noun
: any of various diseases of plants characterized by darkening of the stem: as
a. : a disease of alfalfa caused by a fungus ( Ascochyta imperfecta )
b. : a disease of cabbage and cauliflower caused by a fungus ( Phoma lingam )
noun
: any of various diseases of plants characterized by darkening of the stem: as
a. : a disease of alfalfa caused by a fungus ( Ascochyta imperfecta )
b. : a disease of cabbage and cauliflower caused by a fungus ( Phoma lingam )
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012