In this research, the genomic DNA was extracted from the fresh young leaves of some drupe trees, the results showed that the improved SDS method was the best for DNA extraction.

• 采用改良SDS法提取油桃的幼叶、花蕾和韧皮部基因组DNA的效果表明，三者均可以作为基因组DNA提取的材料，且以幼叶效果最理想；