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The Optimization of the SSR Reaction System for Venturia inaequalis Acquisition of Transgenic Colour Cotton with a Trivalent Insect-resistant Gene QTL mapping for polygenic resistance and its application in crop breeding for durable disease resistance Morphogenesis of plant cell Floristic analysis of seed plants in Ziwuling Forest Region Study on dynamics model of age structure of Quercus variabilis in different region in Shaanxi Analysis of AHP strategic decision for grazing management system and ecological restoration in the alpine wetland at Gannan in Gansu Biochemical changes in anthers of "Dong A" genetic male sterile lines of cotton Study on a novel HMW glutenin subunit coding region from Agropyron elongatum Effects on some physiological characters of seedling and germination of radish seeds after treated with Hg2+ Observation of almond-apricot growth characteristics in Loess Hilly and Gully Region of northern Shaanxi Study on doubled CO2 concentration reduce the inhibition of enhanced UV-B radiation on tomato in plastic greenhouse Expression of Chlamydomonas reinhardtii chloroplast division gene CrFtsZ1 in E.coli Tissue culture of chinese wild grape Anther culture and plant regeneration of Robinia hispida Thidiazuron induced physiological and biochemical changes in the process of dedifferentiation of Fritillaria ussuriensis 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 Effects of water and nitrogen application on photosynthetic characteristics and yield of winter wheat in the late growing and developing period Comparison of antioxidative system in Kobresia humilis grown at different altitudes on Qinghai-Tibet Plateau A preliminary study on community characteristics of Pinus tabulaeformis f. shekannesis on Loess 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 Effect of soil drought on the growth and water use efficiency of seabuckthorn The effect of soil and air temperature on photosynthesis and transpiration of Primula sinopurpurea Primary studies on the daily dynamic changes of photo-synthesis and transpiration of Salix psammophila 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 Analysis of fatty acids insitodiplosis Mosellana (Gehin) by gas chromatograph Geographical distribution of Roegneria C. Koch (Poaceae) Biomass and its distribution of Chinese-fir treated with aqueous extracts of several tree species after six years The biochemical mechanism study on improvement of PP_(333) on the cold resistance of the rice seedlings On flowering characters and structural changes of lodicule during the flowering in wheat Study on simulated vitro digestibility of 2 species sedge family herbage grown at different altitudes in Tibetan Plateau Analysis on potentiality of new male sterile types in hybrid wheat 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 Effect of irrigation on photosynthesis decline of wheat leaf during senescence Volatile comparison of Chinese Medicinal Herb Thymus mongolicus 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 Soil water regime of Tamarix ramosissima sandbreak in the desert region 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 Dynamic analysis of the growth during nursery of paulownia clones Studies on the induction of embryoid from unpollinated ovaries of Nicotiana tabacum L. Vascular development in the segment grafts of Cucurbita in Vitro The research of soluble proteins and isozymes in radish during storage period In vitro selection of salt and PEG tolerant flaxi lines from the progeny of flown seeds Studies on the endemism in the flora of Shandong province 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 Acytological study of Astragalus dshimensis Gontsh.and A.hoantchy Franch.with a taxonomic revision Effectof IAA on soybean seedling Studies on abscisic acid (ABA) change of grape during storage Effects of soil moisture and short-term shade on photo-synthetic and stomatal response in cotton leaves Characters of leaf epidermis in Swertia L. 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 mechanism of high yield of salt-tolerant wheat with the plastic film mulching cultivation in saline soils Study on selection methods and criteria of Pinus tabulaeformis in Shaanxi STUDIES ON THESTRUCTURE,AFTERRIPENING AND CYTOCHEMISTRY OF SEEDS IN ELEUTHEROCOCCUS SENTICOSUS 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 HISTOCHEMISTRY OF SINOMONINE IN THE STEM OF SINOMENIUM ACUTUM AND SINOMENIUM ACUTUM VAR. CINEREUM HISTOCHEMISTRY ANDCYTOCHEMISTRY OF RESIN-CONTAINING CELL IN PINUS TABULAEFORMIS ANATOMICAL STUDIESON THE DEVELOPMENT OFOIL CELLS IN LITSEA PUNGENS 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 predicition method of cone crop in seed orchard of Pinus tabulaeformis The characteristics of the woody plants flora in Bailongjiang Watershed Studies on the cell development and its function of microsporangium epiderm in Plantycladus orientalis Developmental anatomy of bisexual floral nectaries in Vitis vinifera Research on high efficient plantlet regeneration of Benincasa hispida (Thunb.) Cogn. Studieson the relation between secretory structures and itssecontary product in Hypericum sampsonii