An affection of cereal grains producing a swelling which is at length resolved into a powdery sooty mass. It is caused by parasitic fungi of the genus Ustilago. Ustilago segetum, or U. Carbo, is the commonest kind; that of Indian corn is Ustilago maydis.
To taint with mildew, as grain.
To clear of smut; as, to smut grain for the mill.
destructive diseases of plants (especially cereal grasses) caused by fungi that produce black powdery masses of spores
any fungus of the order Ustilaginales
become affected with smut; "the corn smutted and could not be eaten"
affect with smut or mildew, as of a crop such as corn
A disease caused by a fungus.
Obligate parasites and pathogens of plants that cause smut on various plant pars such as Silene anthers, corn kernels, onion bulbs and rice grains.
Any of a number of plant diseases caused by the smut fungi (Ustilaginales); characterized by masses of dark, powdery, and sometimes odorous spores (e.g., stinking smut of wheat, common smut of maize). ( 16)
The smuts are fungi, mostly Ustilaginomycetes (of the class Teliomycetae, subphylum Basidiomycota), that cause plant disease.