Wash. Admin. Code § 16-462-015
The definitions in this section apply throughout this chapter unless the context clearly requires otherwise:
"Block" means a contiguous grouping of Vitis plants separated from other groupings by a buffer zone. A block may contain one or multiple lots.
"Buffer zone" is an area surrounding or adjacent to an area officially delimited for phytosanitary purposes in order to minimize the probability of spread of targeted pests or diseases, into or out of the delimited area and subject to phytosanitary or other control measures, if appropriate.
"Certified grape planting stock" means vines, rooted cuttings, tissue cultures, cuttings or grafted plants taken or propagated directly from G1 foundation vines or G2/G3 registered vines in compliance with the provisions of this chapter.
"Containerized plant" means any live plant grown in a container or pot-in-pot where the plant is healthy, vigorous, well-rooted, and established in soil-less media in the container in which it is growing.
"Clean cultivation" means the site is actively managed for weed control or is planted with a cover crop approved by the department.
"Department" means the department of agriculture of the state of Washington.
"Director" means the director of the department of agriculture or the director's designee.
"Foundation block" means a planting of grapevines established, operated, and maintained by the Clean Plant Center Northwest at Washington State University, or other sources approved in writing by the director, that are tested and found free from targeted pathogens and viruses designated in this chapter and that are not off-type.
"Generation 1 (G1)" means original mother vines identified as such by the Clean Plant Center Northwest at Washington State University or an equivalent facility approved by the department.
"Generation 2 (G2)" means grapevines propagated from G1 mother vines and grown under conditions to prevent infection, in accordance with the requirements of this chapter.
"Generation 3 (G3)" means grapevines propagated from G1 or G2 mother vines, for increase of propagative material, and grown under conditions that prevent infection, in accordance with the requirements of this chapter.
"Generation 4 (G4)" means grapevines propagated from G1, G2, or G3 mother vines and grown in accordance with this chapter. This is material most often distributed for sale to commercial vineyards and retail consumers.
"Grapevine" means commercially grown species in the genus Vitis.
"Lot" means a contiguous group of a selection within a block, derived from one or more G1 source grapevines obtained from a single clean plant source approved by the department.
"Mother vine" means a grapevine used as a source for propagation material.
"National Clean Plant Network (NCPN)" means the national network of clean plant centers established in 2008 and supported by the United States Department of Agriculture.
"Off-type" means appearing under visual examination to be different from the variety listed on the application for registration and certification, or exhibiting symptoms of a genetic or nontransmissible disorder.
"Registered block" means a planting of registered (G2/G3) grapevines maintained by a nursery and used as a source of propagation material for certified (G4) grapevines.
"Registered vine" means any G2 or G3 grapevine approved by the director, identified to a single (G1) grapevine source, and registered with the Washington state department of agriculture, in compliance with provisions of this chapter.
"Screenhouse" is a structure that includes screening designed to prevent the introduction of insect vectors.
"Tissue culture" means aseptically removing a vegetative shoot tip from growth arising from a dormant cutting or from green growth (i.e., softwood) from a plant during the growing season and aseptically transferring this shoot tip to a suitable vessel containing an appropriate culture medium.
"Virus-like" means a graft-transmissible disorder with symptoms resembling a characterized virus disease including, but not limited to, disorders caused by viroids and phytoplasmas.
Wash. Admin. Code § 16-462-015
Statutory Authority: Chapters 15.14 and 34.05 RCW. 11-01-092, § 16-462-015, filed 12/15/10, effective 1/15/11; 06-19-009, § 16-462-015, filed 9/8/06, effective 10/9/06. Statutory Authority: Chapter 15.14 RCW. 02-11-100, § 16-462-015, filed 5/20/02, effective 6/20/02; 99-12-025, § 16-462-015, filed 5/25/99, effective 6/25/99; 86-08-078 (Order 1883), § 16-462-015, filed 4/2/86; 78-10-072 (Order 1583), § 16-462-015, filed 9/27/78; Order 1397, § 16-462-015, filed 4/7/75; Order 1193, § 16-462-015, filed 4/19/71; Order 1084, § 16-462-015, filed 4/2/68.