Akademik

1. disease of grains; the entire head is a dusty mass of spores

2. a smut fungus of the genus Ustilago causing a smut disease of grains in which the entire head is transformed into a dusty mass of spores

: a smut disease of grains in which the entire head is transformed into a dusty mass of spores with only the rachis remaining after the spores mature — compare covered smut

loose smut,

a disease of cereals, caused by a smut fungus, in which the heads change into loose masses of spores.