Each horticultural pest and disease board shall be comprised of five voting members, four of whom shall be appointed by the board of county commissioners and one of whom shall be appointed by the director. In addition, the chief county extension agent, or a county extension agent appointed by the chief agent, shall be a nonvoting member of the board.

Of the four members appointed by the board of county commissioners, one of such members shall have at least a practical knowledge of horticultural pests and diseases, and the other members shall be residents of the county, shall own land within the county and shall be engaged in the primary and commercial production of a horticultural product or products. Such appointed members shall serve a term of two years and shall serve without salary. If no such qualified candidate resides in the county, a nonresident that owns property in the county and is engaged in the primary and commercial production of a horticultural product or products may be appointed as a member of the horticultural pest and disease board.