AN ULTRASTRUCTURAL STUDY ON CELLS WITHIN MERISTEMATIC REGIONS IN CALLUS CULTURES OF STEVIA REBAUDIANA ON DIFFERENTIATING MEDIUM Embryonic Callus Induction and Plant Regeneration of Lilium fargesii A Preliminary Study on Direct Regeneration of Flower Buds from Peduncle Calli in Dracaena fragrans cv. massangeana Somatic Embryogenesis and Plantlet Regeneration in Mature Zygotic Embryos of Picea meyeri Factors Affecting pH Changes of in Vitro Media Isolation and Characterization of a Chinese Aneurolepidium Cell Line Resistant to Hydroxyproline Establishment and Optimization of plant regeneration of Hybrid larch(L.gmelinii 10×L.kaempferi 13) Rapid Propagation and Regeneration System of Populus simonii×Populus nigra Tissue Culture System of Muscari botryoides Mill Leaf and Flower Organs Regeneration System for Axillary Bud of Juglans mandshurica Maxim. STUDY ON CHANGES OF CARBOHYDRATES CONTENT AND ACTIVITIES OF AMYLASE AND SUCRASE IN MORP HOGENESIS OF CULTURED FRITILLARIAE PALLIDIFLORAE EMBRYOGENESIS IN TISSUE DERIVED FROM YOUNG LEAF OF AVENA NUDA STUDIES ON TECHNIQUEs OF CLONAL PYOPAGATION IN VINE STUDIES ON THE TISSUE CULTURE OF PHYSALIS PERUVIAM L. CALLUS INDUCTION AND PLANT REGENERATION FROM LEAVES AND STEM SEGMENTS OF IN VITRO SHOOTS OF ACTINIDIA ARGUTA THE STUDY ON THE BUD CULTURE AND PLANT REGENERATION OF HEISHANJINZAO (ZIZYPHUS JU JU BA CV.) Proliferation and Stability of the Regenerated Plantlets from the Embryogenic Callus of Tripterygium wilfordii Tissue Culture and Rapid Propagation of Corylus heterophylla In Vitro Culture and Plant Regeneration System of Taxodium mucronatum Change of Endogenous Plant Hormones of Vitrificated Plants of Hybrid Aspen by Tissue Culture Tissue Culture Technique of Taxus media ‘Hecksii’ Study on the Tissue Culture of Gentiana rigescens Franch. ex Hemsl. by Fourier Transform Infrared Spectroscopy Effects of Different Concentrations of Organic Affixture on the Growth and Secondary Metabolites Contents in Adventitious Roots of Tripterygium wilfordii Effects of Browning Inhibitors on Callus Growth and Secondary Metabolites Production in Tripterygium wilfordii Hook f. Tissue Culture of Male and Female Trichosanthes kirilowii Maxim Studies on Tissue Culture and Rapid Propagation Technique of Limnophila sessiliflora BI. Optimization in vitro culture conditions for Gymnema sylvestre Condition optimization for tissue culture of Arachis duranensis Tissue culture of Tripterospermum discoideum ULTRASTRUCTURAL CHANGES OF CHLOROPLAST DURING CALLUS INDUCTION IN LEAF EXPLANTS OF STEVIA REBAUDIANA BERTONI A STUDY ON TISSUE CULTURE AND RAPID PROPAGATION OF PHALAENOPSIS HYBRIDS Studies on Anther Culture of Lily Establishment of tissue culture and rapid propagation system of Typhonium flagelliforme Study on Production of Allochtonic Formations in Callus Cells of Salvia miltiorrhiza Bge. Studies on Tissue Culture and Rapid Prolmgation of pinellia ternata (Thunb. ) Breit. Establishment of plantlet regeneration system for Aconitum carmichaeli Establishment of asexual multiplication system of Arnebia euchroma Application of biotechnology in studies of medicinal plants Dendrobium Sw. Selecting new species of Dioscorea zingiberensis contained high saponin by tissue culture Advances in studies on plant cell engineering applied to Chinese herbal medicine Effects of NaCl on seed germination and seedling growth of Halocnemum strobilaceum Development of a plant regeneration system via tissue culture in Puccinellia tenuiflora APD ANALYSIS OF GENETIC RELATIONSHIP OF STRAWBERRY CULTIVARS  AND ITS DIFFERENT SUBCULTURED PLANTLETS IN VITRO Primary Study on Polyploid of Dendrobium Hybrid Induced by Colchicines SCREENING OF RESISTANT MUTANT INDUCED BY γ-RAYS IRRADIATION TO RICE BLAST EFFECTS OF CONDITION IN VITRO ON THE IRRADIATION SENSITIVITY OF SCALES CALLUS INDUCTION AND PLANT REGENERATION IN Haloxylon ammodendron Establishment of an Efficient Regeneration System of Populus cathayana Rehd.var. Qinghai Tissue culture of Lilium wardlii Optim iza tion of Tissue Culture Conditions and Establishmentof Regenera tion System for Popu lus ×eu ram e ricana cl.‘J2’ In vitro Culture and Shoot Regeneration from Leaves and Petioles of Broussonetia papyrifera Effect of High Level of 6-BA on the Endogenous Hormones Level Changes in the Vitrification Seedling of Prunus cerasus Selection of in vitro Buds of Two Rattan Species for Elongation and Rooting Selection of Appropriate Explants for Multiplication,Shoot and Root Induction in Tissue Culture of Daemonorops margaritae Studies on the Tissue Cultue of Pinus taeda, P.elliottii and P.serotina Studies on Optimizing Production of Wasabi Plantlet In Vitro Culture of Unfertilized Ovules in Phalaenopsis Studies on Optimizing Production of Wasabi Plantlet Studies on Regenerating Bulblets from Tissue Culture of Tulip Studies on Regenerating Bulblets from Tissue Culture of Tulip Estabilishnent of Embryo Culture Technical System of Chinese Jujube ( Zizyphus jujuba Mill. ) Progress on Orchid Breeding Study Tissue Culture and High Frequency Propagation of Callistemon rigidus R. Br Estabilishnent of Embryo Culture Technical System of Chinese Jujube ( Zizyphus jujuba Mill. ) Progress on Orchid Breeding Study Tissue Culture and High Frequency Propagation of Callistemon rigidus R. Br Callus Induction and Plant Regeneration of Rosa hybrida ‘Samantha’ Tissue Culture of Altemanthera ficoidea ‘Ruliginosa’Leaf Explants and ItsPlantlet Regeneration Studies of Antibrowning in the Tissue Culture of Phalaenopsis Plant Tissue Culture for 8 Pagoda Tree Var ieties of Papilionoideae and Effects of Genotypes on Regeneration Ability Improving of in vitro Plant Regeneration Frequency of Rosa canina ( Rosaceae) Inermis Study on Stem-tip Tissue Culture of the Traditional Chinese Medicine Chrysanthemum morifolium Tissue culture and clonal propagation of Gastrodia elata Studies on tissue culture of Lil ium brownii var. viridulum Establishment of plantlet regeneration system of Rubus idaeus Application of Orthogonal Design in Tissue Culture of Tuber Fleeceflower(Polygonum multiflorum) Studies on tissue culture of Dendrobium lituiflorum Study on tissue culture of pasqueflower Studies on petal tissue culture of the traditional Chinese medicine Chrysanthemum morifolium Progress on research of tissue culture of Siraitia grosvenorii