Using the leaves of walnut Yangbi variety(Juglans sigillata) of different growing stage as the experimental materials, the genomic DNA extraction effect of two methods namely high salt and low pH and modified CTAB was compared.

• 以漾濞核桃不同生长期的叶片为材料,采用高盐低pH法和改良CTAB法作提取其基因组DNA的效果比较实验。