An observation on pollinating insects and their flower-visiting behavior on Ferula sinkiangensis (Umbelliferae) Construction of A Pine Needle Symbiotic Engineered Bacterium Exhibiting the Insecticidal Activity to Dendrolimus punctatus Two New Species of Parasitoids on Scale Insects on Fruit Tree (Hymenoptera:Encyrtidae) Study on Biological Control of Fall Webworm by Insect Natural Enemy A Study on the Nutriology Promoting the Population Increase of Eulecanium gigantea by Urban Pollution A STUDY ON THE ALFALFA THRIPS Comparative Study of Spartina alterniflora Root Structure under Different Salinity Notes on Rubus subsect.Lineati from China The Karyotypes of Four Species of Apiaceae from Yunnan,China Phylogenetic Origin of Polygonum perfoliatum Inferred from Plastid trnL-F Sequences A Cytological Study of Seven Species in Section Proliferae of Primula(Primulaceae) Phylogenetic Study on Sect.Duretia(Boehmeria,Urticaceae) Based on nrDNA ITS Sequences Study on the Fern Genus Polystichum Roth Sect. Lasiopolystichum Daigobo from China New Material of Carex Section Rhomboidales from China (2) A Taxonomic Study of Huperzia Bernh.(s. s.) Sect. Huperzia in China Studies on Karyotypes and Phylogenetic Relationship of Allium Sect. Caloscordum (Liliaceae) from China On Cycas taiwaniana Carruthers (Cycadaceae) and the Cycads of South-eastern China Advances in safety studies of soil Bt toxin proteins released from transgenic Bt crops Structure and biodiversity of insect community on syconia fruits of Ficus racemosa in tropical rainforest of Xishuangbanna, China Sublethal effects of insecticides on fecundity of multicolored Asian ladybird Harmonia axyridis Chemical composition of volatile oil from Chromolaena odorata and its effect on plant, fungi and insect growth Ecological risk of Bt transgenic cotton and its management strategy Advances of studies on the effects of plant volatiles on insect behavior Chemical components of volatile oil from Mikania micrantha and its biological activity on insects Integrated control of maind diseases and insects of Dendranthema morifolium Ecological effects of cover crops Fluoride accumulation and distribution in mulberry insects near fluoride pollution sources Allelopathy of Ageratum conyzoides Ⅴ.biological activities of the volatile oil from ageratum on fungi,insects and plants and its chemical constituents Lab. of Quantitative Vegetation Ecology; Institute of Botany; the Chinese Academy of Sciences; Beijing; China Transfering feature of geochemical elements on the vertical section of moss in Antarctic Viewpoints on the study of economic thresholds of cotton bollworm The scientific significance of the north east China transect (NECT) to global change study by its ecogeographical characteristics STUDY ON THE STOMATAL ECOPHYSIOLOGICAL CHARACTERS OF TWO NEW CLONES OF Sect.Leuce PARAMETERIZING THE MIGRATORY BEHAVIOUR OF INSECTS Ⅰ. Behavioural analysis STUDY ON PLANT COMMUNITY DIVERSITY IN DON LINGSHAN MOUNTAIN,BEIJING CHINA Ⅹ β DIVERSITY AND FRACTAL ANALYSIS ON TRANSECT ON DIFFERENT SCALES THE INFLUENCE OF YELLOW RIVER SYSTEM ON THE CARBON DISTRIBUTION OF THE RIVER BASIN STUDIES ON THE REGULATION EFFECT OF NEUTRAL INSECT ON THE COMMUNITY FOOD WEB IN PADDY FIELD MATHEMATICAL DEMONSTRATION FOR THE ECOLOGICALEFFECTS OF PLANT COMMUNITY ON COMMUNITYAND POPULATION OF INSECT Experiment on Controlling Dendrolimus superans Butler with Crude Extracts of Nine Plants STUDIESON PHYLOGENY OF PAEONIA SECTION MOUTAN SUBSECTION VAGINATAE Biosystematic Relationships and Leaf Anatomical Characteristics of Three Sects’ Plants in Elymus (Poaceae) Leaf Micromorphological Characteristics and Taxonomic Significance of 11 Species,3 Varieties in Subsect. Maculifera, Subgen. Hymenanthes(Ericaceae) Research of Anatomy Observation on Adventitious Rooting Genesis and Development of Three Rooting Culture Seedlings of Eucalyptus Identification of Genes Up-regulated by Ectropic obliqua Feeding in Tea Seedlings Resistance of Transgenic Betula platyphylla to the Defoliator Lymantria dispar Insect Resistance Selectivity of Transgenic Hybrid Poplar 741 Influences of Larch Volatiles and Seven Kinds of Environmental Safe Insecticides on Olfactive and Ovipositive Responses of Coleophora obducta Insect Communities in Four Artificial Forests on Heshan Hilly Landin Guangdong Province,China Transformation of the Insecticidal Agglutinin Gene(gna) from Snowdrop (Galanthus nivalis) into Sophora japonica and Resistance of the Transgenic Plants to Aphids Isolation of Zygotes and Proembryos in Doritis pulcherrima Influences of insecticides and herbicides on the growth of the biocontrol fungus Coniothyrium minitans Campbell Test and improvement of model reliability for predicting insecticide residue A Study on the Genus Rhododendron L. Subsection Neriiflora Sleumer in China A New Section and a New Species of Carex from Anhui, China A New Section and a New Species of Lindernia (Scrophulariaceae) from Anhui A Chemotaxonomic Study of Murraya (Rutaceae) in China Cypripedium subtropicum, a New Species Related to Selenipedilum Cypripedium wumengense and Its Allies A Study on the Chinese Ormosia Jacks. (Cont.) Adaptation of transgenic strains of insect-resistance cotton to different ecological environments Insect community and its diversity in Mangrove forest at Yingluo Bay of Guangxi Ecological effects of six diseases and insects on larch crown Purification of piggery eco-environment by insects Ⅰ.Dung feeding insect species and evaluation on utilizing their dominant species Interactions among host plants, phytophagous insects and natural enemies and relevant research methods Functional features of preserving natural enemies to control insect pests in intercropped cotton field ecosystems Theoretical and experimental studies on drag distribution in multi-row windbreak Study on insect pathogenic Bacilli in store ecotope of China Rate summation effect on mean daily development rates in development process of insect Role of silicon in regulating plant resistance to insect herbivores Sublethal effects of three insecticides on the reproduction and host searching behaviors of Sclerodermus sichuanensis Xiao (Hymenoptera: Bethytidae) A Preliminary Study on the Use and Protection of the Natural Enemies of Insect Pests in the Seed Stands of Picea crassifolia Field Test on Insect-resistance of Transgenic plants(Populus nigra)Transformed with Bt Toxin Gene Quarantine on the Insect of Eucalyptus Species Review on Nutritive Value of Edible Insects Study on the Methods of Artificial Inoculation of Anoplophora glabripennis on Poplar Studies of Insects and Rat Feeding on the Cones and Seeds in Masson Pine Seed Orchard Natural Distribution,Drought-resistant Nature and Moisture Physiology of Fine Host Trees for Lac Insects Application of Lα──m Model in the Testing of Spatial Pattern for Insect Population Study on Technology of Integrated Measures to Control Anoplophora glabripennis by means of Selecting Insect-resistant Poplar Species The Exploitation and Utilization of Forest Insect Resources in China