The flowers of Dendrobium nobile are dense,the color is gorgeous and the flowering season is long.It is welcomed in the southeast Asia market.In order to develop the scale production of Dendrobium nobile to satisfy the demand of domestic market,we used the stem section as explants and MS medium as primary medium to study the effect of phytohormones on the induction growth and subculture of mixed bud.The results indicated that BA?0.5?mg/L+NAA?0.1?mg/L can improve the induction of the mixed bud,BA?0.5?mg/L+2,...