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California Crop Improvement Association
University of California
California Crop Improvement Association

Seed Certification

General Standards and Crop Standards

General Standards -  standards that relate to all aspects of the CCIA

Crop Standards - standards for individual crops (isolation, field inspections, harvesting requirements, seed requirements, retained seed samples, and tagging.

Harvesting Information

Harvester Cleanout Inspection - The purpose of inspecting a harvester is to ensure that it is free of those seeds which might contaminate the certified seed to be harvested. This 9 minute video provides a tutorial on how to verify that a harvester has been sufficiently cleaned.

Seed Conditioner Information

Fee Schedule

Seed Lot Blend Information

Seed Sampling Procedures

Seed Sampler Certification Program - this program has been developed to promote the use of acceptable sampling procedures to improve seed lot quality estimation and to enhance uniformity and consistency of seed sampling.

Submitted Sample Sizes for Certification

California Seed Law - Prohibited and Restricted Noxious Weed List - links to CDFA Seed Law and list of prohibited and restricted weeds

2016 Seed Conditioner List (pdf) - mailing address list of certified seed conditioners who agreed to share their contact information

Certification Technical Committee

The Certification Technical Committee (CTC) is an advisory committee charged with reviewing eligibility of varieties for certification, changing or developing new field and seed certification standards, and managing technical matters pertaining to seed certification.  This committee will review varieties for distinctiveness and genetic stability according to the guidelines established by the AOSCA.  The Certification Technical Committee shall be composed of representatives from the University of California, the California Department of Food and Agriculture, and the Executive Director and/or his or her designee(s).

More information on the CTC and variety certification.

Crop Acreage Reports

Acreage Report by Crop - last 5 years of applied and approved acres

The following files are in pdf format for view or download

Acreage Reports by County - Acres Applied, Acres Approved, Number of Applications (pdf)

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Webmaster Email: meschlosser@ucdavis.edu