Agrobacterium-Mediated Genetic Transformation of AtTIP5;1 Gene into Saintpaulia ionantha The Promntive Effects of Ginseng on Rapid C1onal In Vitro Propagation of African Violet (Saintapulia tonantha Wendl.) Isolation and sequence analysis of two CYC-like genes, SiCYC1A and SiCYC1B, from zygomorphic and actinomorphic cultivars of Saintpaulia ionantha (Gesneriaceae)