Studies on the Histology and Ultrastructure of the Initiation of Rhizoids and Protocorm-like Bodies(PLBs)Induced from the Leaf Explants of Rosa canina Cluster shoots induction from root-tip segments of Dendrobium officinale Effect of Fast Neutron Radiation on the Proliferation and Differentiation of Protocorm-like Bodies and Seedlings Stem Segments of Phalaenopsis ESTABLISHMENT OF GENETIC TRANSFORMATION SYSTEM IN PROTCORM LIKE-BODY (PLB) of Rosa canina Dynamic variation of biomass and content of polysaccharide and alkaloid in protocorm like bodies from Dendrobium officinale at different light intensities and incubation time A Study on Aseptic Seed Germination of Interspecific Hybrid between Cymbidium hybrida × C. sinense and C. faberi Effect of different culture conditions on protocorm-like bodies of Dendrobium candidum in bioreactor culture A Study on Aseptic Seed Germination of Interspecific Hybrid between Cymbidium hybrida × C. sinense and C. faberi EFFECTS OF 60Co γ-RAYS ON CELL GROWTH AND ALKALOID ACCUMULATION OF PROTOCORM-LIKE BODIES IN SUSPENSION CULTURES FROM D.HUOSHANENSE EFFECTS OF NITRIC OXIDE ON ENDOGENOUS HORMONES AND ALKALOIDS PRODUCTION OF Hybrid dendrobium PLBs THE CHANGES OF ANTIOXIDANT ENZYME ACTIVITIES AND SOLUBLEPROTEINS DURING DIFFERENTIATION OF SHOOTS AND ROOTS FROM PROTOCORM-LIKE BODIES (PLBs) IN Dendrobium nobile in vitro Rapid Propagation of Cymbidium kanran Makino Selection and Identification of Resistant PLBs and Transgenic Plants Mediated by Agrobacterium tumefaciens with Antisense ACS Gene in Dendrobium spp. Dynamic variation of biomass and content of polysaccharide and alkaloid in protocorm like bodies from Dendrobium officinale at different light intensities and incubation time Studies on the Histology and Ultrastructure of the Initiation of Rhizoids and Protocorm-like Bodies(PLBs)Induced from the Leaf Explants of Rosa canina