No seed stock of turf type grasses may be shipped, transported, moved within, or into the rough bluegrass quarantine regulated area unless such seed stock is accompanied by a test report from an official laboratory showing said seed stock is free of rough bluegrass on the basis of a minimum twenty-five gram analysis, except that seed stock found to contain rough bluegrass may be planted in the regulated area if planted in a nursery under an inspection program as established by the Washington state department of agriculture.