MORPHOLOGICAL AND ANATOMICAL STUDIES ON THE SEEDLING IN CALENDULA OFFICINALIS LINN. The Factors Affecting Genetic Transformation of Soybean Cotyledon Node Mediated by Agrobacterium tumefacions ANATOMICAL STUDIES ON THE PRIMARY VASCULAR SYSTEM OF THE SEEDLING OF GARIDILIA MAGELLASTRUM(RAUNCULACEAE) NAATOMICAL STUDIES ON THE PRIMARY VASCULAR SYSTEM OF THE SEEDLING OF DELPHINIUM GRANDIFLORUM Anatomical Study on the Primary Vascular System of Seedling of Catalpa ovata THE THEORY OF COTYLODON NODE ZONE AND THE EVOLUTION OF THE STRUCTURE OF WOOD Transformation of RNAi Vector in Cucumber (Cucumis sativus) In Vitro by Agrobacterium tumefaciens-mediated Transfection Establishment of the Regeneration System of Cotyledonary Node and Genetic Transformation of Pti4 Gene in Cowpea Zonation of Seedling of Beta vulgaris and Its Location of Fleshy Tap Root ANATOMICAL STUDIES ON THE PRIMARY VASCULAR SYSTEM OF THE SEEDLING OF SOLANUM MELONGENA L. ANATOMICAL STUDIES ON THE PRIMARY VASCULAR SYSTEM OF THE SEEDLING OF ADONIS AESTIVALIS L MORPHOLOGICAL EVOLUTION AND ORIGIN OF THE VASCULAR PLANTS VIEWED FROM THE TELOME THEORY, STELAR THEORY AND COTYLEDON NODE ZONE THEORY Improvement of Cotyledon Node Regeneration System in Soybean(Glycine max)