Washington Administrative Code
Title 16 - Agriculture, Department of (See also Titles 24, 60, and 142)
SEEDS AND PLANTING STOCK CERTIFICATION
Chapter 16-324 - Certification of seed potatoes
Section 16-324-382 - Seed potato classification

Universal Citation: WA Admin Code 16-324-382

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

(1) All seed potatoes entered for certification are classified on the basis of production phases as follows:

(a) Prenuclear (PN) - Micropropagated potatoes or seed potatoes grown in a greenhouse or screenhouse under sanitary conditions free of insects, weeds that can harbor potato diseases or other sources of disease contamination.

(b) Nuclear (N) - First field production year.

(c) Generation 1 (G1) - Second field production year.

(d) Generation 2 (G2) - Third field production year.

(e) Generation 3 (G3) - Fourth field production year.

(f) Generation 4 (G4) - Fifth field production year.

(g) Generation 5 (G5) - Sixth field production year.

(2) If a seed lot fails to meet the standards established in this chapter for its class, then it will be reclassified to the earliest generation for which it meets established standards.

Statutory Authority: Chapter 15.14 RCW. 00-20-070, § 16-324-382, filed 10/3/00, effective 11/3/00. Statutory Authority: RCW 15.14.030. 97-11-028, § 16-324-382, filed 5/14/97, effective 6/14/97.

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