Based on the isozymogram of esterase of polyacrylamide electrophoresis, the heredity difference of the Anhui native varieties of mulberry could be classified into four categories which had the same origin and the similar characters.

• 依据桑树冬芽的酯酶同工酶聚丙烯酰胺凝胶电泳技术得到的谱带图对安徽省17个地方桑品种进行聚类分析比较其遗传差异，并把这些品种分为4类，各类型具有来源相近且具有某些形态特征相近的特点。