F1ANNEX IIMINIMUM QUALITY CONDITIONS FOR LOTS OF SEED POTATOES

Annotations:

The following tolerances for impurities, blemishes and RNQPs, or symptoms caused by RNQPs, are allowed for seed potatoes:

  1. (1)

    presence of earth and extraneous matter: 1,0 % by mass for basic seed potatoes and 2,0 % by mass for certified seed potatoes;

  2. (2)

    dry and wet rot combined, except if caused by Synchytrium endobioticum, Clavibacter michiganensis ssp. sepedonicus or Ralstonia solanacearum: 0,5 % by mass, of which wet rot 0,2 % by mass;

  3. (3)

    external blemishes, e.g. misshapen or damaged tubers: 3,0 % by mass;

  4. (4)

    common scab affecting tubers over more than one third of their surface: 5,0 % by mass;

  5. (5)

    shrivelled tubers due to excessive dehydration or dehydration caused by silver scurf: 1,0 % by mass;

  6. (6)

    RNQPs, or symptoms caused by RNQPs, on lots of seed potatoes:

    RNQPs or symptoms caused by RNQPs

    Threshold of the presence of the RNQPs on basic seed potatoes by mass

    Threshold of the presence of the RNQPs on certified seed potatoes by mass

    Candidatus Liberibacter solanacearum Liefting et al.

    0 %

    0 %

    Ditylenchus destructor Thorne [DITYDE]

    0 %

    0 %

    Black scurf affecting tubers over more than 10 % of their surface as caused by Thanatephorus cucumeris (A.B. Frank) Donk [RHIZSO]

    5,0 %

    5,0 %

    Powdery scab affecting tubers over more than 10 % of their surface as caused by Spongospora subterranea (Wallr.) Lagerh. [SPONSU]

    3,0 %

    3,0 %;

  7. (7)

    total tolerance for items 2 to 6: 6,0 % by mass for basic seed potatoes, and 8,0 % by mass for certified seed potatoes.