PDFWAC 16-302-240
Seed standards for alfalfa seed certification.
(1) Seed standards for the production of alfalfa seed are as follows:
Purity | Foundation | Registered | Blue Tag Certified |
Pure seed (minimum) | 99.00% | 99.00% | 99.00% |
Other crops (maximum) | .10% | .10% | .25% |
Sweet clover (maximum) | none found | none found | 90 per lb. |
Inert matter (maximum) | 1.00% | 1.00% | 1.00% |
Weed seed (maximum) | .10% | .20% | .25% |
Objectionable weed seeds (maximum) | none found | none found | 18 per lb. |
Germination (Min. total of germination and hard seed) | 80.00% | 85.00% | 85.00% |
or Tetrazolium (Min. total of Tetrazolium and hard seed) | 82.00% | 87.00% | 87.00% |
(2) Alfalfa seed must be free of prohibited noxious weed seeds and foundation class must be free of Brassica spp.
[Statutory Authority: RCW 15.49.005, 15.49.310, 15.49.370(3), chapters 17.24 and 34.05 RCW. WSR 17-13-130, § 16-302-240, filed 6/21/17, effective 7/22/17. 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, § 16-302-240, filed 12/4/00, effective 1/4/01.]