METHODS Five different landing races of Morinda officinalis were analyzed by molecular biological technique-random amplified polymorphic DNA(RAPD) and HPLC fingerprintint technique respectively.

• 方法利用分子生物学技术中随机扩增多态性DNA(RAPD)技术和HPLC技术对不同农家类型的巴戟天进行内在质量的分析。