Applying an improved CTAB method to extract DNA from leaves of Osmanthus fragrans, studied the classification and identification of 17 Osmanthus fragrans cultivars in Henan province by the technique of random amplified polymorphic DNA(RAPD).

• 采用改良CTAB法提取河南 17个桂花品种的基因组DNA ,利用RAPD技术对其进行鉴定和分类研究。