7 CFR § 810.1405
Special grades and special grade requirements
July 6, 2020
Smutty sorghum. Sorghum that has kernels covered with smut spores to give a smutty appearance in mass, or that contains 20 or more smut balls in 100 grams of sorghum.
[52 FR 24418, June 30, 1987, as amended at 52 FR 24441, June 30, 1987]