Buckwheat – Chapter 13
Official Grain Grading Guide

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Primary grade determinants tables

Buckwheat, Canada (CAN)

Grade name	Minimum test weight kg/hl (g/0.5 L)	Degree of soundness	Damage
			Dehulled %	Immature %	Total %
No. 1 Canada	58 (285)	Cool and sweet	1	1.5	4
No. 2 Canada	55 (270)	Cool and sweet	2	1.5	8
No. 3 Canada	No minimum	May have a ground or grassy odour, not musty or sour	5	5	20
Grade, if No. 3 specs not met			Buckwheat, Sample Canada (size) Account Damage

Grade name	Foreign material
	Cereal grains %	Ergot %	Excreta %	Matter other than cereal grains %	Sclerotinia %	Stones %	Total %
No. 1 Canada	1	Nil	0.010	0.2	Nil	0.0.3	1
No. 2 Canada	2.5	0.05	0.010	1	0.05	0.03	3
No. 3 Canada	5	0.25	0.010	2	0.25	0.03	5
Grade, if No. 3 specs not met	Buckwheat, Sample Canada (size) Account Admixture	Buckwheat, Sample Canada (size) Account Ergot	Buckwheat, Sample Canada (size) Account Excreta	Buckwheat, Sample Canada (size) Account Admixture	Buckwheat, Sample Canada (size) Account Admixture	2.5% or less—Buckwheat, Rejected (grade) (size) Account Stones, or Buckwheat, Sample Canada (size) Account Stones. Over 2.5%—Buckwheat, Sample Salvage	Buckwheat, Sample Canada (size) Account Admixture

Note: The size may be added to the grade name

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