PDFWAC 16-302-485
Land requirements for rapeseed, mustard (Brassica spp. and Sinapis alba), and radish certification.
(1) Land requirements prior to planting for the production of rapeseed are as follows:
Class Planted | Class Produced | Years Field Shall be Free of Rapeseed |
Breeder | Foundation | 5 |
Foundation | Registered | 4 |
Breeder, Foundation, Registered | Certified | 3 |
(2) Land requirements prior to planting of mustard or radish are as follows:
Class produced | Years free from any cruciferous crop |
Foundation, registered or certified | 5 years |
May be reduced to three years if following the same variety of the same or higher class. | |
(3) For all classes no manure or other contaminating materials shall be applied during the establishment and production period of the rapeseed stand.
(4) Reseeding of a rapeseed, mustard, or radish field due to failure or partial failure of the first seeding may be done by referring to the guidelines in WAC 16-302-045(5).
(5) Ditchbanks, roadways, etc., adjacent to a certified rapeseed field must be free of volunteer rapeseed and prohibited noxious weeds.
[Statutory Authority: RCW 15.49.005, 15.49.081, 15.49.310, 15.49.370(3), and chapter 34.05 RCW. WSR 14-20-050, § 16-302-485, filed 9/25/14, effective 10/26/14. Statutory Authority: RCW 15.49.005, 15.49.081, 15.49.310, 15.49.370(3) and chapter 17.24 RCW. WSR 00-24-077, § 16-302-485, filed 12/4/00, effective 1/4/01.]