根こん頭とう癌がん腫しゅ

noun

crown gall

A plant disease caused by the bacterium Agrobacterium tumefaciens, characterized by tumor-like growths at the crown (junction of root and stem).

• 根こん頭とう癌がん腫しゅは果か樹じゅに大おおきな被ひ害がいを与あたえることがある。

  Crown gall can cause serious damage to fruit trees.