An improved CTAB method was used to isolate RNA from an apomixis ramie(Boehmeri.tricuspis(Hance) Marino). The electrophoresis on 1.2%agar and absorbency of 260 and 280nm both showed that the RNA was intact and had a high efficiency.

• 应用改良CTAB法提取苎麻属野生种悬铃叶苎麻(Boehmeri.；tricuspisH(ance)Marino)的花序RNA；通过1