WAC 16-302-240

WAC 16-302-240. Seed standards for alfalfa seed certification

Last amended: 2025Year: 2026Length: 204 wordsOfficial source
(1) Alfalfa seed must be free of prohibited noxious weed seeds. (2) Foundation class must be free of Brassica spp. (3) Seed standards for the production of alfalfa seed are as follows: Purity Foundation Registered Certified Pure seed (minimum) 99.00% 99.00% 99.00% Other crop (maximum) 0.10% 0.10% 0.25% Sweet clover (maximum) None found None found 90 per lb. Inert matter (maximum) 1.00% 1.00% 1.00% Weed seed (maximum) 0.10% 0.20% 0.25% Brassica species None found — — Prohibited weeds None found None found None found Objectionable weed (maximum) None found None found 18 per lb. Germination (minimum total germ and hard seed) 80.00% 85.00% 85.00% or TZ, Tetrazolium Test (minimum total of TZ and hard seed) 82.00% 87.00% 87.00% Purity Foundation Registered Certified Pure seed (minimum) 99.00% 99.00% 99.00% Other crop (maximum) 0.10% 0.10% 0.25% Sweet clover (maximum) None found None found 90 per lb. Inert matter (maximum) 1.00% 1.00% 1.00% Weed seed (maximum) 0.10% 0.20% 0.25% Brassica species None found — — Prohibited weeds None found None found None found Objectionable weed (maximum) None found None found 18 per lb. Germination (minimum total germ and hard seed) 80.00% 85.00% 85.00% or TZ, Tetrazolium Test (minimum total of TZ and hard seed) 82.00% 87.00% 87.00%
WAC 16-302-240: WAC 16-302-240. Seed standards for alfalfa seed certification | Justis AI