1. (a) “Certified block” means a planting of nursery stock for the production of certified nursery stock.
2. (b) “Certified nursery stock” means yearling or younger trees propagated from registered stock and certified in accordance with the provisions of this article.
3. (c) “Foundation block” means a planting of trees, maintained by federal or state agencies, which are registered or are to be registered to serve as a primary source of propagating material.
4. (d) “Foundation stock” means propagative material from the foundation block.
5. (e) “Index” means testing a plant for virus infection by grafting with tissue from the plant to an indicator plant or by other approved means.
6. (f) “Mother block” means a planting of trees to be registered and maintained by an applicant as a source for establishing an increase block and as a propagative source for growing certified nursery stock.
7. (g) “Nuclear stock” means plants which were propagated from indexed sources and which have been regularly re-indexed and protected continuously from virus infection by federal or state agencies.
8. (h) “Nursery increase block” means a planting of nursery stock, maintained by the applicant, which may be used as a propagating source to produce registered stock for growing of certified nursery stock, or which may be used for growing trees which may be planted in a mother block.
9. (i) “Off-type” means different from the variety or selection listed on the application for registration or certification.
10. (j) “Registered” means that a registration number has been assigned by the Department to a tree that has been inspected and tested in accordance with the provisions of this article to serve as a source of propagating material to produce certified nursery stock.
11. (k) “Registered stock” means propagating material produced in a mother, nursery increase, or from registered rootstock stool blocks.
12. (l) “Registered rootstock stool block” means a planting of vegetatively propagated rootstocks, maintained by the applicant, propagated from foundation stock.
13. (m) “Virus-infected” means infected by a virus or having symptoms or behavior characteristics of a virus disease.

Note: Authority cited: Sections 407 and 5823, Food and Agricultural Code. Reference: Sections 5821 and 5822, Food and Agricultural Code.

History

1. New Article 4 (Sections 3020-3023) filed 7-25-77; effective thirtieth day thereafter (Register 77, No. 31).

2. Renumbering and amendment of former Section 3020 to Section 3020.1 filed 12-30-83; effective thirtieth day thereafter (Register 84, No. 1).