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  • OSU SEED LAB

Oregon Seed Certification Guidelines

Crop Guidelines

Early Sampling (pdf)

Establishing Crop History (pdf)

Modified Land History (pdf)

Seed Processing and Sampling Guidelines

Blends (pdf)

Company Tag Printing (pdf)

Guide for Certification Samplers and Taggers (pdf)

Interagency Transfers (pdf)

Mixtures (pdf)

Online Mixture Authorization (pdf)

Resample-Retests (pdf)

Tag Reissue Instructions (pdf)

OSCS Policies

Policy on Variety Ownership and Seed Source Eligibility for Varieties in the Oregon Seed Certification Service Program (pdf)