Section 16-302-465 - Land requirements and field standards for woody plants, forbs, and other reclamation species(1) The life of a stand shall be unlimited as long as seventy-five percent of the plants present in the stand are those that were planted originally.(2) To be eligible for the production of certified class of seed, a field must not have grown or been seeded to the same species during the previous four years for foundation, three years for registered, and two years for certified.(3) A seed field inspection must be made the year of establishment and at least once each year that seed is to be harvested. This inspection will be made at a time when plant development allows for the detection of factors such as off-type varieties and weed contamination.(4) Isolation for seed production the minimum distance from a different variety or wild hybridizing populations are as follows: | Minimum of isolation-feet: |
| Fields of 2 acres or less | Fields of more than 2 acres |
| Foundation & registered | 400 | 200 |
| Certified | 200 | 100 |
Volunteer plants may be cause for rejection or reclassification of a seed field.
(5) Specific field tolerances: | Maximum ratio of heads or plants |
| Factor | Foundation | Registered | Certified |
| Other varieties & off type | 1/1000 | 1/500 | 1/250 |
| Other kinds | 1/2000 | 1/1000 | 1/500 |
| (Inseparable other species) | | | |
| Prohibited noxious weeds | None found | None found | None found |
Wash. Admin. Code § 16-302-465
Amended by WSR 14-20-050, Filed 9/25/2014, effective 10/26/2014Amended by WSR 17-08-090, Filed 4/5/2017, effective 5/6/2017Statutory Authority: RCW 15.49.005, 15.49.081, 15.49.310, 15.49.370(3) and chapter 17.24 RCW. 00-24-077, § 16-302-465, filed 12/4/00, effective 1/4/01.