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Spatial Growth Differences of Planted Populus simonii and Their Ecological Effects on Soil Moisture in Hilly Loess Regions Position Study of the Relations between Vegetation Degeneration and Annual Rainfall in the Sand Region of Minqinxian County Relationship of the Protective Enzymes of Desert Vegetations with Water Table in the Lower Reaches of Tarim River Comparison of Soil Desiccations in Natural and Acacia Forests in the Ziwuling Mountain of the Loess Plateau Biochemical Markers and Microspore Cytochrome Oxidase of the Male Sterile Line of NIAN-type Wheat Micro-satellite Primers Shared by Different Plant Species and Genera Optimization of the Regeneration Protocol of Rosa canina cv.‘Edelcaninas’Meristem Construction of the AFLP Analysis System for Actinidia Genome Chromosomal Positioning of the Genes of Water Use Efficiency and Concerned Physiological Traits in Wheat Leaves Virus-induced Gene Silencing in Tobacco Ultra-structure of the Inclusions of the Vacuoles in the Infected Cells of Onobrychis viciifolia Root Nodules Development of Vascular Bundles in Aloe arborescens Leaves Grading Responses of Clonal Kobresia humilis to Grass Cutting Classification of the Branching Architectures of the Desert Plants in Minqin County Seed Dispersal Patterns of Artemisia halodendron Growing in the Dune-shifting Habitats Preliminary Study of the Mechanisms of Natural Vegetation Regeneration in Arid Desert Regions Diversity of Leguminous Rhizobia in Pamirs Plateau of China Relationships between Flagleaf and Spike Photosynthesis and Drought Tolerance of Wheat Ozone Effects on Chlorophyll Content and Lipid Peroxidation in the in Situ Leaves of Winter Wheat Influence of Low Doses Microwave Radiation on Activities of Antioxidative Enzymes of Isatis indigotica Seedlings Exposed to Enhanced UV-B Radiation Exploration of the Speed-limiting Process for Taxol Biosynthesis Resorting to Quantitative PCR Anatomical Changes of the Leaves of in vitro Euphorbia pulcherrima Seedlings During Their Post-transplantation Domestication Conditions of Dynamic Adsorption in Purifying Cornus officinalis Saposins with Macro- Porous Resins Tissue Culture Technique for Rapid Propagation of Lippia triphylla Adaptabilities of Jujube Varieties of Fresh Use in North Shaanxi Province Identification and Genetic Analysis of the Resistance of the Wheat Germplasm "91(260)3-3-8" to Powdery Mildew Newly-Recorded Ferns in Guangdong Province Analysis and Appraisal of Heavy Metal Pollution of Main Vegetables Production Area in Shaanxi Province Flora of Seed Plants in Jingpohu Lake Nature Reserve Molecular cloning of methionine-metaboly correlated cDNA in Astragalus melilotoides Pall.variant line and its expression in E.coli Research Progresses in Chromosome Doublings of Medicinal Plants Roles of miRNA in Plant Development and Adaptabilities Components of the Essential Oil in Isodon henryi (Hemsl.) Kudo Chemical Components of Volatile Oil in the Leaves of the Chinese Medicinal Herb Pistacia chinensis Bunge 6-BA and PP333 Effects in Shelf-life Improvement of Tulipa gesneriana Cut Flowers Reproductive strategy of grassland plant Advances in studies on the relationships between tree-ring width and climatic factors Biosynthesis,transport and function of ascorbate in plants Rapid propagation of almond‘‘‘‘s rootstock Effect of different human-caused disturbances on above-ground biomass and productivity of Pinus massoniana forests Studies of desalting ability and desalting structure in Karelinia caspica Study of comparative anatomy on structure of seedlings of Acorus tatarinowii and Zantedeschia aethiopica Comparative study on characteristics of leaf structure of Papaver croceum Ldb.(Papaveraceae) in two altitudes habitat at cold regions Breeding strategy of male sterile maize line with thermo-photoperiod sensitivity 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) Effect of water-fertilizer coupling on yield of cantaloupes Effect of osmotic stress on K content of flue-cured tobacco Distribution of NO-3-N of maize rhizosphere in rhizosphere soil under style ofdifferent irrigation Effect of carmine spider mite on enzymes related to active oxygen metabolism in cowpea seedling leaves 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 Study on bitterness embedment and function improvement of Zizyphus to Eucommia ulmoides Study on accumulating rule of primary fatty acids and proteins in flax seeds Polyunsaturated fatty acid separation from the seed kernel oil of Pinus armandi via urea clathration Determination of active constituents in fifteen species Swertia of genus by high performance liquid chromatography Liposoluble constituents of Scrofella chinensis Research progress on relationships betaine and drought/salt resistance of plants Directional selection of techniques applied to vegetation construction Advances in genetic engineering of grapevine Influence of 0.05 g/L 2,4-D on facultative apomixis in Apluda mutica 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 Study on transformation of Nicotiana tabacum with oxalate oxidase gene Evaluation on yield and quality characteristics of alfalfa varieties Effect of soil drought stress on osmotic adjustment ability of maple leaves Effect of soil water stress on water metabolism and osmotic adjustment substance of native tree species of Loess Plateau 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 Cloning and sequence analysis of DHN1 gene from Salvia miltiorrhiza Isolatation of candidate cDNA clones from rice genomic region covering hybrid sterility locus Sc by cDNA capturation Analysis on the factor influencing secondary metabolite accumulation in plants Progress of sex determination in plants 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