The Commissioner of Agriculture and Commerce, the president of Mississippi State University of Agriculture and Applied Science, and the director of the agricultural and forestry experimental station of Mississippi State University of Agriculture and Applied Science are hereby vested with the full authority to designate a seed improvement association as the official state seed certifying agency for the State of Mississippi. Said officials are hereby further authorized, if they shall be satisfied at any time that the association acting as the official state seed certifying agency is not functioning in a manner conducive to the best interest of agriculture in this state, to terminate the appointment of such association, and to designate another seed improvement association as the official state seed certifying agency.