Random amplified polymorphic DNA(RAPD)and inter simple sequencerepeat(ISSR) methods were applied to detect genetic variation of three kinds of Gentianas source of Northeast area.

• 研究东北产药材龙胆的鉴别方法及其亲缘关系,用分子生物学技术对东北产药材龙胆的3个不同品种进行了DNA提取和RAPD及ISSR分析。