9 C.F.R. § 101.7

Current through May 31, 2024
Section 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.

9 C.F.R. §101.7

49 FR 22625, May 31, 1984