1. (1) Foundation strawberry plants must originate directly from nuclear stock and must be grown in an insect-proof facility on pasteurized soil or a soil-less growing medium free of plant pests and vectors of plant pests.

2. (2) Growers may use micro-propagation techniques to multiply foundation plants prior to planting them in a foundation facility, if both of the following conditions are met:

   1. (a) The micro-propagated plants are isolated from all nonfoundation strawberry plants at all times; and
   2. (b) The micro-propagation facility is approved by the department.
3. (3) Growers may maintain and increase foundation stock indefinitely, if no individual plant remains in the foundation planting for more than two growing periods.

[Statutory Authority: Chapter 15.14 RCW. WSR 00-19-034, § 16-328-025, filed 9/12/00, effective 10/13/00; WSR 87-13-016 (Order 1932), § 16-328-025, filed 6/9/87; Order 1216, § 16-328-025, filed 10/18/71, effective 11/18/71; Order 925, Regulation 2, filed 6/25/63; Order 625, Regulation 3 (part), effective 4/29/52.]