SOCR 300 - Seed Purity Analysis

  • 2 credits
View available sections

This course teaches students how to assess the quality of seed lots destined for planting purposes and how to perform these assessments accurately.

Students must complete six proctored exams and a sample purity analysis.

This course requires the use of electronic proctoring ProctorU or ProctorTrack as determined by the course faculty. The course syllabus will provide information on the approved electronic testing service. Please see for detailed instructions. For students requiring accommodations, please contact Resources for Disabled Students (RDS); for consideration of exceptions outside the scope of RDS, please contact the University Testing Center.


SOCR 200 (Seed Anatomy and Identification) or written consent of the instructor.

Important Information

This course must be completed within six months of registration. No time extension is allowed.

Textbook and Materials

Textbooks and materials can be purchased at the CSU Bookstore unless otherwise indicated.


  • AOSA Rules for Testing Seeds
    AOSA Secretary
  • SOCR 300 Study Guide - Section 842 only
    J. Bruce
  • Standard Guide to Seeds of Colorado
    Larsen and Menne
  • Uniform Classification of Weed and Crop Seeds
    AOSA Secretary


James Bruce

(970) 495-3246 |

James Bruce, M.S., is a seed analyst employed at the USDA, ARS, National Seed Storage Laboratory. He is involved in the Colorado Sustainable Agriculture and Development Group at Colorado State University.