Responses of contents of soil nutrient factors and water to stocking rates for yaks in Kobresia parva alpine meadow Ⅰresponses to contents of soil nutrient factors and water to stocking rates in summer pasture Distribution characteristics of effective root density in the planted Robinia pseudoacacia and Platycladus orientalis forest site Effects of salicylic acid on leaves of cucumber seedlings under water stress Protective of ascorbic acid against salt stress Comparative morphology,ecology and geographical distribution of Calophaca sinica and C.soongorica Effects of pollination on fruit growth and quality of cucumber (Cucumis sativus) Morphological and cytological observations on interspecific hybridization F1 from Cucumis sativus×C.hystrix Correlation analysis between hormone contents in ovule and leaf and fiber traits Comparative studies on fertility restoration performance of 1B/1R and non-1B/1R male sterile wheats with some alloplasmic cytoplasms 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) 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 Revision of Kobresia (Cyperaceae) in Qinghai Direct cloning andsequencing of restricted fragments with cohesive-ends by means of TA cloning