Gayle M. Volk, USDA-ARS, National Laboratory for Genetic Resources Preservation, 1111 S. Mason St., Fort Collins, Colorado, U.S.A. 80521.


The eBook “Training in Plant Genetic Resources: Cryopreservation of Clonal Propagules” is being developed through a collaboration between Colorado State University and the United States Department of Agriculture. The chapters herein provide training modules in various topics relating to the cryopreservation of clonally propagated plant genetic resources. The current version has four chapters. It is a work in progress, and content will be added as time and resources allow.

This eBook contains chapters that can be accessed in any order. Click on “Contents” in the upper left corner and then expand “Main Body” to access chapter titles; scrolling may be necessary to view all chapter titles. Chapters can also be navigated by using arrows at the bottom of each page. Each chapter has  text, video and interactive content on a single page.

Material may be used free of charge, in the online format, for personal use or for trainings and courses for students and/or employees. If you wish to make modifications  to the content or download other versions, please contact the authors.

Mention of trade names or commercial products in this eBook is solely for the purpose of providing specific information and does not imply recommendation or endorsement by the U.S. Department of Agriculture. The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, age, disability, and where applicable, sex, marital status, familial status, parental status, religion, sexual orientation, genetic information, political beliefs, reprisal, or because all or part of an individual’s income is derived from any public assistance program. Persons with disabilities who require alternative means for communication of program information (Braille, large print, audiotape, etc.) should contact USDA’s TARGET Center at (202) 720-2600 (voice and TDD). To file a complaint of discrimination, write to USDA, Director, Office of Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410 or call (800) 795-3272 (voice) or (202) 720-6382 (TDD). USDA is an equal opportunity provider, employer, and lender.


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