(a) The commissioners court of a county in a quarantined area shall appoint a citrus quarantine advisory committee composed of four citrus growers and one representative of the department. The four citrus growers appointed by the court are subject to the approval of the department. The department shall nominate its representative on the committee.
(b) If advised by the department that an infestation exists on premises within the county, the advisory committee shall determine the extent of the infestation and recommend to the department the procedure for eliminating the infestation.