Nitric Oxide Biosynthesis Pathway in Plant Molecular Mechanism of Chlamydomonas Mating Effects of Water Extract of Two Weeds on Seed Germination and Seedling Growth of Different Wheat Varieties Accumulation Characteristics of Two Ecotypes Sonchus asper (L.) Hill. To Cd Centrifugation Purification and Protoplasts Electrofusion of Reynoutria japonica Ultrastructure of Tissues Accumulating Gypenosides in Vegetative Organs of Gynostemma pentaphyllum In Vitro Effect of Stylar S-RNase of Pear on the Calmodulin Localization of Pollen Tube Genetic Effects and Environmental Interactions of Early Maturity in Short-season Cotton Effects of Different Types of Aegilops Cytoplasm on Protein Contents and Components in Wheat Kernels Cloning Strategy of Barnase Gene (Extracelluar Ribonuclease Gene) QTL mapping for polygenic resistance and its application in crop breeding for durable disease resistance Characterization of polyphenol oxidase in tobacco leaves Analysis on fatty acids in seeds of Ribes qingzangense Study on doubled CO2 concentration reduce the inhibition of enhanced UV-B radiation on tomato in plastic greenhouse Expression of Chlamydomonas reinhardtii chloroplast division gene CrFtsZ1 in E.coli Study on starch pasting properties of three gluten wheat cultivars in different environments Germplasm resource and habitat types of Seabuckthorn in China The macrosporogenesis and female gamephyte development of Psathyrostachys huashanica The damage repair effects of He-Ne laser on wheat seedlings exposed to enhanced Ultraviolet-B irradiation Analysis of fatty acids insitodiplosis Mosellana (Gehin) by gas chromatograph Effects of cutting on dynamics of tiller and leaves regrowth for perennial ryegrass and its productivity Biomass and its distribution of Chinese-fir treated with aqueous extracts of several tree species after six years The biochemical mechanism study on improvement of PP_(333) on the cold resistance of the rice seedlings Starch granules related to the development of chloroplasts in Ammopiptanthus mongolicus A research on the photosynthetic characteristics of Pyrus bretschneideri(CV.jinfeng and pingguoli) and strimson Study ABA sensitivity of seeds during development of Castanopsis hystrix and Castanopsis sclerophylla A mathematical model on procedure of some physiology and biochemical during aging of Chinese Fir seed Study of the vigor of trace pollens in CMS of Brassica napus L.and their niflulence on the purity of hybrid Evaluation of lodging resistance and relation and pathanalysis of lodging resistance traits in wheat Vascular development in the segment grafts of Cucurbita in Vitro The research of soluble proteins and isozymes in radish during storage period 紫外线-B辐射与3种植物幼苗的光合作用——光合作用对紫外线-B敏感性的比较 Studies on the aquatic vascular plant communities and ecological characteristics in Heihe valley Acytological study of Astragalus dshimensis Gontsh.and A.hoantchy Franch.with a taxonomic revision Effectof IAA on soybean seedling Effects of supplementary radiation of UV-B and red light on fruit quality of tomato in winter plastic greenhouse Effects of mannitol and 6-BA on the activity of peroxidase and IAA oxidase in cells of Oryza sativa Study on mechanism of high yield of salt-tolerant wheat with the plastic film mulching cultivation in saline soils RFLP analysis of mtDNAs among three types of cytoplasmic male sterility and their F_1 hybrids in wheat THE ULTRASTRUCTURALSTUDY ON CELLULARIZATION OF ENDOSPERM IN COIX LACRYMA-JOBI L. THE ULTRASTRUCTURAL OBSERVATION OF WHEAT SALT TOLERANCE CELL LINES OF CALLI 光、暗处理对蚕豆茎内皮层形成的影响 Ⅱ.与栓化作用有关的酶及抗氧化剂的关系 ON SCUTELLARIA ALASCHANICATSCHERN. Study on the relationof NRA and nitrogen accumulationin leaves of different protein content wheats Study on diversity of seed plants from Niubeiliang Nature Reserve Research on high efficient plantlet regeneration of Benincasa hispida (Thunb.) Cogn. Study on the ethylenerelease and the membrantlipid peroxida-tion in the different development stage of lilium flower Adjustmentof photoassimilate partitioning of Malus pumila M.by flower thinning and its physiological performance STUDIES ON ULTRASTRUCTURE OF ACHENE EPIDERMIS AND ITS TAXONOMIC IMPLICATIONS TO CAREX (CYPERACEAE) NITROGEN FIXING ROOT NODULES AND ITS FRANKIA ENDOPHYTE OF HIPPOPHAE RHAMNOIDES L. STUDIES ON THE DEVELOPMENT OF THE FLORAL NECTARIES OF NYMPHOIDES PELTATUM (GMEL.) O.KUNTZ STUDY ON SEED GLUCOSINOLATE COMPOSITIONS DIFFERENCES BETWEEN PARENTS OF BRASSICA JUNCEA AND BRASSICA NAPUS AND THEIR PROGENIES BREEDING AND CYTOGENETIC STUDY OF TRITICUM AESTIVUM-PSATHYROSTACHYS HUASHANICA ALIEN SUBSTITUTION LINES THE STRUCTURE AND DEVELOPMENT OF NECTARY IN ASTRAGALUS SINICUS ULTRASTRUCTURAL AND CYTOCHEMICAL LOCALIZATION OF ATPase ACTIVITY STUDIES OF EMBRYONIC CELL DIFFERENTIATION IN LYCIUM BARBARUM L SYSTEMATIC CLASSIFICATION OF THE GENUS LONICERA L. FROM GANSU SETTING UP ECOLOGICAL GARDENS OF GALLNUT AND INPROVING GARDENS OF LOW YIELD IN THE QINLING AND BASHAN MOUNTAINOUS REGION STUCIES ON THE ULTRASTRUCTURE AND MECHANISM OF NECTAR SECRETION IN FLORAL NECTARIES OF BRASSICA CAMPESTRIS LINN. AT DIFFERENT DEVELOPMENTAL STAGES OBSERVATION OF THREE VIRUSES DISEASE OF THE CEREAL BY ELECTRON MICROSCOPE STUDY ON THE CHEMICAL COMPONENTS AND SIBSHIPOF AFRICAN WATERMELON GERMPLASM STUDIES ON THE MORPHOLOGY AND THE ULTRASTRUCTURE OF THEMATURE FLORAL NECTARY OF NYMPHOIDES PELTATUM (GMEL) O. KUNTZ DURING THE NECTAR SECRETARY PERIOD PLANT REGENERATION FROM CALLUS PROTOPLASTSOF LOTUS CORNICULATUS L. EFFECTS OF NITROGEN ON THE DYNAMIC CHANGE OF NITRATE REDUCTASE ACTIVITY AND GRAIN PROTEIN CONTENT OF WHEAT THE STUDY ON CELL LIPID OVER-OXIDATION INJURIES AND CHANGES OF PLASMALEMMA ULTRASTRUCTURE IN TYPICAL SALINE PLANTS TAXONOMIC NOTES ON ASTRAGALUS FROM QINLING MOUNTAINS RELATIONSHIP BETWEEN ULTRASTRUCTURE OF WHEAT MESOPHYLL CELL UNDER WATER STRESS AND DROUGHT-RESISTANCE THE LOCALIZATIONS OF ADENOSlNE TRIPHOSPHATASE AND ACID PHOSPHATASE ACTIVITIES IN ALBUMINOUS CELLS PINUS BUNGEANA AND THEIR RELATIONS TO SEASONS A STUDY ON POLYSACCHARIDE OF THE LETHARIELLA CLADONIOIDES THE RELATIONSHIP OF THE BARK FORMATION WITH SEASONAL CHANGES IN POPULUS DAKANENSIS STUDIES ON THE POLLEN CULTURE OF ASPARAGUS OFFICINALIS L. AND PLANT REGENERATION THE VEGETATION OF DA QAIDAM BASIN IN QINGHAI PROVINCE LOCALIZATION OF ACID PHOSPHATASE ACTIVITY DURING DEVELOPMENT OF MEGAGAMETOPHYTE IN WHEAT RAPID INDUCTION OF CAM IN SUDUM SPECTABILE MORPHOGENESIS AND DEVELOPMENT OF CHLOROPLASTS IN ANTHERS OF HORDEUM VULGARE CLASSIFICATION EVALUATION AND BENIFICIAL ANALYSIS OF LOESS PLATEAU GRASSLAND THE EFFECT OF 4D AND 4R ON THE SYNTHESIS OF THREE KINDS OF ISOZYMES IN WHEAT ISOLATION, CULTURE AND CALLUS FORMATION OF MESOPHYLL CELL PROTOPLASTS OF Pisum satium L. DURING THE BEGINNING OF THE LIGHT PERIOD PATHWAY OF CO_2 FIXATION IN THE CAM PLANT 光对蚕豆幼苗茎内皮层形成的影响——Ⅰ.与过氧化物酶的关系 Identification method and resistance evaluation of Fusarium head blight in barley