If cultivated currants, gooseberries or white pines which are not infected with white pine blister rust, are destroyed by specific order of the commissioner or his agents, the owner may be compensated therefor, the damages to be appraised by the commissioner or his agents at and not to exceed the actual value of the material destroyed, and paid to said owner by the state treasurer upon authorization of the commissioner: Provided, That any and all wild currants and gooseberries are hereby declared noxious weeds and no compensation shall be paid therefor.