The Department, through appropriate divisions, subdivisions and offices, shall have the power to perform and shall be responsible for the performance of all the powers, duties and functions vested by law in the State Board of Agriculture, the State Division of Weights and Measures, the State Forestry Department, the State Forestry Commission, the State Apple Commission, the State Poultry Commission and all matters pertaining to privately owned forest and woodlands within the State immediately prior to April 15, 1970, and which are not otherwise hereinabove specifically transferred to the Department by this chapter.