(1) Land, isolation, and field standards for quinoa seed certification are:
CLASS | LAND STANDARDS MINIMUM YEARS | ISOLATION STANDARDS MINIMUM FEET/PLANTS PER ACRE | OFF-TYPE MAXIMUM HEAD RATIO (B) | INSEPARABLE OTHER CROP MAXIMUM |
Foundation | (i) | 100 ft 10 plants/acre | 10:10,000 | 10:10,000 |
Registered | (i) | 100 ft 10 plants/acre | 15:10,000 | 15:10,000 |
Certified | (i) | 100 ft 10 plants/acre | 20:10,000 | 20:10,000 |
(i) | Quinoa shall be grown on land on which the preceding crop was another kind or was planted with Certified seed of the same variety. |
(a) Fields or portions of fields producing different varieties or classes of Certified seed must be isolated by a minimum of 100 ft from each other.
(b) Other Chenopodium sp. (Chenopodium album, C. berlandieri, C. murale, and related) should be controlled within 100 ft and not exceed 10 plants per acre of production.
(2) Seed standards for quinoa seed certification are:
Purity | Foundation | Registered | Certified |
Pure seed (minimum) | 98.00% | 98.00% | 98.00% |
Inert matter (maximum) | 2.00% | 2.00% | 2.00% |
Other crops (maximum) | 0.10% | 0.20% | 0.30% |
Other varieties (maximum) | 0.05% | 0.05% | 0.10% |
Weed seeds (maximum) | 0.25% | 0.25% | 0.50% |
Noxious weed seed | None found | None found | None found |
Germination (minimum) | 85.00% | 85.00% | 85.00% |
[Statutory Authority: RCW 15.49.005, [15.49].021, [15.49].310, [15.49].370, 15.140.030, and chapter 15.49 RCW. WSR 25-09-035, s 16-302-705, filed 4/9/25, effective 5/10/25.]