Meaning of northern leaf blight

north'ern leaf' blight"

Pronunciation: [key]
— Plant Pathol. Plant Pathol.
  1. a disease of corn caused by the fungus Exsherohilum turcicum, characterized by elongate tan-gray elliptical spots with subsequent blighting and necrosis of leaves. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.