Studies of Somatic Embryo via Cotyledon Induction in Cucumis melon L.‘Hetao’ Culture of hairy roots in Solanum lyratum and determination of diosgenin STUDIES ON DISEASE RESISTANCE FOR THE PROGENY OF RICE PLANTS REGENERATION WITH TISSUE CULTURE TREATED BY THE CULTURE FILTRATES OF XANTHOMON AS CAMPESTRIS PV.ORYZAE Tissue Cultures of Four Rhodiola Species Establishment of High-frequency Regeneration System from Leaves and Stems of Pueraria lobata Effect of Various Hormones with Different Concentration Ratios on the Regeneration Plant from Tender Petioles of Rosa marretii Levl. Feasibility Study on Domestic Rupture Disk Replaced Imported One in Particle Bombardment Studies of Somatic Embryo via Cotyledon Induction in Cucumis melon L.‘Hetao’ Somatic Embryogenesis and Plant Regeneration from Suspension Anther Cell of Lycium barbarum Development of genetic transformation system and transformation ofactive fibroblast growth factor (aFGF) in Carthamus tinctorius