Mo. Rev. Stat. § 263.130

The state entomologist, whenever he shall find that there exists in any other state, territory, or district, or part thereof, any harmful plant pests with reference to which the Secretary of Agriculture of the United States has not determined that a quarantine is necessary and has not duly established such quarantine, may promulgate, and may enforce by appropriate rules, a quarantine prohibiting or restricting the transportation into or through this state, or any portion thereof, from such other state, territory, or district of any class of nursery stock, plants or plant products or other article of any character whatsoever, capable of carrying such plant pests. The state entomologist may make rules for the seizure, inspection, disinfection, destruction, or other disposition of any nursery stock, plants or plant products or other article of any character whatsoever, capable of carrying any harmful plant pests, a quarantine with respect to which shall have been established by the Secretary of Agriculture of the United States, and which have been transported to, into, or through this state in violation of such quarantine.