Tennessee Code Title 43. Agriculture and Horticulture § 43-6-204

(1) Assist the county weed control board, all public utilities, the department of transportation, the county legislative body, drainage districts, the county highway department, other public and quasi-public corporations and other interested parties in the control and eradication of Johnson grass;

(2) Be informed of the origin, nature and appearance of Johnson grass and the manner in which it is disseminated and shall follow recommendations of the University of Tennessee, college of agricultural sciences and natural resources, as to the best and approved method to control, eradicate and prevent the dissemination of Johnson grass; and

(3) Cooperate with and have authority to enter into cooperative agreements with state and federal agencies and departments for the furtherance of the control and eradication of Johnson grass.