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Study ABA sensitivity of seeds during development of Castanopsis hystrix and Castanopsis sclerophylla Effects of seed dressing in plant nutrient on the senescence of roots after anthesis and yield in dry land wheat on high yield Volatile comparison of Chinese Medicinal Herb Thymus mongolicus The studies on the flora of seed plants in Tianyuhe River- Valley in Qinling Mountains Studies on flora diversity of the seed plants in Heng Mountain nature reseave,Shanxi A mathematical model on procedure of some physiology and biochemical during aging of Chinese Fir seed Regulation of plant growth regulator on leaves senescence and yield constitutions of wheat Dynamic analysis of the growth during nursery of paulownia clones The research of soluble proteins and isozymes in radish during storage period The response of different crops to drying wetting cycle in field 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 individual sexual reproductive process of Juglans mandshurica 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 Effect of different factors on transformation of Alhagi pseudalhagi by Agrobacterium rhizogenes Oxidative damage and antioxidant responses during drought-induced winter wheat flag leaf senescence Characters of leaf epidermis in Swertia L. Characteristics of flag leaf senescence and activated oxygen metabolism for cold type wheat Study on selection methods and criteria of Pinus tabulaeformis in Shaanxi Effect of close-relative single crosses on flowering coordination during seed corn production Sequence and functional analyses of the tapetum-specific promoter Osg6B from rice (Oryza sativa L.) STUDIES ON THESTRUCTURE,AFTERRIPENING AND CYTOCHEMISTRY OF SEEDS IN ELEUTHEROCOCCUS SENTICOSUS GENETICAL STUDIES OF GENE EFFECTS OF WHEAT GENOMES ON THE CHARACTERISTICS OF EFFICIENTLY UTILIZING POTENTIAL SOIL PHOSPHORUS THE ULTRASTRUCTURAL STUDY OF PROTEIN BODY IN UNGERMINATED AND GERMINATED TOMATO SEED ANATOMICAL STUDIESON THE DEVELOPMENT OFOIL CELLS IN LITSEA PUNGENS CRYOPRESERVATION OFAPRICOT 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 Genotypic variations for nitrogen use efficiency in winter wheat I.Effects of N uptake and utilization efficiency on grain yields Study on chemical constituents of essential oil from Vitex negundo Linn. Study on predicition method of cone crop in seed orchard of Pinus tabulaeformis Study on the relationof NRA and nitrogen accumulationin leaves of different protein content wheats Study on diversity of seed plants from Niubeiliang Nature Reserve Study on introduction and breeding of improved breeds of seabuckthorn in the semiarid loess hilly region The primary study on the breedingof Yulan Magnolia 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 Effectsof fertilizer application depth on senescence of flag leafafter anthesis and yield in dry land wheat Studieson the relation between secretory structures and itssecontary product in Hypericum sampsonii Cryo-electron microscopy and its application in studies of plant (animal) materials Effectof sucrose concentrations with or without SA onformation and growth of In vitro microtuber in potato STUDY ON CORRELATE SELECTION OF SUPERIOR PAULOWNIA CLONES GENETIC ANALYSES AND INDEX SELECTION OF THE QUANTITATIVE CHARACTERS OF PAULOWNIA CLONES EFFECTS OF NaCl ON PR0TEIN AND CONTENT OF FREE AMINO ACIDS IN ROOTS OF BARLEY A STUDY ON TECHNIQUE ABOUT TURNING WILD THALICTRUM BAICALENSE TURCZ. INTO DOMESTIC ONE ULTRASTRUCTURAL AND CYTOCHEMICAL LOCALIZATION OF ATPase ACTIVITY STUDIES OF EMBRYONIC CELL DIFFERENTIATION IN LYCIUM BARBARUM L THE EFFECT OF EXOGENOUS DRUGS ON DAMAGE OF CUCUMBER SEEDLINGS UNDER CHILLING STRESS 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 A STUDY ON POLLEN MORPHOLOGY OF SECT.RANUNCULUS FROM CHINA OBSERVATION OF THREE VIRUSES DISEASE OF THE CEREAL BY ELECTRON MICROSCOPE STUDIES ON THE MORPHOLOGY AND THE ULTRASTRUCTURE OF THEMATURE FLORAL NECTARY OF NYMPHOIDES PELTATUM (GMEL) O. KUNTZ DURING THE NECTAR SECRETARY PERIOD EFFECTS OF NITROGEN ON THE DYNAMIC CHANGE OF NITRATE REDUCTASE ACTIVITY AND GRAIN PROTEIN CONTENT OF WHEAT OBSERVATION OF MANGO FRUIT BY SCANNING ELECTRON MICROSCOPY THE RESEARCH PRESENCE AND DEVELOPMENT PROSPECTOF ORYCHOPHRAGMUS VIOLACEUS THE RELATIONSHIP BETWEEN SENESCENCE AND MEMBRANE LIPID PEROXIDATION IN CUT TULIPS DURING VASE-HOLDING LIFE THE ABNORMALITY OF EMBRYO AND ENDOSPERM DEVELOPMENT IN SPRING WHEAT OF TWINS SEEDLING STUDY ON CHEMICAL CONSTITUENTS IN SEEDS OF DIPTERONIA SINENSIS OLIV. NATIVE TO CHINA STUDIES ON CONSERVATION BIOLOGY OF SARUMA HENRYI OLIV. THE LOCALIZATIONS OF ADENOSlNE TRIPHOSPHATASE AND ACID PHOSPHATASE ACTIVITIES IN ALBUMINOUS CELLS PINUS BUNGEANA AND THEIR RELATIONS TO SEASONS THE RELATIONSHIP OF THE BARK FORMATION WITH SEASONAL CHANGES IN POPULUS DAKANENSIS SEED COAT AND HILUM DEVELOPMENT IN VIGNA SESQUIPEDALIS FRUWIRTH THE VEGETATION OF DA QAIDAM BASIN IN QINGHAI PROVINCE LOCALIZATION OF ACID PHOSPHATASE ACTIVITY DURING DEVELOPMENT OF MEGAGAMETOPHYTE IN WHEAT STUDY ON HITOLOGY AND CYTOLOGY OF VICIA SATIVA ROOT NODULES OVULE DEVELOPMENT AND CALLOSE DEPOSITION IN RHEUM PALMATUM MORPHOLOGICAL AND CYTOLOGICAL OBSERVATIONS OF DOUBLE FERTILIZATION IN SETARIA ITALICA EFFECT OF KINETIN ON TUBER ONION LEAF SENESCENCE AND RELATIONSHIP BETWEEN THE EFFECT AND ACTIVATED OXYGEN METERBOLIZM EFFECT OF DIMETHYL SULFOXIDE ON ULTRASTRUCTUES OF ROOT MERISTEMATIC CELLS OF SECALE CEREALE STUDY ON GENUS ZANTHOXYLUM L. FROM GANSU RAPID INDUCTION OF CAM IN SUDUM SPECTABILE EFFECTS OF MINERAL NUTRITION ON DRY MATTER PRODUCTION AND WATER USE OF SPRINC WHEAT UNDER DIFFERENT SOIL MOISTURE CONDITIONS 小花草玉梅变态花的形态学研究——I.变态花的形态学观察 CAT CYTOLOGICAL OBSERVATION ON CALLUS PRODUCTION AND EMBRYOGENESIS OF Gossypium hirsutum L. THE EFFECT OF 4D AND 4R ON THE SYNTHESIS OF THREE KINDS OF ISOZYMES IN WHEAT 中国特有植物海南草珊瑚管状分子的初步研究—草珊瑚属导管存在的例证 DURING THE BEGINNING OF THE LIGHT PERIOD PATHWAY OF CO_2 FIXATION IN THE CAM PLANT STRUCTURE AND DEVELOPMENT OF THE INSECT-GALL OF Rhus chinensis 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 ELECTRON MICROSCOPE OBSERVATION ON PILEUS OF Morchella esculenta(L.) Pers.