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Preliminary study on B-chromosomes of Lilium davidii var.unicolor 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 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 Microscopical observation of VAM to several garden lawn plants 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 Research progress in the beneficial elements-silicon for plants A progress in pharmacological research of flavonoids A survey of study of chemical components of medicinal plants of Gentianaceae 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 cytology of11 Astragalus species from Northwestern China 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 Gene expression analysis of ubiquitin from bean under biotic and abiotic stress 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 Study on the numericaltaxonomy of genus Calligonum from China Studies on fertility restoration of male sterile lines of wheat with Ae.bicornis cytoplasm Detection on evolvement and present situation of genetic diversity of spring wheat cultivars planted in Gansu and Qinghai Provinces using quantitative characters Tobacco (Nicotiana tabacum) transformation of human bone morphogenetic proteins-3 mature peptide (hBMP-3m) mediated by Agrobacterium tumefaciens Cloning and sequencing of PGIP cDNA from Prunus mahaleb RFLP analysis of mtDNA between two types of cytoplasmic male sterility and theirassociated lines in rice Research on quality,disease resistance and molecular cytogenetics of Triticum aestivum-Haynaldia villosa amphidiploids with different wheat genetic background Studies on heterosis of vernal hybrid F_1 of male sterile lines of Ven & K Typeal wheat and their relationship with chlorophyll content and zymogram of isoenzyme Studies on flower bud differentiation and changes of endogenous hormones of Gossypium hirsutum Effect of water stress on mesophyll cells and the number of stomata of spring wheat growing in semi arid region Study on the vegetative storage proteins in temperate hardwoods of fifteen families The characteristic of nitrogen and phosphorus absorption by winter wheat in dryland Studies on physiological index of some halophytes A research on the photosynthetic characteristics of Jinguan,Molios and Strimoson apple (Malus pumila Mill.) Progresson gene-for-gene recognition in plant-pathogen interaction system 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 Distribution of Na~+ and K~+ in cotton plant under NaCl stress and salt tolerance H~+ leakage through CF_0 decreases the coupling degree of thylakoids from cucumber leaves exposed to low light at low temperature 多子房性状应用于杂种小麦的研究Ⅰ.多子房性状基因和细胞质效应 Study onsome paramaeters of photosynthetic and qualityin selection of ear-brached wheat A study on rules of spatiao-temporal change and water use efficiency of corn Theresponse of endogenous ABA and enzymes activity ofscavenging free radical of wheat seedling to water stress Cyanide-resistantalternative pathway was involved in the compatibleinteraction between potato tuber (Salonum tuberosum L.) and softrot bacteria (Erwinia carotovora pv.Carotovora) Thechanges of the HMW glutenin subunits of introducingsorghum DNA into spring wheat Transport and Partitioning of Photoassimilate in Higher Plant A karyomorphological study on 5 species of Swertia (Gentianaceae) Application of fuzzy cluster analysis to the taxonomy of Chinese Umbelliferae,Angelicinae A preliminary study on the family Orthotrichaceae from Xinjiang,China A floristic analysis of the seed plants in Chang qing National Reserve Malesterility induced by pyridazine compound 9403 in wheat Analysisof the potential causes effecting the grainweight of hybrid wheat with Ae.kotschyi cytoplasm The cytogenetical studies of fertility restoration of male sterile wheat with Aegilops kotschyi cytoplasm Transfer of the powdery mildew resistant gene from T.dicoccoides into T.aestivum and its RAPD analysis Thetransmission characteristics of E chromosome in VE161 wheat Thevariation of male fertility of wheat nuclear substitutionallines in Ae.crassa cytoplasm in the regions with differentphoto-thermo condition in China Studies on inducing parthenogenesis of some male sterile lines of alloplasmic 1BL/1RS wheat DEVELOPMENT OF OVULE AND FEMALE GAMETOPHYTE IN CARTHAMUS TINCTORIUS L. IMMUNOHISTOCHEMICAL LOCALIZATION OF HSC70 IN DEVELOPING FLOWER OF BRASSIA CHINESIS THE EFFECTS OF ELERATED CO_2 ON THE ULTRASTRUCTURE OF CHLOROPLAST OF THREE GRAMINOID PLANTS THE INVESTIGATION OF INCREASING WHEAT NULLISOMIC FERTILITY USED THE ENHANCING FERTILITY GENES ON MICROCHROMOSOMES STUDY ON THE QUALITY PROPERTIES OF GOOD QUALITY WHEAT VARIETIES IN GUANZHONG SHAANXI INITIAL STUDYS OF RELATIONSHIP BETWEEN THE APPEARANCE OF INDUCED-PROTEIN AND SOME PHYSIOLOGICAL CHARACTERS OF WHEAT SEEDLING IN WATER STRESS EFFECT OF PP_(333) ON SEEDLING QUALITY AND CHILLING RESISTANCE OF CUCUMBER EFFECTS OF WATER STRESS ON THYLAKOID MEMBRANE COMPONENTS IN ZEA MAYS L ABNORMALITY AND DEVELOPMENT OF ANTHER IN RHEUM PALMATUM L RAPD VERIFICATION OF RUST RESISTANT WHEAT VARIANTS