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Morphological and cytological observations on interspecific hybridization F1 from Cucumis sativus×C.hystrix Cytological observations on male sterile anther and pollen developments induced by chemical hybridizing agent GENESIS in wheat Characteristic in photosynthesis,transpiration and water use efficiency of Haloxylon ammodendron and Calligonum mongolicum of desert species The combined effects of enhanced UV-B radiation and CO2 on the growth and photosynthesis of broad bean seedling 两种生态型芦苇胚性悬浮培养物对渗透胁迫的响应Ⅰ、生长及渗透调节物质的变化 Advances on genetic diversity of cotton (Gossypium) Study on plants containing nervonic acid Effects of vernalization temperature on flower bud differentiation and bolting of Chinese cabbage (Brassica campestris L.ssp.pekinensis) Study of salt-soluble globulin from black soya (Semen glycine) Expressed of hBMP-3m gene in tobacco Studies on genetic diversity of Scutellaria tsinyunensis of endemic species from Mt.Jinyun of Chongqing Identification of a RAPD marker linked to a petal-controlled gene in Brassica napus RAPD analysis of CMS line and its maintainer line in Chinese Cabbage (Brassica campestris ssp.pekinensis) Primary study on vegetation succession of saline land in the bird island of Qinghai Lake The comparative studies on biochemical and physiological properties of Speeded-growth poplar and Lombardy poplar Sifting the multiplying medium of Rose rugosa stem by crossed experiment Calli induction from in vitro culture of tender stem segments in Ginkgo biloba and study on its cytology Comparison on extraction methods of Ziziphus jujuba and Ziziphus acidojujuba DNA for RAPD analysis DNA extraction on three different materials of Larix chinensis Flavonoid glycosidesfrom Galeopsis bifida Chemical constituents of Veronica ciliate,as a psychrophyte from Northwest China Change of soil organic matter and water holding ability during vegetation succession in Ziwuling region A floristic study on seed plants in the upper reaches of Minjiang river Direct cloning andsequencing of restricted fragments with cohesive-ends by means of TA cloning The interaction of NCS with phytohormones Studies on the characteristics of Caragana root development and some relevant physiology Studits on the morphogenesis of rhizome from seedling and the accumulation of dioscin of Dioscorea zingiberensis Comparative and the correlative studies on the structure and the content of anthraquinones in 3 Aloe leaves Effect on plant and human cells under low frequency magnetic field Adaptation strategies of seed dormancy and germination of Psammochloa villosa , a sand dune grass inhabiting Ordos Plateau, China Advances in Sargentodoxa Vascular developmentin the transition region of dicotyledonary epigeal seedlings Evapotranspiration measurements of community using weighting method Effects of long-term applying micronutrients fertilization on wheat yield and N and P uptake in dryland of Loess Plateau Study on soils water storage capacity and availability in secondary vegetation types in Ziwuling forest region Changes of soil C,N and soil water under conversion of cropland into grassland Effect of soil drought stress on the shoot growth and water use efficiency of Quercus liaotungensis and Acer stenolobum var.megalophyllum Detection on evolvement and present situation of genetic diversity of spring wheat cultivars planted in Gansu and Qinghai Provinces by SSR markers Study on genetic diversity of Oryza rufipogon Griff. by simple seqence repeat Cloning of potato polyphenol oxidase gene and constructing of antisense PPO expression vector Identification of the additional glutenin subunits gene loci of T.aestivum-Th.intermedium alien addition lines TAI series with biochemical and molecular biological methods Sustainable utilization of grassland resources in west segment of Qilian Mountains and Jiuquan Basin Evaluation and analysis about ecosystem health of artificial plants in Shapotou aera Characteristics of the soil seed bank and the seedling bank in fenced sandy meadow Effects of water extracts from ten plants of Compositae against wheat Seedling Effects of salicylic acid (SA) on high-temperature stress resistance of cucumber seedling Preliminary study on B-chromosomes of Lilium davidii var.unicolor Study on Zoysia seed germination characteristic and dormancy types RAPD analysis of population genetic diversity of Taxus mairei Study on essential oil of Qinwei rose Study on fingerprint analysis and bioactive functions of Eucommia ulmoides flavonoids Study on cold acclimation and freezing-tolerance mechanism of Aucuba japonica cv. Variegata Study on restoration strategies, characteristics and status of degenerated artificial Haloxylon ammodendron communities at the edge of Minqin oasis Species composition and distribution of algae in Wuquanshan of Lanzhou Study on phenotypic feature diversity of rhizobia isolated from Robinia pseudoacacia 太白红杉种群的生殖对策研究Ⅱ．生殖力和生殖值 Study on niche of dominant species of subalpine scrubland and meadow community in Guandi Mountains Observation on pollen and leaf epidermis of Amphicarpaea edgeworthii by SEM A study on bryophyte associated with formation of soil crust in south fringe of Gurbantunggut Desert in Xinjiang The clonal growing characteristic in the stoloniferous herb,Potentilla anserina The vegetation development in North Ziwulin forest region in last fifty years A progress in pharmacological research of flavonoids A survey of study of chemical components of medicinal plants of Gentianaceae Microsatellite DNA marker and its application in genetic diversity research Recent advances in natural insecticidal constituents from plant origin The roles of root exudation on rhizosphere nutrient and rhizosphere microorganisms Recent approach of functional proteins in plant PM under drought stress Research advances about effects of enhanced UV-B radiation on plants and ecosystems Effect of triadimefon on membrane system in detached cucumber cotyledons Cytoskeleton inplasmodesmata and cytoplasmic channels of onion pollen mother cells Studies on the cultivation and morphological and cytological identification of wheat-Elytrigia intermedium alien disomic addition lines Cytochemistry of peroxidase in the interaction between wheat and stripe rust Genetic variability analysis of the halophilic species in Dunaliella by RAPD Isolation and characterization of reactive oxygen species-insensitive mutants in Arabidopsis thaliana Studies on the pteridophyte flora of Qiyun mountainous region in Anhui Province Study of the plant community round discharging coal-dust field in Shentou second power plant The vegetative characteristics and ecotone effect of Zhifanggou watershed in Loess Hilly Region A study on the biological and ecological property and geographical distribution of Quercus variabilis population RAPD analysis in 12species of Allium Detection on evolvement and present situation of genetic diversity of spring wheat cultivars planted in Gansu and Qinghai Provinces using quantitative characters