the characteristics of element contents of altifrigetic subnival vegetation at the source area of Urumqi River THE ULTRASTRUCTURALSTUDY ON CELLULARIZATION OF ENDOSPERM IN COIX LACRYMA-JOBI L. 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 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 ON SCUTELLARIA ALASCHANICATSCHERN. Study on chemical constituents of essential oil from Vitex negundo Linn. The study of Rosa rugosa red pigment and its stability Effects of vitamin C on peroxidization of chloroplast membrane lipid from cucumber The primary study on the breedingof Yulan Magnolia Studies on the cell development and its function of microsporangium epiderm in Plantycladus orientalis Developmental anatomy of bisexual floral nectaries in Vitis vinifera Adjustmentof photoassimilate partitioning of Malus pumila M.by flower thinning and its physiological performance Effect of alteration of source-sink relationship on endogenous hormones in cotton leaves Effectof sucrose concentrations with or without SA onformation and growth of In vitro microtuber in potato