Official Grain Grading Guide
Buckwheat: Primary and export grade determination tables
Buckwheat, Canada (CAN)
Note: The size may be added to the grade name.
| Grading factor | No. 1 Canada | No. 2 Canada | No. 3 Canada |
|---|---|---|---|
| Degree of soundness | Cool and sweet | Cool and sweet | May have a ground or grassy odour, not musty or sour |
| Minimum test weight kg/hL (g/0.5 L) | 58 (285) | 55 (270) | No minimum |
| Variety | Any variety of buckwheat registered under the Seeds Act | Any variety of buckwheat registered under the Seeds Act | Any variety of buckwheat |
| Grading factor | No. 1 Canada | No. 2 Canada | No. 3 Canada | Grade, if No. 3 specs not met |
|---|---|---|---|---|
| Dehulled % | 1 | 2 | 5 | Buckwheat, Sample Canada (size) Account Damage |
| Immature % | 1.5 | 1.5 | 5.0 | Buckwheat, Sample Canada (size) Account Damage |
| Total % Damage | 4 | 8 | 20 | Buckwheat, Sample Canada (size) Account Damage |
| Grading factor | No. 1 Canada | No. 2 Canada | No. 3 Canada | Grade, if No. 3 specs not met |
|---|---|---|---|---|
| Cereal grains % | 1.0 | 2.5 | 5.0 | Buckwheat, Sample Canada (size) Account Admixture |
| Ergot % | 0.00 | 0.05 | 0.25 | Buckwheat, Sample Canada (size) Account Ergot |
| Excreta % | 0.01 | 0.01 | 0.01 | Buckwheat, Sample Canada (size) Account Excreta |
| Matter other than cereal grains % | 0.2 | 1.0 | 2.0 | Buckwheat, Sample Canada (size) Account Admixture |
| Sclerotinia % | 0.00 | 0.05 | 0.25 | Buckwheat, Sample Canada (size) Account Admixture |
| Stones % | 0.03 | 0.03 | 0.03 | 2.5% or less — West - Buckwheat, Rejected (grade) (size) Account Stones, or East - Buckwheat, Sample Canada (size) Account Stones Over 2.5%— Buckwheat, Sample Salvage |
| Total % Foreign material | 1 | 3 | 5 | Buckwheat, Sample Canada (size) Account Admixture |