NAC587.438. Postharvest testing of seed lots; submission of samples; disease tolerance levels for seed lots.

     1. The Department will conduct a postharvest test on each seed lot that has passed both field inspections.

     2. For each seed lot, the grower must submit to the Department samples for the postharvest test. The samples must:

     (a) Contain only single drop tubers of not more than 2 ounces;

     (b) Be randomly selected so as to adequately represent the entire seed lot; and

     (c) Be submitted in bags weighing not more than 50 pounds each.

     3. For each seed lot, the grower must submit to the Department the following number of samples:

Acres	Number of Tubers
1 to 5	220
6 to 10	440
11 to 20	660
21 to 40	880
41 to 80	1100
81 or more	additional 330 tubers for each               30 acres in excess of 80 acres

     4. To be eligible for certification or recertification, a seed lot must not exceed the following maximum percentages of disease tolerances:

Factor	Certification	Recertification
Potato leaf roll virus	2.00	0.80
Well-defined mosaic	10.00	2.00
Seed-borne chemical injury	5.00	not applicable

     (Added to NAC by Dep’t of Agriculture by R036-01, eff. 10-17-2001)