Meaning of kernel smut

ker'nel smut"

Pronunciation: [key]
— Plant Pathol. Plant Pathol.
  1. a disease of sorghum and other grasses in which the grains are replaced by the black spores of a smut fungus, esp. of the genera Tilletia and Ustilago.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.