Authority and Procedures for Registration or Certification
(a)The parent rootstock and topstock sources of a progeny vine for which registration or certification shall be requested, shall be index-tested on St. George, LN-33, Baca 22 A, and Carignane varieties of grapevines. Chenopodium spp. may be used in lieu of Carignane grapevine;
(b)Propagating wood to produce the progeny vines for a foundation block shall be taken from the parent rootstock and topstock sources in the same growing season that tissue is taken from the parent sources for indexing. The progeny vines shall be visually inspected at least twice each growing season prior to planting in a foundation block.
(2)In a Foundation Block: Plantings in a foundation block, or the vines thereof, shall be visually inspected at least twice each growing season.
(3)In an Increase Block: Plantings in an increase block, or the vines thereof, shall be visually inspected at least twice each year prior to the removal of fruit, if any, from the vines.
(4)In a Nursery Planting: Plantings in a nursery, or the vines thereof, shall be visually inspected at least twice each growing season and, in addition thereto, shall be inspected at the time of digging. In order to be eligible for certification or approval as registered stock, said nursery stock shall not remain in the nursery row for more than two growing seasons.
(5)In addition to the requirements of sections (1) to (5) of this rule additional inspections or tests may be required in the event seasonal conditions or other factors tend to obscure virus symptoms or make adequate information impossible, or when virus infection is suspected or virus symptoms may be masked in a particular variety.
Rule 603-051-0840 — Authority and Procedures for Registration or Certification,