Washington Administrative Code
Title 16 - Agriculture, Department of (See also Titles 24, 60, and 142)
SEEDS AND PLANTING STOCK CERTIFICATION
Chapter 16-350 - Registration and certification of fruit tree planting stock
Section 16-350-035 - Requirements for certified nursery planting stock

Universal Citation: WA Admin Code 16-350-035

Current through Register Vol. 24-06, March 15, 2024

(1) All nursery stock being grown for certification must be propagated on certified rootstock. Certified rootstock must comply with at least one of the following conditions:

(a) Rootstock propagated directly from registered trees.

(b) Rootstock originating from other approved certification programs, if the rootstock was propagated directly from mother plants that have been tested and found free of all known virus and virus-like diseases.

(c) Prunus persica seedlings grown from commercial seed, if the seed lot has been tested for transmissible virus content, and not more than five percent of the seed tested positive for transmissible virus content.

(d) Pome fruit seedlings.

(2) Growers must keep records identifying the scion, rootstock, and interstock sources for all Washington certified stock. Upon request, these records must be made available to the department.

(3) Seed may be designated as Washington certified seed only if both of the following conditions are complied with:

(a) The seed was produced on registered seed trees; and

(b) The seed lot has been tested for transmissible virus content, and not more than five percent of the seed tested positive for transmissible viruses.

(4) Washington certified nursery stock must be identified by a blue certification tag.

(5) When it is offered for sale, Washington certified nursery stock must be identified as to variety, interstock and rootstock.

Statutory Authority: Chapters 15.14 and 34.05 RCW. 05-03-042, § 16-350-035, filed 1/11/05, effective 2/11/05. Statutory Authority: Chapter 15.14 RCW. 00-19-036, § 16-350-035, filed 9/12/00, effective 10/13/00; 90-23-006 (Order 2058), § 16-350-035, filed 11/9/90, effective 12/10/90; Order 1331, § 16-350-035, filed 1/15/74; Order 1300, § 16-350-035, filed 3/26/73; Order 951, Regulation 2(d), filed 7/2/64; Order 890, Regulation 2 (part), effective 9/17/62.

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