Official Grain Grading Guide

Rye: Primary and export grade determination tables

Rye, Canada Western (CW)

Rye, Canada Western (CW), standard of quality
Grading factorNo. 1 CWNo. 2 CWNo. 3 CWGrade, if specs for No. 3 not met
Degree of soundnessWell matured, practically free from weather-damaged kernelsReasonably well matured, reasonably free from weather-damaged kernelsExcluded from higher grades on account of damaged kernels 
Minimum test weight kg/hL (g/0.5 L)72 (349)69 (334)63 (304)Rye, Sample CW Account Light Weight
VarietyAny variety of rye registered under the Seeds ActAny variety of rye registered under the Seeds ActAny variety of rye 
Rye, Canada Western (CW), damage
Grading factorNo. 1 CWNo. 2 CWNo. 3 CWGrade, if specs for No. 3 not met
Broken %45850% or less – Rye, Sample CE Account Broken Grain
Over 50% – Sample Broken Grain
Fireburnt %0.00.00.0Rye, Sample CW Account Fireburnt
Fusarium %0.30.51.0Rye, Sample CW Account Fusarium Damage
Heated %0.10.85.0Rye, Sample CW Account Heated
Sprouted %0.52.010.0Rye, Sample CW Account Sprouted
Rye, Canada Western (CW), foreign material
Grading factorNo. 1 CWNo. 2 CWNo. 3 CWGrade, if specs for No. 3 not met
Cereal grains other than wheat %2310See Mixed grain
Ergot %0.050.200.33Rye, Sample CW Account Ergot
Excreta %0.010.010.02Rye, Sample CW Account Excreta
Matter other than cereal grains %0.51.02.0Rye, Sample CW Account Admixture
Sclerotinia %0.050.200.33Rye, Sample CW Account Admixture
Stones %0.030.030.062.5% or less - Rye, Rejected (grade) Account Stones
Over 2.5%-Rye, Sample Salvage
Total %
Mineral matter including stones
0.070.100.152.5% or less - Rye, Rejected (grade) Account Stones
Over 2.5%–Rye, Sample Salvage
Total %
Foreign material
2510See Mixed grain

Rye, Canada Eastern (CE)

Rye, Canada Eastern (CE), standard of quality
Grading factorNo. 1 CENo. 2 CENo. 3 CEGrade, if specs for No. 3 not met
Degree of soundnessWell matured, practically free from weather-damaged kernelsReasonably well matured, reasonably free from weather-damaged kernelsExcluded from higher grades on account of damaged kernels 
Minimum test weight kg/hL (g/0.5 L)72 (349)69 (334)63 (304)Rye, Sample CE Account Light Weight
VarietyAny variety of rye registered under the Seeds ActAny variety of rye registered under the Seeds ActAny variety of rye 
Rye, Canada Eastern (CE), damage
Grading factorNo. 1 CENo. 2 CENo. 3 CEGrade, if specs for No. 3 not met
Broken %45850% or less – Rye, Sample CE Account Broken Grain Over 50% – Sample Broken Grain
Fireburnt %0.00.00.0Rye, Sample CE Account Fireburnt
Fusarium %0.30.51.0Rye, Sample CE Account Fusarium Damage
Heated %0.10.85.0Rye, Sample CE Account Heated
Sprouted %0.52.010.0Rye, Sample CE Account Sprouted
Rye, Canada Eastern (CE), foreign material
Grading factorNo. 1 CENo. 2 CENo. 3 CEGrade, if specs for No. 3 not met
Cereal grains other than wheat %2310See Mixed grain
Ergot %0.050.200.33Rye, Sample CE Account Ergot
Excreta %0.010.010.02Rye, Sample CE Account Excreta
Matter other than cereal grains %0.51.02.0Rye, Sample CE Account Admixture
Sclerotinia %0.050.200.33Rye, Sample CE Account Admixture
Stones %0.030.030.062.5% or less - Rye Sample CE Account Stones
Over 2.5% - Rye, Sample Salvage
Total %
Mineral matter including stones
0.070.100.152.5% or less - Rye Sample CE Account Stones
Over 2.5% - Rye, Sample Salvage
Total %
Foreign material
2510See Mixed grain

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2026-08-01