In order to accelerate the molecular biology research of Lilium asiatic hybrids, DNA of Lilium asiatic hybrids was extracted from the fresh leaves by CTAB. The optimized reaction system for Lilium asiatic hybrids are as follows.

• 为了促进亚洲百合分子水平的研究,以亚洲百合幼嫩叶片为材料,采用改良CTAB法提取亚洲百合基因组DNA,得到的DNA质量较高,适合于RAPD-PCR分析。