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PDFWAC 16-324-382

Seed potato classification.

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