褐かっ斑ぱん病びょう

noun

brown spot disease

A botanical term for a fungal or bacterial plant disease causing brown spots on leaves, stems, or fruit.

• 稲いねの褐かっ斑ぱん病びょうは収しゅう穫かく量りょうに大おおきな影えい響きょうを与あたえる。

  Brown spot disease in rice greatly affects the yield.