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PDFWAC 16-462-015


The definitions in this section apply throughout this chapter unless the context clearly requires otherwise:
"Certified grape planting stock" means vines, rooted cuttings, cuttings or grafted plants taken or propagated directly from foundation vines or registered vines in compliance with the provisions of this chapter.
"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 Washington State University, or other sources approved in writing by the director, that are indexed and found free from viruses designated in this chapter and that are not off-type.
"Generation 1 (G1)" means original mother plants indexed for the viruses of concern by the Clean Plant Center Northwest at Washington State University or an equivalent facility approved by the department. The Clean Plant Center Northwest web site is:
"Generation 2 (G2)" means grapevines propagated from G1 mother plants and grown in accordance with the requirements of this chapter.
"Generation 3 (G3)" means grapevines propagated from G1 or G2 mother plants and grown in accordance with the requirements of this chapter.
"Generation 4 (G4)" means grapevines propagated from G1, G2, or G3 mother plants and grown in accordance with this chapter. This is material most often grown for commercial vineyards.
"Index" means testing for virus infection by making a graft with tissue from the plant being tested to an indicator plant, or by any other testing method approved by the department.
"Indicator plant" means any herbaceous or woody plant used to index or determine virus infection.
"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. The NCPN web site is:
"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 grapevines maintained by a nursery and used as a source of propagation material for certified grapevines.
"Registered vine" means any G2 or G3 grapevine approved by the director, identified to a single grapevine source, and registered with the Washington state department of agriculture, in compliance with provisions of this chapter.
"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.
[Statutory Authority: RCW 15.14.015 and chapter 34.05 RCW. WSR 14-21-035, § 16-462-015, filed 10/7/14, effective 11/7/14. Statutory Authority: Chapters 15.14 and 34.05 RCW. WSR 11-01-092, § 16-462-015, filed 12/15/10, effective 1/15/11; WSR 06-19-009, § 16-462-015, filed 9/8/06, effective 10/9/06. Statutory Authority: Chapter 15.14 RCW. WSR 02-11-100, § 16-462-015, filed 5/20/02, effective 6/20/02; WSR 99-12-025, § 16-462-015, filed 5/25/99, effective 6/25/99; WSR 86-08-078 (Order 1883), § 16-462-015, filed 4/2/86; WSR 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.]
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