WAC 16-350-030
Requirements for registered seed blocks. (1) The department will assign a registration number to each
registered seed tree.
(2) Only registered trees are permitted in a registered seed
block.
(3) Prunus seed blocks must be located at least one hundred
feet from any nonregistered Prunus plants.
(4) The ground in a seed block and for a distance of twenty
feet on all sides around it must be kept either clean cultivated
or in ground cover relatively free of broadleaf weeds.
(5) Registered seed trees must be propagated from foundation
or registered scion wood and rootstock that has been demonstrated
to be free of all virus or virus-like diseases.
[Statutory Authority: Chapter 15.14 RCW. 00-19-036, §
16-350-030, filed 9/12/00, effective 10/13/00; 90-23-006 (Order
2058), § 16-350-030, filed 11/9/90, effective 12/10/90; Order
1331, § 16-350-030, filed 1/15/74; Order 1300, § 16-350-030,
filed 3/26/73; Order 951, Regulation 2(c), filed 7/2/64; Order
890, Regulation 2 (part), effective 9/17/62.]