(1)  The applicant nurseryman shall be responsible, subject to the approval of the department, for the selection of the location and the proper maintenance of registered plantings being grown under the provisions of this program. The applicant nurseryman shall be responsible for maintaining the identity of all nursery stork entered in this program in a manner approved by the department. Any planting entered in this program shall be kept in a thrifty growing condition and free of plant pests.

(2)  There shall be no budding, grafting, or top-working of registered trees in any scion-block, seed-block, or stool-bed.

(3)  Any plant found to be affected by a virus or virus-like disease or if off-type shall be removed and destroyed immediately from any planting following notification by the department.