NAC587.414. Eligibility: Diseases and other factors making planting ineligible; required protective and corrective measures.

     1. A planting is not eligible to produce certified seed potatoes if any of the following diseases have been proven to exist in the field or in potatoes grown in the field:

     (a) Root-knot nematode.

     (b) Corky ring spot.

     (c) Rhizomania.

     2. In addition to the provisions of subsection 1, a planting is not eligible to produce certified seed potatoes unless, before the planting:

     (a) The person conducting the planting submits to the Department a plan for the management of golden nematodes and any necrotic viruses that affect potatoes; and

     (b) The Department approves the plan.

     3. A plan submitted pursuant to subsection 2 may include, without limitation:

     (a) Any survey of the planting;

     (b) Any record of inspection of the planting; and

     (c) Any other information specified by the Department.

     4. A field is not eligible to produce certified seed potatoes if any of the following potatoes were grown in the field during the previous growing season:

     (a) Noncertified potatoes.

     (b) Potatoes proven to be infected with bacterial ring rot.

     5. For a planting to be eligible to produce certified seed potatoes, if noncertified potatoes or potatoes proven to be infected with bacterial ring rot were grown in the field, the grower must farm the field with a crop other than potatoes immediately following the growing season during which the noncertified or infected potatoes were grown.

     6. For a planting to be eligible to produce certified seed potatoes, the grower must:

     (a) Rogue all diseased and off-type plants during the growing season;

     (b) Remove from the planting and destroy all rogued plants, seed pieces, new tubers and off-type plants; and

     (c) Not rogue plants infected with bacterial ring rot.

     (Added to NAC by Dep’t of Agriculture by R036-01, eff. 10-17-2001; A by R031-06, 6-28-2006)