blister rust

blister-rust的词性：
n.（名词）

1. Any of several diseases of pine trees caused by certain fungi of the genus Cronartium, resulting in conspicuous blistering and often dieback of affected areas.
疱状锈病：由柱锈菌 属的某种真菌引起的一种松树疾病，会导致明显疱状突起和通常染病地区的坏死