Study on the polypeptide composition and content of LHCⅡ and the cab gene transcription in chlorophyll-reduced mutant of oilseed rape seedlings Floral ontogeny of Rivina humilis (Phytolaccaceae) Etiology of Phialophora new pathogenic species from wheat roots in Northwestern China Two new caffeic esters and other compounds from Ceratoides latens On endemic genera to China of spermatophytic flora from Mt.Wulingshan region Tisssue culture and plant regeneration of rare plant Gymnocarpos przewalskii Establishment of regeneration system of bulb from Lilium brownii Polyunsaturated fatty acid separation from the seed kernel oil of Pinus armandi via urea clathration Advances in genetic engineering of grapevine HPLC chromatographic fingerprints of Rhodiola rosea in the Qingzang Plateau Recovery of cucumber (Cucumis sativus L.) haploid plants through pollination by irradiated pollens and embryo culture Studies on tissue culture technique of Rheum tanguticum Study on transformation of Nicotiana tabacum with oxalate oxidase gene Evaluation on yield and quality characteristics of alfalfa varieties Effect of temperature on growth and artemisinin biosynthesis in hairy root cultures of Artemisia annua Effects of soil water stress on contents of chlorophyll,soluble sugar,starch,C/N of two desert plants (Cynanchum komarovii and Glycyrrhiza uralensis) Physiological and ecological effects of enhanced UV-B radiation on wheat seedling under NaCl stress condition Identification of seed purity of hybrids Shaanyou No.8 with RAPD in Brassica napus Studies on stomatal length,width,density and their correlation of 3rd leaf in rice with BADH cDNA Isolatation of candidate cDNA clones from rice genomic region covering hybrid sterility locus Sc by cDNA capturation Progress in genetics of Triticum urartu Advance of sulphate transporters of plant 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 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) Comparative studies on fertility restoration performance of 1B/1R and non-1B/1R male sterile wheats with some alloplasmic cytoplasms 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 A numerical taxonomy of the genus Nitraria from Gansu province,China 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 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 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 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 Comparative and the correlative studies on the structure and the content of anthraquinones in 3 Aloe leaves Adaptation strategies of seed dormancy and germination of Psammochloa villosa , a sand dune grass inhabiting Ordos Plateau, China Vascular developmentin the transition region of dicotyledonary epigeal seedlings Evapotranspiration measurements of community using weighting method 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 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 Nitrate distribution characteristics in soil at fertilization on cucumber at sunlight greenhouse in Loess Plateau Sustainable utilization of grassland resources in west segment of Qilian Mountains and Jiuquan Basin 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 Effects of various practice measures agronomic and quality characters of winter wheat "Henong 341" RAPD analysis of population genetic diversity of Taxus mairei 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 太白红杉种群的生殖对策研究Ⅱ.生殖力和生殖值 Microscopical observation of VAM to several garden lawn plants The clonal growing characteristic in the stoloniferous herb,Potentilla anserina A survey of study of chemical components of medicinal plants of Gentianaceae Research advances about effects of enhanced UV-B radiation on plants and ecosystems Effect of triadimefon on membrane system in detached cucumber cotyledons Studies on cytology of11 Astragalus species from Northwestern China 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 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 Study on the numericaltaxonomy of genus Calligonum from China Studies on fertility restoration of male sterile lines of wheat with Ae.bicornis cytoplasm Study on the vegetative storage proteins in temperate hardwoods of fifteen families Studies on physiological index of some halophytes A research on the photosynthetic characteristics of Jinguan,Molios and Strimoson apple (Malus pumila Mill.) Mechanismfor differentiation and dedifferentiation of xylem cells 干旱沙区46种木本植物的物候研究——以民勤沙生植物园栽培植物为例 The primary studies on the macroscopically characte-ristics variation pattern of leaves of Kingdonia uniflora Distribution of Na~+ and K~+ in cotton plant under NaCl stress and salt tolerance