Histocytology Observation on the Somatic Embryogenesis in Ananas comosus Callus Callus Induction and Plant Regeneration of Prunus campanulata Tissue culture regeneration and genetic transformation of Coptis chinensis REGIONAL SOMATIC EMBRYOGENESIS FROM IN VITRO APPLELEAF AND ARTIFICIAL SEED OF APPLE Desiccation Somatic Embryos of Transgenic Alfalfa Studies on the Vigor of Carrot Somatic Embryos Enhanced by Desiccation Somatic embryogenesis from petiole in Eleutherococcus senticosus Histocytology Observation on the Somatic Embryogenesis in Ananas comosus Callus CHARACTERIZATION OF SEVERAL ISOZYMES FROM EMBRYOGENIC CALLI AND SOMATIC EMBRYOS AT DIFFERENT DEVELOPMENTAL STAGES OF GENTLANACRASSICAULIS DUTHIE EX BURKILL Effects of Maltose,NAA and ABA on Somatic Maturation and Radicle Rooting of Larix principis-rupprechtii SYNCHRONIZATION OF SOMATIC EMBRYOGENESIS IN COPTIS CHINENSIS F. SOMATIC EMBRYOGENESIS AND PLANT REGENERATION FROM AXES OF PEANUT EMBRYOS 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) Somatic Embryogenesis of Picea asperata Induced from Immature Embryos Somatic Embryogenesis from Immature Embryos of Larix kaempferi Histological Stud ies of Somatic Embryogenesis in Eruca sativa Mill. IMPROVEMENT OF PLANT REGENERATION FROM CYCLIC SECONDARY SOMATIC EMBRYOS IN CASSAVA (MANIHOT ESCULENTA CRANTZ) Occurrence and Control of Abnormal Somatic Embroys in Saposhnikovia divaricata Tissue Culture STUDIES ON SOMATIC EMBRYOS INDUCTION IN SOYBEAN(GLYCINE MAX.L)