§ 101.7 Seed organisms.
Primary source
Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.
Full Text
When used in conjunction with or in reference to seed organisms, the following shall mean:
Master Seed.(a) An organism at a specific passage level which has been selected and permanently stored by the producer from which all other seed passages are derived within permitted levels.
Working Seed.(b) An organism at a passage level between Master Seed and Production Seed.
Production Seed.(c) An organism at a specified passage level which is used without further propagation for initiating preparation of a fraction.
[49 FR 22625, May 31, 1984]
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