EFFECTS OF DIFFERENT AUXINS AND COMBINING APPLICATION WITH ABA ON REGENERATION OF IMMATURE EMBRYOS OF WHEAT Tissue culture regeneration and genetic transformation of Coptis chinensis Somatic Embryogenesis and Plant Regeneration from Mature Embryo Explants in Quercus acutissima Carr. IMPROVEMENT OF PLANT REGENERATION FROM CYCLIC SECONDARY SOMATIC EMBRYOS IN CASSAVA (MANIHOT ESCULENTA CRANTZ) Studies on the Vigor of Carrot Somatic Embryos Enhanced by Desiccation Transformation of Maize Immature Embryos with Trehalose Synthase Gene THE COMPARISON OF THE DYNAMIC CHANGES OF ENDOGENOUS HORMONES IN CALLUS BETWEEN MATURE AND IMMATURE EMBRYOS OF MAIZE Histological Stud ies of Somatic Embryogenesis in Eruca sativa Mill. Comparison of Three Non-tissue Culture Plant Transformation Approaches Regeneration culture from bombarded immature embryos of wheats and transgenic plant Histocytology Observation on the Somatic Embryogenesis in Ananas comosus Callus Effects of Maltose,NAA and ABA on Somatic Maturation and Radicle Rooting of Larix principis-rupprechtii Studies on the Changes of Endogenous Hormones during the Course of Regeneration from Allium fistulosum L. Mature Embryos Culture STUDIES ON SOMATIC EMBRYOS INDUCTION IN SOYBEAN(GLYCINE MAX.L) REGIONAL SOMATIC EMBRYOGENESIS FROM IN VITRO APPLELEAF AND ARTIFICIAL SEED OF APPLE Somatic Embryogenesis of Picea asperata Induced from Immature Embryos Studies on Cultring the Embryo of Tripterygium hypoglaucum(Level.)Hutch.in Vitro Callus Induction and Plant Regeneration of Prunus campanulata Developmental Changes in the Free Amino Acid Pool of Rice(Oryza sativa L. subsp, japonica) Bmbryos Adventitious Bud Induction and Plantlet Regeneration in vitro from Mature Zygotic Embryos of Ponderosa Pine Study on the factors of wheat mature embryos culture and plant regeneration Embryosac Development of‘‘‘‘ Tosa-Buntan‘‘‘‘ Pummelo [Citrus grandis (L.) Osb. ] and Generational Chromosome in Somatic Cells Somatic embryogenesis from petiole in Eleutherococcus senticosus Histocytology Observation on the Somatic Embryogenesis in Ananas comosus Callus Somatic Embryogenesis and Plantlet Regeneration from Callus of Mature Zygotic Embryos of Masson Pine STUDY ON PHYSIOLOGICAL AND BIOCHEMICAL CHARACTERISTICS OF CASTANEA HENRYI SEEDS AFTER CRYOPRESERVATION SYNCHRONIZATION OF SOMATIC EMBRYOGENESIS IN COPTIS CHINENSIS F. Factors Influencing the Regeneration Frequency of Mature Embryo-derived Callus in Hsien Rice Cultivars (Oryza sativa L.) CHARACTERIZATION OF SEVERAL ISOZYMES FROM EMBRYOGENIC CALLI AND SOMATIC EMBRYOS AT DIFFERENT DEVELOPMENTAL STAGES OF GENTLANACRASSICAULIS DUTHIE EX BURKILL Cytological Observation on Culture of Embryo in Vitro of Tripterygium hypoglaucum Genetic Transformation of the Trichoderma Endochitinase Gene ThEn-42 to Somatic Embryos of English Walnut Plant Regeneration from in Vitro Adventitious Roots of Chinese Cherry‘Duiyingtao’( Prunus pseudocerasus) Plant Regeneration from in Vitro Adventitious Roots of Chinese Cherry‘Duiyingtao’( Prunus pseudocerasus) Desiccation Somatic Embryos of Transgenic Alfalfa Plantlets Regeneration from Immature Embryos and Cotyledons of Peach Study of Cryopreservation on Cinnamomum cassia Excised Embryos Establishment and Optimization of plant regeneration of Hybrid larch(L.gmelinii 10×L.kaempferi 13) Somatic Embryogenesis from Immature Embryos of Larix kaempferi Study on Tissue Culture of Dendrocalamus sinicus Organogenesis and Somatic Embryogenesis from Mature Zygotic Embryos of Cunninghamia lanceolata Callus culture of embryos in Sophora japonica and analysis on isoflavones content Studies on the Changes of Endogenous Hormones during the Course of Regeneration from Allium fistulosum L. Mature Embryos Culture Changes of the Biosynthesis of IAA and Its Oxidase and Macromolecules in Pinus massoniana Embryos Cultured in Vitro during Germination Study on Influencing Factors of Mature Embryos of Wheat by Particle Bombardment Occurrence and Control of Abnormal Somatic Embroys in Saposhnikovia divaricata Tissue Culture STUDY ON IN VITRO CULTURE OF IMMATURE EMBRYO OF FRAXINUS MANDSHURICA SOMATIC EMBRYOGENESIS AND PLANT REGENERATION FROM AXES OF PEANUT EMBRYOS