The recruitment potential and the impact on copepod eggs into plankton in the Guishan Island region in the Pearl River Estuary, China Seasonal and spatial variations of nutrient and the response of phytoplankton in PRE and Adjacent Sea Areas Physio-biochemical mechanism of inhibiting senescence and soft of Cuiguan pear by infiltration of calcium Effect of iron deficiency and correcting on structure of pear leaf Studies on the relationship among the structure store resistance and quality of fruit of pear Establishment of High Frequently Regeneration System from Leaves of‘Xueqing’Pear Leaf Culture and Plantlet Regeneration of Pears with Different Genotypes ‘Yan An 2’,A New Pear Variety ‘Eli 2’ —A New Early Ripening Pear Cultivar Efects of Rootstocks on Photosynthetic Properties of Young ‘Hosui’ PearTrees under Salinity A New Early Ripening Pear Variety ‘Zaokui’ A New Pear Cultivar—— ‘Huagai rang’ A New Early Ripening Pear Variety ‘Zaokui’ A New Red Pear Variety with Higll Quality,Late Ripening and Long StorageLife‘Ym 1’ Efects of Salt Stress on Diurnal Course of Photosynthesis of Young ‘Hosui’ Pear Trees with Di仃erent Rootstock Efect of High-voltage Static Elec tric Field on Postharvest Physiology of ‘Yali’Pear Efects of Salt Stress on Diurnal Course of Photosynthesis of Young ‘Hosui’ Pear Trees with Di仃erent Rootstock Efect of High-voltage Static Elec tric Field on Postharvest Physiology of ‘Yali’Pear A New Pear Cultivar——‘Xueqing’ Study on Characteristics of Polyphenol Oxidase in Pingguoli Pear ‘Eli 1’—A Early-season Maturity Pear Variety Changes in Betaine Level in Pear, Jujube and Grapevine Leaves under WaterStress Study on Characteristics of Polyphenol Oxidase in Pingguoli Pear Studies on Inheritance Tendency of Some Characters of Pears Leaf Culture and Plantlet Regeneration of Pear (Pyrus) Studies on Inheritance Tendency of Some Characters of Pears Leaf Culture and Plantlet Regeneration of Pear (Pyrus) Effects of Green-Revertible Albino Gene on the Agronomy Traits and Appearance Quality in Rice Relationship between Concentrations of Polyamines in Filling Grains and Rice Quality Excellent Pear Germplasm Zaosu and its Utilization Pollination Characteristics and Pollen Viability Test of Different Pear Cultivars A correlate analysis of UV absorption spectra of compound Danshen tablets from different manufactures Effect and Regulation Mechanism of Branch-drooping on Flower Bud Formation of Cuiguan Pear Investigation of the Resistance to Pear Valsa Canker and the Physiological and Biochemical Characteristics in Pyrus Germplasm Change of Organic Acid Contents and Related Enzyme Activities in Different Pear Cultivars Enhancing effects of microbial fertilizer on Dangshan crisp pear quality Study on characteristics of phytoplankton community in Guangzhou segment of the Pearl River Estuary Study on background effects of urban wetland dynamics Study on phytoplankton community structure at the late stage of a Phaeocystis globosa bloom in the Pearl River Estuary Review on landscape pattern change of the Pearl River Delta based on 3S technology Planktonic Rotifers in the tidal Guangzhou segment of the Pearl River Estuary, China Study on planktonic copepods ecology in the Pearl River estuary Discussion on construction of urban forest in the Pearl River Delta Vegetation Damage by Long-term Air Pollution at a Rural Site in the Pearl River Delta in South China Effect of zinc and boron nutrition on carbon and nitrogen metabolism in leaf of balsam pear (Momordica charantia) Studies on Regularity of Accumulation and Disappearance of Starch Grains in Microsporogenesis and Malegametogenesis of Keteleeria fortunei Relationship between Male Sterlity and Change of IAA and ABA Contents in‘Niitaka’Pear A New Dwarf Rootstock of Pear‘Zhong’ai 2’ A New Self-fruitful Pear Variety ‘Zaoguan’ Relationship between Male Sterlity and Change of IAA and ABA Contents in‘Niitaka’Pear A New Largest-type Variety of Asian Pear ‘Qingxiang’ A New Largest-type Variety of Asian Pear ‘Qingxiang’ Degradation of Pollen RNA in Japanese Pear Style in Vitro Control of Black Mould Disease in ‘Yali’Pear Fruit by the Treatment withASM Induction after Harvest Studies on the Relativity Between Chi Pear (Pyrus bretschneideri) Embryo Development and Its Flowering, Fruiting Identification of Quantitative Trait Loci for Grain Appearance and Milling Quality Using a Doubled-Haploid Rice Population THE EFFECT OF FERTILIZER-N APPLIED At DIFFERENT TIME TO "YALI" PEAR Stability Analysis for Appearance Qualities of Rice Cultivar Cloning and Expression Analysis of an Anthocyanin-related Transcription Factor Gene PyMYBa in Pear Cloning and Expression Analysis of an Anthocyanin-related Transcription Factor Gene PyMYBa in Pear Effects of Postharvest Heat and Calcium Treatments on Calcium Fractions and Cell Wall Metabolism of‘Huangguan’Pear Fruit A New Later-maturing Pear Cultivar‘Panguxiang’ A New Later-maturing Pear Cultivar‘Panguxiang’ Effects of Endogenous Hormone,Carbon and Nitrogen Nutrition on Development of Wizened Bud in‘Yulu Xiangli’Pear Isolation and Analysis of PcAHS Gene and Its Promoter from Dwarfing Rootstock‘Zhongai 1’Pear Screening of SNP Markers Tightly Linked to PcDw Locus Determining Pear Dwarf Trait Using HRM Technology Development of a Size Measurement System for Pear Fruit Based on Image Processing Technology UPLC–PDA–MS/MS–ESI Analysis of Phenolic Compounds in Fruits of Dangshan Suli and Qiubaili Pears(Pyrus bretschneideri) A New Pear Dwarfing Rootstock Cultivar‘Zhongai 5’ Interspecific Relationships among the Dominant Weeds Species of Tobacco Field in Guizhou Province Landscape ecological security assessment based on projection pursuit: a case study of nine cities in the Pearl River Delta Comparison of the Characters and Distribution of Vessel Elements in Xylem Among Three Main Pear Rootstocks in China Spatial and temporal variation of picophytoplankton in the Pearl River Estuary Study on characteristics of net photosynthetic rate of two kinds of tree shape and Impact Factors in Korla fragrant pear Effects of the different organic fertilizers on growth,photosynthetic characteristics and quality of Pear-jujube of in the Loess Plateau Study on the Stage of Latent Infection and Regularity of Development of the Pear Ring Rot Disease after Postharvest Expression of Auxin-repressed Protein Gene in ‘Dangshansuli’ Pear Leaves with Different Degrees of Iron-deficiency Effect of 1-MCP and CO2 Treatments on Energy Metabolism Characteristics of ‘Nanguo’ Pear Fruits during Shelf Life after Cold Storage Cloning and Expression Analysis of a Choline Monooxygenase Gene in Pyrus betulaefolia Bunge under Abiotic Stress A New Pear Cultivar‘Hanyali’