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Advances on genetic diversity of cotton (Gossypium) Advances in silicon nutrition of plants Phylogeny of Amborellaceae:a review Origin of flowers:hypotheses and evidence Study on plants containing nervonic acid Effects of vernalization temperature on flower bud differentiation and bolting of Chinese cabbage (Brassica campestris L.ssp.pekinensis) The effects of plant growth regulating substances on pollen germination and tube gowth in Fengshui pear (Pyrus serotina) Study of salt-soluble globulin from black soya (Semen glycine) Expressed of hBMP-3m gene in tobacco A numerical taxonomy of the genus Nitraria from Gansu province,China 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 Research on change of soil properities of Caragana plantation in North-west of Shanxi Province Numerical analysis of interspecific relationships in communities of Larix chinensis in Qinling Mountain A study on interspecific association of principal tree species in the communities including Quercus variabilis on the Qinling and Bashan Mt. 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 Study on N,P fertilization model of Salvia miltiorrhiza in different soil fertility Effects of long-term applying micronutrients fertilization on wheat yield and N and P uptake in dryland of Loess Plateau The effect of continuous cropping year on physiological characteristics of cucumber in sunlight greenhouse Study on plant moisture stress of Sophora viciifolia in the Loess Area North of Shaanxi province