THE VARIATION OF STEVIA REBAUDIANA BERTANI QUANTITY CHARACTER AND RELATIONS TO THE YIELD THE HEREDITARY VARIATION AND SELECTION ON SUGAR BEET CHARACTERS Cytogenetic Studies on Barley Plants Regenerated from Immature Embryo Culture and Their Progenies VARIATIONS IN TRACHEID FORMAL FEATURES OF PINUS TABULAEFORMIS CARR STUDIES ON THE CHARACTER VARIATIONS OF THE JUVENILE FOREST OF PINUS ARMANDI IN PROVENANCE TESTS ANALYSIS AND EVALUATION OF SOIL WATER CONDITIONS OF PROTECTIVE FOREST ECOSYSTEM IN LOESS AREA Nutrition qualitative analysis and verification of colorful wheat variant offsprings produced by exogenous DNA introduction Preliminary Study of Trait Variations in the Progenies of Inbred Maize Lines×Zea luxurians Photosynthetic Characteristics of Sinocalycanthus chinensis Leaves under Drought Stress Diurnal Dynamics of Photosynthetic Parameters in Leaves of Angelica sinensis and Its Relation to Environmental Factors Photosynthetic and Water Use Efficiency Characteristics of Two Annuals under Drought Stress in Korqin Sandy Land A New Plum Cultivar‘Xingxiang Hongxian’ A New Mango Cultivar‘Yunre-5006’ A New Mango Cultivar‘Yunre-5007’ Recent Advances in Viruses Infecting Grapevine Biotechnological Approaches to Improvement of Triploid Bermudagrass for Abiotic Stress Tolerance Leaf Morphology Characteristics and Variation Analysis of Chinese Registered Alfalfa Varieties Photosynthetic Characteristics of Lespedeza tomentosa and Influencing Factors The Major Characters Apperance of Parents in the Triple Hybrid in Muskmelon NUMERICAL ANALYSES OF ISOZYME VARIATION WITHIN AND AMONG THE POPULATIONS OF DEUTZIA MULTIRADIATA EFFECTS OF CHEMICAL MUTAGENS ON THE INDUCTION AND THE DIFFERENTIATION OF POLLEN CALLUS AND CHARACTER VARIATIONS OF POLLEN-PLANTS IN RICE Investigation on Quality Difference between Cordyceps of Sichuan and Those of Xizang Feeding ecology of Lophius litulon in the south of Yellow Sea Temporal and spatial variations of soil respiration in Pinus tabulaeformis forest at Huoditang forest zone in the Qinling Mountains, China Spatio-temporal variations in the starting dates of growing season in China’s cropland over the past 20 years The responses of soil microbial taxonomic diversity on vegetation communities and seasons in karst area Characteristics of soil nutrients of different vegetation types in the Three Gorges reservoir area Spatio-temporal variation and associated affecting factors of soil pH in the past 20 years of Jiangsu Province, China Spatial variability and prediction of soil nutrients in a small catchment of the Loess Plateau A multivariate analysis of variability of phytoplankton distribution in Xiamen seas during summer bloom period The hydraulic architecture of three Caragana species and its relationship with environmental factors in different habitats of the Inner Mongolia Plateau RAPD analysis of genetic diversity of Sargentodoxa cuneata at different altitude and the influence of environmental factors Researches on the relationship between the morphological and genetic variations of Dipteronia dyeriana Henry (Aceraceae) Diurnal variation of soil respiration in soil-potted with soybean (Glycine max L.) at various growth stages and its affecting factors Variation of endogenous hormones in formation of microtubersof Pinellia ternata in vitro Study on electrophoretogram of Magnolia officinalis seeds from different locations Numerical analysis of morphological variation of germplasm resources of Chrysanthemum morifolium for medicine Analyzing Parameters of Height-Age Models for Open-Pollinated Japanese Larch Families Phenotypic Variation in Natural Populations of Betula alnoides in Guangxi, China Study on Genetic Variation and Selection of Dry Trunk Weight in Alnus cremastogyne