Dynamic optimization research on weight increment in winter wheat grain dry matter 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 EFFECTS OF THE ENHANCED UV-B RADIATION ON THE MICRONUCLEUS EVENTS OF TRADESCANTIA POLLEN MOTHER CELLS STUDIES ON THE WILD ECONOMIC PLANT RESOURCES AND ITS UTILIZATION IN GANSUHEXI A STUDY ON ANATOMICAL CHARACTERISTICS OF LEAVES AND STEMS OF FIVE ALPINE PLANTS USED FOR TIBETAN MEDICINE IN QINGHAI-TIBETAN PLATEAU BIOLOGICAL PROPERTY AND IN VIVO AND IN VITRO MULTIPLICATION OF THE PLANTLETS OF VINCAMINORL 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 四棱草属比较形态及其分类系统位置的研究Ⅰ.四棱草属及近缘属叶片毛状体微形态 STUDY ON CHEMICAL CONSTITUENTS IN SEEDS OF DIPTERONIA SINENSIS OLIV. NATIVE TO CHINA PHARMACOGNOSTICAL STUDY AND DETERMINATION OF COMMON METAL ELEMENTS ON THE ROOTS OF TONGOLOA SILAIFOLIA(DE BOISS)WOLFF THE LOCALIZATIONS OF ADENOSlNE TRIPHOSPHATASE AND ACID PHOSPHATASE ACTIVITIES IN ALBUMINOUS CELLS PINUS BUNGEANA AND THEIR RELATIONS TO SEASONS THE ANALYSIS OF COMBINING ABILITY IN WHEAT CULTIVARS FOR QUALITY AND AGRONOMIC CHARACTERS CYTOLOGICAL OBSERVATION OF MICROSPOROGENESIS AND POLLEN DEVELOPMENT IN OCTOPLOID A GROTRITlCUM, T. TURGIDUM AND THEIR HYBRID OBSERVATIONS ON THE DEVELOPMENT OF MICROSPORANGIUM AND THE EMERGENCE OF MALE GAMETOPHYTE IN WATERMELON (CITRULLUS LANATUS) EFFECT OF DIMETHYL SULFOXIDE ON ULTRASTRUCTUES OF ROOT MERISTEMATIC CELLS OF SECALE CEREALE COMPARISON OF CHEMICAL COMPONENTS OF XIAOYAN WHEAT STUDIES ON CHEMICAL COMPONENT OF PINE NEEDLES STUDY ON CONSTITUENTS OF POLLEN OF Zea mays L. THE GEOGRAPHICAL DISTRIBUTION AND FLORESTIC CHARAC TERISTICS OF GENERA ENDEMIC SPERMATOPHYTES TO CHINA IN QINLING Identification method and resistance evaluation of Fusarium head blight in barley The effect of quinestrol on reproductive system of male Yangtze vole, Microtus fortis The population dynamics of apple Lithocolletis ringoniella in Loess Plateau Allelopathy mechanism of flowers of Parthenium hysterophorus L. on wheat Behavioral responses of Dialeurodes citri to leaves and their volatiles of citrus cultivars Preparation and immunological characteristics of polyclonal antibody of prophenoloxidase from the hemolymph of Ostinia furnacalis Guene larvae Selectivity and mechanism of Didesmococcus koreanus Borchs on eight host plants Economic threshold and critical period of competition of Flaveria bidentis Epidemic zones and dispersal routes of wheat stripe rust caused by Puccinia striiformis West. in Sichuan Impact evaluation of transgenic cry1Ab japonica rice on the diversity of intestinal microbial community in the brown planthopper, Nilaparvata lugens using Biolog-Eco method Epidemics of the Rice stripe virus in northern Zhejiang, China Economic thresholds of the oriental fruit fly, Bactrocera dorsalis Advance in researches on rice black-streaked dwarf disease and maize rough dwarf disease in China Control of pepper Phytophthora blight using Micromonospora sp. and identification of the antibiotic substance 两种亚致死剂量的农药对亚洲玉米螟化学通讯系统的干扰作用 Systemic acquired resistance of rice against sheath blight disease induced by benzothiadiazole Screening of new combinations of resistant hybrid cotton to insect pests and evaluation of heterosis Establishment and development of web database for cotton aphid prediction Chemical identification and field tests of sex pheromone of beet armyworm Spodoptera exigua Effect of herbicide on the infection on Veronica persica by Colletotrichum gloeosporioides The pathogenicity of microsporidian Vairimorpha sp. isolated from silkworm to diamondback moth Plutella xylostella (Linnaeus) (Lepidoptera:Plutellidae) ON THE ECONOMIC THRESHOLD OF MULBERRY THRIPS PSEUDODENDROTHRIPS MORI NIWA IN MULBERRY ORCHARD DURING EARLY AUTUMN FIELD RESISTANCE EVALUATIONS OF BT TRANSGENIC COTTON GK SERIES TO COTTON BOLLWORM STUDIES ON THE EPIDEMIC REGULARITY AND PREDICTING METHOD OF THE SOYBEAN BROWN SPOT (SEPTORIA GLYCINES) THE POPULATION DYNAMICS AND RECOVERY OF RODENT PESTS IN THE AGRICULTURAL ECOLOGICAL SYSTEM IN SICHUAN THE BIONOMICS OF PEACH FRUIT BORER DAMAGED ON APRICOT TREE ECONOMIC DAMAGE TO JAPONICA RICE BY THE SECOND GENERATION POPULATION OF THE WHITE-BACKED PLANTHOPPER RESEARCH ON THE PATHOLOGY OF TOBACCO CELLS AFTER INOCULATED WITH ALTERNARIA ALTERNATA AND THE CHEMICAL PREVENTIVE STAGES INTEGRATED CONTROL PROGRAM OF CITRUS HUANGLONGBIN DISEASE STUDY ON THE FORECAST OF THE POPULATION DYNAMICS OF MANDARIN VOLE STUDY ON SEASONAL SURVIVAL RATES OF THE POPULATIONS OF MICROTVS BRANDTI IN DIFFERENT PERIODS POPULATION DYNAMICS OF DIURAPHIS NOXIA MORDV. AND IMPACTS OF NATURAL ENEMIES A STUDY ON PSEUDOPHACOPTERON CANARIUM IN FUJIAN PROVINCE INDUCED RESISTANCE TO DOWNY MILDEW OF CUCUMBER BY CHEMICALS STUDIES ON INSECTICIDAL ACTIVITY OF THE ANISE OIL AND ANALYSIS OF ITS COMPONENTS STUDIES ON BIONOMICS OF PSAMMOTETTIX STRIATUS (L. ) POLLEN MORPHOLOGY OF PARAMICHELIA AND TSOONGIODEDRON FROM CHINA ANTHER AND POLLEN DEVELOPMENT IN VIGNA SESQUIPEDALIS(L.)FRUW. A CYTOLOGICAL OBSERVATION IN MICROSPOROGENESIS OF MALE STERILE LINES AND FERTILE LINES OF MILLET Variations of Soil Nitrogen and Microbial Biomass Carbon and Nitrogen of Quercus aquifolioides Forest at Different Attitudes in Balangshan, Sichuan Light Media Selection for Growing Micro-propagated Seedlings of Betula alnoides ON THE SEASONAL POPULATION DYNAMICS OF MELONAND ORIENTAL-FRUIT FLIES AND PUMPKIN FLYIN GUANGZHOU AREA STUDIES ON THE EPIDEMIC METHOD OF SPRING WHEAT SCAB IN HEILONGJIANG PROVINCE Revision of Swietenia mahagoni(Meliaceae) in Chinese Taxonomic Literature Embryology of Juglans mandshurica Maxim.(Ⅰ) the Microsporogenesis,and the Development of Male Gametophytes Antimicrobial Activity of Nitellopsis obtusa(Charophyta) and Optimization of Extraction Conditions Purification and Identification of Populus ussuriensis Genomic DNA Megasporogenesis,Microsporogenesis and Development of Gametophytes in the Rare Endangered Plant Manglietia patungensis Hu Micro-morphology of Leaf Epidermis of Caragana in Inner Mongolia SEM Observation on the Pollen Grains of Ten Species in Impatiens L. (Balsaminaceae) Comparative Studies on the Anatomical Structures of Leave of 3 Species in Saussurea Cytological investigation on microsporogenesis of male sterility of pepper Ionic Liquids-based Microwave-assisted Extraction of Biochanin A and Genistein from Dalbergia odorifera T.Chen Leaves Micromorphological Features of Epidermis of 20 Species Ferns from Yunnan Taxonomic Status of Cephalotaxus alpina(Li) L.K.Fu(Cephalotaxaceae) in the Views of Morphological Characteristics of Seeds and Leaves Observation of Cremocarp Development of Chuanminshen violaceum(Apiaceae) Optimization of Microwave-assisted Extraction of Syringin and Oleuropein from Syringa reticulata Screening and comprehensive evaluation of drought resistance indices of cotton at blossing and boll-forming stages Comparative Analysis of the Main Agronomic Characters of Plateau Japonica Rice backbone of Parents and their Derivative Cultivars