S.L. 433.34 Art. 7Classification of propagation material.

Propagation material (seeds, buds, bulbs, cuttings, rhizomes, root-stocks, in vitro cultures, etc.) at different stages of development, grafted trees and self-rooted plants shall be classified into the following categories:

(a) primary source, that is, the material of origin produced by the breeder and kept by the breeder or by the successor of such breeder;

(b) pre-basic material produced from the first multiplication of the primary source and grown in the repository. At least two mother plants must be maintained for each variety;

(c) basic, that is, material produced from the first multiplication of pre-basic material. The material is grown in the foundation block and used for the establishment of mother blocks. At least two specimens shall be kept for each variety; and

(d) certified, that is, material produced from the first multiplication of the basic material from mother blocks to be utilised for the commercial production of certified material. At least two specimens shall be maintained for each variety.