Subordinate function analysis suggested that the tolerance of test willow clones to soil Cd contamination was in order of Salix C>Salix 2>Salix 1>Salix matsudana>Salix E.

• 采用隶属函数对5个无性系在镉胁迫条件下的生长和酶指标进行综合分析，不同无性系对土壤镉污染的抗性顺序为能柳C>能柳2>能柳1>旱柳>能柳E。