Section R. 285.619.3 - Scionwood orchards; care, additions, removalsRule 3.
(1) A scionwood orchard and the registered trees therein shall be cared for as follows:(a) Clean cultivated at all times with the exception of a winter cover crop or mowed sod culture.(b) Fertilized and pruned to assure maximum quality scionwood growth.(c) Maintained in a condition free of insect pests and plant diseases by intensive spraying and other control practices recommended by the department or Michigan State University.(d) The soil of the site shall be free of harmful nematodes and insects or shall be fumigated to eliminate them. A post-fumigation inspection is necessary.(2) Trees shall not be added to, or removed from, a scionwood orchard without prior notice to the department. Trees in the scionwood orchard determined to be undesirable by the department shall be removed by the owner or person in charge within 10 days of receipt of notice from the department.Mich. Admin. Code R. 285.619.3