The resistance of asparagus varieties to the aphid was different. According to the difference, 12 varieties have been classfied. The resistance of varieties 86- 22,Ida lea, 86- 21and 86- 13 Ida lea and 86- 22 is better, and UC- 157 and UC- 72 worse.

• 不同品种对蚜虫的抗性反应差异明显，根据这种差异，用系统聚类法对供试的12个品种（系）进行了分类，其中86－22，Idalea，86－21和86－13等品种的抗性较好，UC－157，UC－72和86－20等品种的抗性较差。