citrus canker

citrus-canker的词性：
n.（名词）

1. A destructive bacterial disease of citrus plants that attacks seedlings and mature plants and causes defoliation and death.
柑橘溃疡病：柑橘的破坏性细菌病害，其侵害柑橘树树苗和成树并导致落叶和死亡