植しょく物ぶつ病びょう理り学がくしょくぶつびょうりがくMeanings1nounplant pathology; phytopathologyAcademic field studying plant diseases, their causes, and control.彼かれは大だい学がくで植しょく物ぶつ病びょう理り学がくを専せん攻こうしている。He is majoring in plant pathology at university.