The Secretary of Agriculture may (1) adopt and promulgate rules and regulations governing the activities, methods and functions of all technicians licensed under the provisions of this act, and (2) suspend or revoke the license of any licensee who is (i) incompetent, (ii) fails to comply with the provisions of this act or any rule or regulation of the secretary, or (iii) is intemperate in the use of stimulants, narcotics or any other substance which impairs the performance of his duties.
63 P.S. § 646