Weed 第2页

Stress-resistance of weedy rice Luolijing (Oryza sativa) Lead absorption by weeds from lead-polluted soil Researches on weed niche in turf Non-phenolic allelochemicals in root exudates of an allelopathic rice variety and their identification and weed-suppressive activity Temporal miche and dynamics of main weed species in turf-weed community in golf courses Effects of inorganic nitrogen compounds and pH on the growth of duckweed Lemna aequinoctialis Spatial Distribution Characteristics of Weed Species Diversity in a Watershed Ecosystem in Southern China‘s Hilly Area Effects of enhanced UV-B radiation on population quantity dynamics of weeds,soil macroanimals and wheat aphids in the wheat field ecosystem Investigation and Analysis of Weeds in the Seeds Field of White Clover Study on the Seasonal Dynamics Model of Soil Microbial Growth on the Leymus chinensis Meadow in the Northeast of China Study on Weed Control of Four Perennial Grasses by Using 2,4-D Butylate in Mixture Sown Grassland at an Alpine Region Studies on Some Structural Characteristics of a Community of Grassland of Elymus sibiricus Planted in Different Years Effect of fertilization patterns on weed community in late rice fields STUDIES ON THE WHEAT WEEDS COMMUNITIES IN WHEAT FIELDS IN JINGQU BASIN OF ZHEJIANG PROVINCE A STUDY ON POLLINOSIS FROM AMBROSIA IN WUCHANG DISTRICT OF WUHAN CITY STUDY ON WEED ECOLOGICAL RELATIONSHIPS IN AUTUMN-HARVESTED DRY CROP FIELDS IN JINHUA,ZHEJING PROVINCE Seed Production Characteristics of an Exotic Weed Mikania micrantha Study on the Fingerprint Chromatogram of the Compound Giant Knotweed Rhizome by High Performance Liquid Chromatography Studies on the Biological Characteristics of Echinochola crusgalli and its Control Methods Composition and Diversity of the Weed Community in Transgenic Bt Cotton (Four Bollgard Strains) Fields Isolation of a germination stimulant for striga hermonthicu (Del)Benth from root culture of Menispermum dauricum DC Application of allelopathy to weeds contro1 Quantitative analysis of weed communities in cotton fields in cotton growing regions of Jiangsu Province Quantitative analysis of weed communities in cotton fields in cotton-growing regions of Jiangsu Province SIGNIFICANCE AND METHOD OF STUDIES ON WEED NICHE IN CROP FIELDS Ultrastructure of Mesophyllic Cells and Chloroplasts of Spirodela polyrrhiza under Different Light Intensities and Temperatures Cloning of Pokeweed Antiviral Protein Gene from Phytolacca acinosa and its Transfer to Pepper(Capsicum annuum L) Summer and Autumn Meteorological Effects on the Emergence of Turf Weeds in the Nanjing Area Effects of temperature change on seed germination, seedling growth and physiological characteristics in rape and companion weeds Effects of cultivation regimes on weed community structures in newly reclaimed sandy farmlands Effect of ecologically-based weed management strategies on weed community and diversity in hilly tea plantations Inducible regulation of allelopathic potential in different wheat genetypes under drought and prohydrojasmon (PDJ) treatment Evolution and strategy of weed genomics research CHROMOSOME VARIATION AND KARYOTYPE ANALYSIS OF INVASIVE WEEDSorghum halepenseL. INTERACTION OF SURFACTANTS, SPRAYING VOLUME AND WEED LEAF ANGLE IN DROPLET RETENTION OF IMAZETHAPYR Biological characteristics of the exotic weed Sorghum halepense and measures to control its spread Effects of crop pattern, tillage practice and water and fertilizer management on weeds and their control mechanisms Biological activities of eight herbicides against four grass weeds of wheat fields Species composition and characterization of weed communities in wheat fields in Shandong Province Influence of different weed populations on cotton yield in saline and alkaline land in Shandong Geographic distribution and prediction of potential suitable regions of Iva xanthifolia Study of life-history strategy of farmland weeds in semi-arid areas A study on crop-weed allelopathy and its relationships based on niche theory The movement characteristics of three kinds of weed seeds by wind as driving force Prospects for weed control through crop interference SPATIAL HETEROGENEITY AND SIMILARITY OF ADULT PLANTS AND SEEDLINGS IN ‘BLACK SOIL LAND’ SECONDARY WEED COMMUNITY, QINGHAI-TIBETAN PLATEAU CHARACTERISTICS OF SOIL SEED BANKS OF CROFTON WEED AND THEIR EFFECTS ON SEEDLINGS Weed communities and eco-niches in wheat fields of the Yellow River irrigation zone of Lanzhou Analysis of allelopathic effects and resource competition of weed suppression ability of wheat (Triticum aestivum) under low nitrogen stress condition Effects of different fertilization regimes on weed communities in wheat fields under rice-wheat cropping system. Impact of mowing or removal of weed on lawn growth Relationship between DNA C-value and invasiveness in 539 angiosperm species in China Effects of two kinds of weedicides on tissue structures and membrane metabolism of Stellera chamaejasme and Oxytropis ochrocephala respectively Chemical Control of Weeds in Spring-seeded Alfalfa (Medicago sativa L.) Seedling Stage Effect of Cultivated Switchgrass on the Growth of Associated Weed Biomass and Density at Different Growth Stages Study on Companion Crop Selection and Its Sowing Rate for Alfalfa Seeding in Autumn in Hilly Area of South Jiangsu Province Effect of Planting White Clover as a Cover Crop on the Microclimate of a Peach Orchard and the Peach Quality Study on Allelopathic effects of Bermudagrass on Five Gramineous Weeds Dynamics of Weed Community among Three GrowingSeasons in Alpine Cultivated Grassland Optimal C/N Ratio for Producing Swainsonine (SW) Using Locoweed Endophytes FEL3 Application of Quantitative Theory Ⅰ in commenting the relationship of forage species and weed species Effect of environmental condition on Mn deficiency of different wheat varieties The studies on gene flow from GM herbicide-tolerant rapeseed to cruciferous weeds Mycorrhizal colonization and lead uptake of weeds in lead-polluted soil Vegetation and soil characteristic of three forage legume pastures on the Loess Plateau Influence of ethephon on translocation and phytotoxicity of glyphosate in alligator weed Alteranthera philoxeroides Studies on the damage and economic threshold of weeds to winter wheat THRESHOLD PERIOD OF WEED CONTROL IN TRANSPLANTED RAPE IN JIANGSU PROVINCE YIELD LOSS MODEL DUE TO THE INFESTATION OF WEEDS IN SUMMER MAIZE FACTORS INFLUENCING EFFICACY OF NICOSULFURON ON CRABGRASS (DIGITARIA SANGVINALIS) Chemical Constituents of Pistia stratiotes/ L. Niche characteristic of exotic weeds in suburb and the impacts on biodiversity Study on the Population Ecology and Control of Ascendent Crab Grass in Summer Grain Crops in Hebei Province Cloning and Sequencing of the cDNA Encoding for Pokeweed Anti viral Protein (PAP) and Construction of Its Plant Expression Vector Spatial and temporal dynamics of the weed community in the Zoysia matrella lawn. Dynamics and combined injuries of main pest species in rice cropping zones of Yunnan, Southwest China. Non-target impacts of weed biological control agents on native community and safeguard approaches Species and community structure of weeds in cotton fields in Shandong Province Screening, identification of antagonistic rhizospheric Bacillus sp. LW-6 against tobacco bacterial wilt Detection of Satsuma dwarf virus by real-time RT-PCR