Washington Administrative Code (Last Updated: November 23, 2016) |
Title 16. Agriculture, Department of (See Titles 24, 60, and 142) |
Chapter 16-324. Certification of seed potatoes. |
Section 16-324-382. Seed potato classification.
Latest version.
- (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.