Mississippi Code Title 69. Agriculture, Horticulture, and Animals § 69-3-17

(1) The duty of enforcing this article is vested in the commissioner. The commissioner may establish rules and regulations not inconsistent with this article, may employ such agents and persons, and may make use of other employees of the department as deemed necessary for enforcement of this article.

(2) This article and the regulations of the department are of statewide concern and occupy the whole field of regulation regarding the cultivation, harvesting, production, processing, registration, labeling, sale, storage, transportation, quarantine, distribution, notification of use, planting, or other use of seeds to the exclusion of all local regulations. Except as otherwise specifically provided in this article, no ordinance or regulation of any political subdivision may prohibit or regulate any matter relating to the registration, labeling, sale, storage, transportation, quarantine, distribution, notification of use, planting and use of seeds.