Section 16-302-480 - Field standards for rapeseed, mustard (Brassica spp. and Sinapis alba), and radish certification Field standards for the production of rapeseed are as follows:
(1) A portion of a rapeseed field may be certified if the area to be certified is clearly defined.(2) A field producing foundation, registered or certified rapeseed, also known as canola (Brassica napus), must be the minimum specified isolation distance from fields of any other variety of Brassica napus, from fields of the same variety that do not meet the varietal purity requirements for certification, as well as from fields of Brassica rapa, Brassica oleracea, and Brassica juncea as indicated in the following table: | Class | Fields of Cross Pollinated Varieties Including Hybrids | Fields of Self Pollinated Varieties |
| Foundation | 1 mile | 660 feet |
| Registered | 1 mile | 660 feet |
| Certified | 1 mile | 330 feet |
| Different class of same variety | 165 feet | 165 feet |
These isolation distances are minimum and must be met in all cases.
(3) Volunteer plants may be cause for rejection or reclassification of a rapeseed field.(4) Specific standards for rapeseed are: | Maximum % permitted in each class |
| Factor | Foundation | Registered | Certified |
| Other varieties (a) | None found (b) | None found (b) | 1.00 |
(a) Other varieties are considered to include Brassica rapa, Brassica oleracea, Brassica juncea, off-type plants of Brassica napus and plants that can be differentiated from the variety being inspected.(b) None found means none found during the normal inspection procedures. None found is not a guarantee to mean the field inspected is free of the factor.(5) Field standards for mustard and radish are as follows: | Class of Seed Produced | Maximum Other Varieties Permitted | Isolation Requirements |
| Foundation or registered | None | 1320 feet |
| Certified | 1:500 | 660 feet |
(6) Inspection will be made by the certifying agency when the crop is in the early flowering stage.Wash. Admin. Code § 16-302-480
Amended by WSR 14-20-050, Filed 9/25/2014, effective 10/26/2014Statutory Authority: RCW 15.49.310 and chapter 34.05 RCW. 06-15-136, § 16-302-480, filed 7/19/06, effective 8/19/06. Statutory Authority: RCW 15.49.005, 15.49.081, 15.49.310, 15.49.370(3) and chapter 17.24 RCW. 00-24-077, § 16-302-480, filed 12/4/00, effective 1/4/01.