Constituents from Armillariella mellea Studies on the vegetation and the spermatophytic flora of Taitong-Kongtong Mountain Nature Reserve in Pingliang of Gansu Province A mathematical model on procedure of some physiology and biochemical during aging of Chinese Fir seed Evaluation of lodging resistance and relation and pathanalysis of lodging resistance traits in wheat Identification of wheat-Elytrigia intermedium alien addition line with resistance to powdery mildew by cytology and RAPD analysis Studies on vegetative reproduction pattern of Kingdonia uniflora Effectof IAA on soybean seedling Effects of the artificial low temperature on the dormant buds and shoots of Dangshan pear in the central part of Yunnan Effect of different factors on transformation of Alhagi pseudalhagi by Agrobacterium rhizogenes Effects of soil moisture and short-term shade on photo-synthetic and stomatal response in cotton leaves Characters of leaf epidermis in Swertia L. Correlation analysis between induction of maize parthenogenesis haploid in vivo and intersperm nucleus distances in pollen tubes germinating in vitro of male parent Study on selection methods and criteria of Pinus tabulaeformis in Shaanxi Characters of endosperm cells in the seeds of some species of Roegneria and their taxonomic significance HISTOCHEMISTRY ANDCYTOCHEMISTRY OF RESIN-CONTAINING CELL IN PINUS TABULAEFORMIS THE ULTRASTRUCTURALSTUDY ON CELLULARIZATION OF ENDOSPERM IN COIX LACRYMA-JOBI L. THE ULTRASTRUCTURAL STUDY OF PROTEIN BODY IN UNGERMINATED AND GERMINATED TOMATO SEED 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 Study on predicition method of cone crop in seed orchard of Pinus tabulaeformis Study on diversity of seed plants from Niubeiliang Nature Reserve Studies on the cell development and its function of microsporangium epiderm in Plantycladus orientalis Adjustmentof photoassimilate partitioning of Malus pumila M.by flower thinning and its physiological performance Dynamic optimization research on weight increment in winter wheat grain dry matter Effect of alteration of source-sink relationship on endogenous hormones in cotton leaves THE DEVELOPMENT OF EMBRYO ENDOSPERM IN POLYGONUM MULTIFLORUM A ANALYSIS ON THE FLORA AND GEOGRAPHY OF GYMNOSPERM FROM GANSU PROVINCE THE EFFECT OF EXOGENOUS DRUGS ON DAMAGE OF CUCUMBER SEEDLINGS UNDER CHILLING STRESS STUDY ON THE CHEMICAL COMPONENTS AND SIBSHIPOF AFRICAN WATERMELON GERMPLASM STUDIES ON TECHNIQUES OF MINIATURE PROPAGATION IN WILD JUJUBE THE ABNORMALITY OF EMBRYO AND ENDOSPERM DEVELOPMENT IN SPRING WHEAT OF TWINS SEEDLING PHARMACOGNOSTICAL STUDY AND DETERMINATION OF COMMON METAL ELEMENTS ON THE ROOTS OF TONGOLOA SILAIFOLIA(DE BOISS)WOLFF THE RELATIONSHIP OF THE BARK FORMATION WITH SEASONAL CHANGES IN POPULUS DAKANENSIS OBSERVATIONS ON THE DEVELOPMENT OF MICROSPORANGIUM AND THE EMERGENCE OF MALE GAMETOPHYTE IN WATERMELON (CITRULLUS LANATUS) STUDIES ON RELATIONSHIPS AMONG THE GENERA AND PHYLOGENESIS OF THE TRIBE TRITICEAE PROMOTIVE EFFECT OF L-PROLINE ON THE GROWTH OF WHEAT CALLUS CROSS COMPATIBILITY ANALYSIS OF GOSSYPIUM HIRSUTUM RACE LATIFOLIUM WITH COMMERCIAL VARIETIES DIIVERGENCE OF Ri T-DNA TRANSFORMATS OF CABBAGE THE CHARACTERISTICS OF THE LEAF EPIDERMIs OF ENDEMIC GENUS GYMNOTHECA IN CHINA AND ITS AFFINITE GNERA PERMEABILITY OF PEROXISOMAL MEMBRANE IN Spinach LEAF TO SOME METABOLITES 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 STUDY ON CONSTITUENTS OF POLLEN OF Zea mays L. THE GEOGRAPHICAL DISTRIBUTION AND FLORESTIC CHARAC TERISTICS OF GENERA ENDEMIC SPERMATOPHYTES TO CHINA IN QINLING THE INFLUENCE OF EXTRANEOUS HORMONES ON THE DIFFERENTIATION OF LEAFEXPLANT OF Saintpaulia ionantha Wendi. IN VITRO Frequency of resistance to Bacillus thuringiensis toxin Cry1Ac in Xinjiang field population of Helicoverpa armigera Biocontrol efficacy of apple tree valsa canker by endophytic actinomycetes Characterization, identification and control effect against banana Fusarium wilt of antagnistic strain C-4 Induction of chlorfenapyr on endogenous protective and detoxifying enzymes in beet armyworm, Spodoptera exigua Antifungal activity of antagonistic strain BMP-11 against Pythium aphanidermatum and its identification Genetic analysis of resistant genes to stripe rust in Chinese wheat differential host, Abbondanza The effect of ZJUF0986 bioactive metabolite on the pathogenicity of Magnaporthe oryzae Identification of stem rot and root rot pathogens isolated from Anthurium andraeanum and Ananas comosus var. variegata Activity of acetylcholinesterase in Paratrioza sinica and the inhibiting effect of triazophos, phoxim on the esterase Mass trapping of the Spodoptera litura moth with synthetic sex pheromone lures and control efficacy in the fields Separation and analysis of 1-O-acetylbritannilactone from Inula japonica and determination of antifungal activity Cluster analysis of major and candidate cultivars of wheat for dominant populations of stripe rust in seedling stage from Shaanxi, Gansu, Sichuan and Henan provinces Radar observations on the migratory behavior of the second generation cotton bollworm moths in the north part of northern China The effects of infection of Botryosphaeria berengriana f.sp. piricola on cell membrane permeability and defendant enzymes in different resistance cultivars of apple Identification and characterization of Oilseed rape mosaic virus Biocontrol of maize sheath blight with Trichoderma spp. The effects of withering poplar branch on the reproductive behavior of cotton bollworm Influence of API-transgenic cotton plants on growth and midgut proteases activity to Helicoverpa armigera larvae Laboratory efficacy of RH-2485, a new non-steroidal ecdysone agonist, against cotton bollworm: Helicoverpa armigera (Lepidoptera:Noctuidae) ON THE ECONOMIC THRESHOLD OF MULBERRY THRIPS PSEUDODENDROTHRIPS MORI NIWA IN MULBERRY ORCHARD DURING EARLY AUTUMN ON THE COLD HARDINESS OF COTTON BOLL WORM POPULATIONS FROM XINJIANG UYGUR AUTONOMOUS REGION THE CHANGES OF THE RESPIRATORY RATE AND NUTRITION UTILIZATION EFFICIENCY OF HELICOVERPA ARMGERA (HUBNER) INFECTED BY BEAUVERIA BASSIANA FIELD RESISTANCE EVALUATIONS OF BT TRANSGENIC COTTON GK SERIES TO COTTON BOLLWORM A NEUTRAL NETWORK APPROACH TO LONG-TERM FORECASTING FOR RICE LEAFROLLER RESISTANCE TO INSECTICIDES IN HELICOVERPA ARMIGERA IN HEBEI, HEN AN, SHANDONG AND XINJIANG STUDY ON THE ALLEVIATION OF COTTON BOLLWORM TO INSECTICIDES BY Bt TREATMENT STUDIES ON THE ARTIFICIAL DIETS FOR BEET ARMYWORM IDENTIFICATION AND PATHOGENICITY OF THE PATHOGENS OF CORN EAR OR KERNEL ROT STUDIES ON THE DIAPAUSE CHARACTERISTICS OF ORIENTAL TABACCO BUDWORM ON SOME ASPECTS OF COMMUNITY ECOLOGY ASSOCIATED WITH THE PRESERVATION AND UTILIZATION OF FARMLAND NATURAL ENEMIES SCREENING TESTS AND PRELIMINARY STUDY ON THE INSECTICIDAL ANTIBIOTICS AND THEIR EFFECT IN CONTROLLING HELICOVERPA ARMIGERA EVALUATION OF INSECTICIDAL CYTOTOXICITY BY MTT METHOD AN ENZYME-LINKED IMMUNOSORBENT ASSAY (ELISA) FOR AVERMECTIN B_1 RESIDUE IN PEARS ANATOMICAL STUDIES ON THE VEGETATIVE ORGANS AND THE PROTOCORM OF CYMBIDIUM HYBRIDUM THE STUDIES ON THE CHARACTERS OF THE DENDRARNTHEMA(DC.)DES MOUL.IN THE EAST-NORTH CHINA LONG-TERM CULTURE AND CHROMOSOME VARIATIONS OF EMBRYOGENIC CALLI IN MAIZE