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Factors that Influence in vitro Plant Regeneration of Photinia fraseri Cytohistological Studies on the Callus Genesis and Meristematic Nodule Formation of Paeonia×lemoinei ‘Golden era’ Callus Induction and Differentiation of Mature Embryos of Wheat Anther culture and plant regeneration of Robinia hispida Tissue culture and plant regeneration of Peganum harmala Studies on tissue culture of Corydalis adunca and contents of alkaloid Studies on embryogenesis and embryo growth process of the root callus in wheat ( Triticum aestivum L.) CRYOPRESERVATION OFAPRICOT CALLI PLANT REGENERATION FROM CALLUS PROTOPLASTSOF LOTUS CORNICULATUS L. Selection and Characterization of High pH Resistant or Salt Resistant Variants from Haploid Triticale callus (n=28) Induction of Embryogenic Callus and Histocytological Study on Embryoid Development of Angelica sinensis (Oily.) Diels Callus Induction and Plant Regeneration from Embryo of Elaeis guineenis Jacq Changes of the CN-resistant Respiration in Callus Cultures of Nicotiana tabacurn during the Period of Differentiation Anther Factor(s) in Barley Anther Culture Studies on Anti-Browning During Tissue Culture of Musella lasiocarpa PRELIMINARY STUDIES ON THE APPLICATION OF MUTAGENS AND IN-VITRO TECHNIQUES TO RICE SEEDS FOR INDUCTING SALT TOLERANT MUTANTS THE MUTAGENIC EFFECT ON THE SUGARCANE CALLUS IRRADIATED WITH ~(60)Co-γ RAYS INFLUENCE OF CALLUS IRRADIATION WITH ~(60)CoγRAYS ON THE CELL ULTRASTRUCTURE OF WHEAT STUDY ON RADIATION SENSITIVITY AND INFLUENCE OF GAMMA- RAY TREATMENT ON CALLUS INDUCTION FROM MATURE SEEDS OF TALL FESCUE DROUGHT TOLERANT AND MALE STERILE MATERIAL SCREENING FROM MAIZE CALLUS MUTATED BY γ-RAY AND SODIUM AZIDE THE VARIATION OF SALT TOLERANCE INDUCED BY EMS FROM DIFFERENT STRAWBERRY TISUES Induction and Regeneration of Callus Initiated from Young Leaves of Maize Studies on tissue culture and micropropogation of Bougainvillea glabra Study of tissue culture techniques on depoison test-tube-plantlet of Elaeagnus mollis The callus induction and plant regeneration of wheat mature embryos under osmotic stress Effect of lighting on the biosynthesis of Alkaloid in the calli of Saussurea medusa Establishment of a high efficient regeneration system in vitro and transformation mediated by Agrobacterium rhizogenes in Buckwheat (Fagopyrum esculentum) The somatic embryogenesis and its histological characteristics of Zizyphus jujuba Mill. Studies on differentiationpotential and chromosome stability of embryogenic callus in subcultures of Picea meyeriRehd.et Wils. Transferring exogenous gene into embryogenic callus of Lycium barbarum L.by neutron beam Study on the callus induction and plantlet regeneration from the bulbil of Dioscorea opposita Dynamic changes in respiratory pathway during the growth and senescence of tobacco callus,gansu yellow flower Proliferation and Stability of the Regenerated Plantlets from the Embryogenic Callus of Tripterygium wilfordii Effects of Different Medium Types and Plant Growth Regulator Combinations on Accumulation of Triterpenoids in Birch (Betula platyphylla) Calli Somatic Embryogenesis and Plantlet Regeneration of Tripterygium wilfordii Effects of Soil Water on the Growth of Callus and Bark Regeneration in Eucommia ulmoides CHANGES OF POD AND SOD ACTIVITIES DURING ADVENTITIOUS ROOT AND BUD DIFFERENTIATION IN ASPARAGUS OFFICINALIS L. PLANT REGENERATION FROM CALLUS PROTOPLASTS OF MEDICAGO SATIVA SSP. SATIVA Establishment of Effective Regeneration System of Brassica napus L.in vitro Isolation,Culture and Plant Regeneration of Protoplasts from an Embryogenic Callus Tissue of Gossypium hirsutum Effects of Blue Light on Callus Growth and Respiration in Hypocotyl of Mung Bean Plasmalemma Invaginations in Cultured Callus of Stevia rebaudiana: Ultrastructure and Ultracytochemical Localization of Acid Phosphatase Effects of KCN and NaN3 Pretreatment on the Cyanide-Resistant Respiration in Tobacco Callus Callus Formation at Graft Interface in Ginkgo biloba L. Responses of calluses of Poncirus Trifoliata to calcareous stress Effect of Various Hormones with Different Concentration Ratios on the Regeneration Plant from Tender Petioles of Rosa marretii Levl. Somatic Embryogenesis from Mature Zygotic Embryo Explants of Sorbus pohuashanensis Hedl Induction of Embryogenic callus and Somatic Embryogenesis of Juglans mandshurica Maxim. Establishment and Optimization of Agrobacterium-mediated Transformation of Suspension Embryogenic Callus of Alfalfa Effect of Sodium Nitroprusside on Lipid Peroxidation and Antioxidant Enzyme Activity of Nitraria tangutorum Bobr. Callus Factors Affecting Induction of embryogenic callus of Larix gmelinii 节节麦×普通小麦杂种的胚援救和胚愈伤组织再生植株 EMBRYOGENESIS IN TISSUE DERIVED FROM YOUNG LEAF OF AVENA NUDA SOMATIC EMBRYOGENESIS FROM TISSUE CULTURE OF Fritiilariae pallidiflorae AND CYTOHISTOLOGICAL OBSERVATION 福录考的组织培养研究——Ⅱ.叶外植体的愈伤组织及器官发生的细胞学观察 CHANGE OF THE ENDOGENOUS IAA AND ZT AS WELL AS THEIR EFFECTION IN GROWTH AND DIFFERENTIATIO OF STUDY OF ORGANOGENESIS ON WHEAT CALLUS OF PLANT EXTRACT THE ESTABLISHMENT OF REGENERANT-DERIVED SOMACLONES FROM COTYLEDONS AND HYPOCOTYLS OF BRASSICA NAPUS Induction of callus and plant regeneration of Zizyphus jujuba Mill. Embryogeniccallus induction and somatic embryo formationfrom hypocotyl explants of Lathyrus maritimus Study on asymmetric somatic hybridization between common wheat(Triticum aestivum) and maize(Zea mays) Somatic Embryogenesis of Picea likiangensis Establishment of High Efficient Regeneration System of Perennial Ryegrass and PEPC Gene Transformation Mediated by Agrobacterium tumefaciens Callus Induction and Differentiation of Xinjiang Medicago falcata L. Tissue Culture and Regeneration of Red Clover New Line Lysozyme-GFP Dual Gene in the Transformation in Callus of Alfalfa Screening of Embryogenic Callus from Hybrid F₁ of Caucasian Clover×White Clover Study on Plant Regeneration from Midnight Ⅱ Suspension Culture of Endosperm Callus Cell and Amitosis In Vitro Effects of Physical and Chemical Factors on Callus Growth and Shikonin Derivative Formation in the Callus Cultures of Arnebia euchroma Establishment and Characterization of Haploid Suspension Cells in Supersweet Maize Callus Regeneration from Protoplasts of Panax ginseng Studies on the CN-resistant Respiration in Callus of Nicotiana rustica, Gansu Yellow Flower Construction and primary authentication for cDNA library of Aquilaria sinensis incuced by methyl jasmonate Callus induction and content variation of major active constituents of Magnolia officinalis subsp. biloba Induction, proliferation, and differentiation of Bletilla striata callus Effects of plant growth substances on induction and culture of callus from Rhodiola quadrifida Studies on plantlet regeneration from the mature leaves of Dioscorea zingiberensis EFFECT of  60Co γrays IRRADIATION ON PLANT REGENERATION  FROM CALLUS of SEA DALLISGRASS (Paspalum vaginatum Sw.) CALLUS INDUCTION AND PLANT REGENERATION IN Haloxylon ammodendron