采用聚丙烯酰胺凝胶电泳方法，测定新品种“安农水蜜”等十个桃品种花蕾中的过氧化物酶、酯酶和淀粉酶同工酶谱特征。根据模糊数学择近原则，综合上述三类同工酶酶谱差异，对“安农水蜜”的起源进行同工酶酶谱模糊识别研究，并结合果实性状分析，确证“安农水蜜”是“砂子早生”的自然变异。同时，为同工酶模糊识别研究应用提供了证据 Polyacrylamide gel electrophoresis was used to determine peroxidase, esterase and amylase isozyme characteristics of ten peach cultivars such as “Annong water honey”. According to the principle of proximity selection of fuzzy mathematics, the differences of the zymogram of the above three kinds of isozymes were comprehensively studied, and the isozyme zymogram identification was made on the origin of “Annong water nectar”. Combined with the analysis of fruit traits, Natural variation of sand early life. At the same time, it provided evidence for the research and application of isozymes fuzzy recognition