Section 16-302-756 - Standards for quality orchardgrass seed(1) Seed standards for quality orchardgrass seed are as follows: | Minimum % Purity | Minimum Viabilityby Germination orTZ Test | Maximum % Other Crop (a) | Maximum % Weed (b) |
| Orchardgrass seed | 90 | 85 | 0.20 | 0.02 |
| Purity component percentages are based on 3 gram sample size. |
(a) Must be free of ryegrass, timothy, Agrostissp., Poasp., brome, reed canarygrass, tall fescue, and meadow foxtail. Must be free of the above listed contaminants based upon a 50 gram examination.(b) Must be free of alfilaria (redstem filaree), Bromussp., chickweed including all other species in the Caryophyllaceae family, henbit, Poasp., wild carrot, prohibited noxious weeds listed in WAC 16-301-045, and restricted noxious weeds listed in WA C 16-301-050. Must be free of the above listed contaminants based upon a 50 gram examination.
(2)A quality orchardgrass seed analysis certificate is the basis of determining if a lot meets the quality orchardgrass seed standards. This certificate is issued by the certifying agency and represents a purity test, a 50 gram noxious, all weed, all crop exam, and a viability test.(3)Seed meeting quality orchardgrass seed standards will be tagged with a "quality orchardgrass seed" tag.Wash. Admin. Code § 16-302-756
Adopted by WSR 15-12-109, Filed 6/3/2015, effective 7/4/2015