9 CFR 101.7 - Seed organisms.

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§ 101.7 Seed organisms.
When used in conjunction with or in reference to seed organisms, the following shall mean:
(a) Master Seed. 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.
(b) Working Seed. An organism at a passage level between Master Seed and Production Seed.
(c) Production Seed. 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]

Title 9 published on 2015-01-01.

No entries appear in the Federal Register after this date, for 9 CFR Part 101.