STRUCTURE AND DEVELOPMENT OF THE INSECT-GALL OF Rhus chinensis Identification of four entomogenous fungi and preliminary evaluation on their insecticidal activities to Plutella xylostellaL. Cloning, expression and insecticidal activity of two cry9Aa genes from Bacillus thuringiensis strains Effects of the major nutritional substances and micro-structure of rice plants on the host preference of the small brown planthopper, Laodelphax striatellus Toxicity of several insecticides to different instars nymphs of Bemisia tabaci and the repellent actions to the adults A mini review on effects of sublethal doses of insecticides on the sex pheromone communication system of insects Bioactivity of camphor against the long-horned beetles (Anoplophora chinensis and Nadezhdiella canton) The quantitative indices in evaluation for the resistance to the whitebacked planthopper, Sogatella furcifera in some Chinese rice Studies on numerical characteristics of insect community structure of five stored export agricultural products Screening of new combinations of resistant hybrid cotton to insect pests and evaluation of heterosis Effect of feeding Bt cotton and other plants on the changes of development and insecticide susceptibilities of lesser armyworm Spodoptera exigua (Hiibner) The predatory function of Pirata subparaticus(Boes.et Str.) on three important rice insect pests in a multispecies coexistent system Impacts of three insecticides on the community structures wheat aphids and their predators in wheat field Mechanism of Schizaphis graminum in transmitting maize dwarf mosaic virus EXPERT SYSTEM FOR SAFE APPLICATION OF INSECTICIDES TO CONTROL INSECT PESTS IN RICE FIELD RESISTANCE TO INSECTICIDES IN HELICOVERPA ARMIGERA IN HEBEI, HEN AN, SHANDONG AND XINJIANG SCREENING TESTS AND PRELIMINARY STUDY ON THE INSECTICIDAL ANTIBIOTICS AND THEIR EFFECT IN CONTROLLING HELICOVERPA ARMIGERA EVALUATION OF INSECTICIDAL CYTOTOXICITY BY MTT METHOD STUDIES ON INSECTICIDAL ACTIVITY OF THE ANISE OIL AND ANALYSIS OF ITS COMPONENTS Phylogenetic analysis of Paeonia sect. Moutan (Paeoniaceae) based on multiple DNA fragments and morphological data A new section with a new species of Anemone (Ranunculaceae) from Mt. Xiaowutai, China Circumscription and phylogeny of Saxifraga sect. Ciliatae: Evidence from nrDNA ITS sequences A taxonomic revision of Lepisorus sect. Hymenophyton (Polypodiaceae) from China Begonia coelocentroides Y. M. Shui & Z. D. Wei, a new species of Begoniaceae from Yunnan, China A study on fruit morphology of Polygonum sect. Polygonum (Polygonaceae) from China A revision of Clematis sect. Meclatis (Ranunculaceae) Clematis hagiangensis N. T. Do, a new species of Ranunculaceae from Vietnam A revision of Clematis sect. Fruticella (Ranunculaceae) A revision of Clematis sect. Aspidanthera s.l. (Ranunculaceae) A revision of Clematis sect.Pseudanemone(Ranunculaceae) A revision of Clematis sect. Clematis(Ranunculaceae) Systematic position of Primula secundiflora (Primulaceae) inferred from nuclear ribosomal DNA ITS sequence data Pollen morphology of Polygonum section Aconogonon Meisn. in China Notes on the genus Clematis (Ranunculaceae) (Ⅳ) Karyotypes of 4 species in Allium sect. Haplostemon Boiss. from China On the taxonomy of Phlegmariurus (Herter) Holub sect. Huperzioides H. S. Kung et L. B. Zhang (sect. nov.) with notes on the infrageneric classification of the genus Phlegmariurus in China A study on cytotaxonomy of Sect. Anguinum of Allium New material of Carex sect. Praelongae from China Taxonomical history and revision of Paeonia sect. Moutan (Paeoniaceae) Analysis on Insecticidal Activity of Bt Transgenic Populus deltoides × P. euramericana cv‘Nanlin895’and Its Effects on Soil Microorganism The Insect Fauna at Jianfengling in Hainan Island-Geometridae Characteristics of Micro-structures and Chlorophyll Fluorescence Parameters of Diploid and Autotetraploid ‘Hanfu’ Apple Leaves Study on predicition method of cone crop in seed orchard of Pinus tabulaeformis Cryo-electron microscopy and its application in studies of plant (animal) materials A STUDY ON POLLEN MORPHOLOGY OF SECT.RANUNCULUS FROM CHINA SPATIAL-TEMPORAL VARIATIONS IN NET PRIMARY PRODUCTIVITY ALONG NORTHEAST CHINA TRANSECT (NECT) FROM 1982 TO 1999 CORRELATION BETWEEN FLORAL TRAITS OF CHRYSANTHEMUM (DENDRANTHEMA MORIFOLIUM) AND INSECT VISITORS STUDIES ON THE LEAF SIZE-TWIG SIZE SPECTRUM OF SUBTROPICAL EVERGREEN BOARD-LEAVED WOODY SPECIES ANALYSIS OF PROTEIN RESPONSE TO MECHANICAL WOUNDING IN LEAVES OF BRASSICA NAPUSCV. WESTAR COMPARISON OF STORAGE OF COARSE WOODY DEBRIS BETWEEN HUZHONG FOREST BUREAU AND HUZHONG NATURAL RESERVE IN DA HINGGAN MOUNTAINS, CHINA Phenological change of main vegetation types along a North-South Transect of Eastern China Response of normalized difference vegetation index in main vegetation types to climate change and their variations in different time scales along a North-South Transect of Eastern China Effect of controlling pine caterpillar (Dendrolimus punctatus Walker) by using Dimilin and insect diversity in pine forest The possible influence of future climate change on cotton production,and disease and insect pests in Hebei Province Spatial variability of soil nutrients and salinity in coastal saline-alkali land based on belt transect method. Changes of phenols and lignin contents in alfalfa leaf damaged by Odontothrips loti Resources and application prospects of mosquito repellent and mosquitocidal plants Factors contributing to CO2 emission reduction potential of the power sector in China Estimation of the impact of a carbon tax on the Beijing socio-economic system, based on a computable general equilibrium model Mechanism, hypothesis and evidence of herbivorous insect-host interactions in forest ecosystem Flora analysis of riparian vegetation in Yongding-Haihe river system, China Analysis of differences in insect communities at different altitudes in Zanthoxylum bungeanum gardens, Yunnan, China Spatial pattern gradient analysis of a transect in a hilly urban area in China from the perspective of transportation corridor sprawl The effects of two insecticides on predation function of predatory natural enemies The species and community structure of white wax insect natural enemy in different production area in the oviposition period Influence of Seasonal and Daily Changes of Spatial Niche of Spiders in Paddy Field and Two Insecticides to Spatial Niche and Predatory Function Research progress on the chemical ecology of scale insects Insect host marking pheromones The effect of elevated ozone concentration on plants and insects Impacts of elevated CO2 on insects Mowing effects no the insect community structure and dynamics on jujube trees at jujube forests intercropped with pasture Effects of transgenic Bt-rice and insecticides on the community structure of soil nematodes Ecological safety of transgenic Cry1Ab/Ac rice on zoobenthos community in paddy fields Advances in registration and formulation techniques of Metarhizium biological insecticides Molecular Detection and Agronomic Traits Analysis of Insect-resistant Transgenic Maize Harboring Bt cry1Ah Gene Number, Volume and Distribution of the Puff-Like Structure in Interphase Nuclei of Allium cepa A New Algal Fossil from Early Cambrian in Qingzhen County, Guizhou Province, China Cytological Observations of Microsporogenesis and Pollen Development in Triticum Sect. Trititrigia, T. aestivum and Their Hybrids Plant Regeneration from Protoplast of Trititrigia (Triticum sect. trititrigia Maekey) Ultrastructural Studies on the Pollen-stigma Interaction of Intersectional Hybridization in Populus