Minimum conditions for lots of pre-basic seed potatoes
Article 3
Member States shall provide that lots of pre-basic seed potatoes shall satisfy the following minimum conditions: (a) presence of earth and extraneous matter shall not exceed 1,0 % by mass; (b) the number of potatoes affected by rots, other than ring rot or brown rot, shall not be present in a quantity exceeding 0,2 % by mass; (c) the number of potatoes with external blemishes, including misshapen or damaged tubers, shall not exceed 3,0 % by mass; (d) the number of potatoes affected by common scab over more than one third of their surface shall not exceed 5,0 % by mass; (e) shrivelled tubers due to excessive dehydration or dehydration caused by silver scurf shall not exceed 0,5 % by mass; (f) lots of pre-basic seed potatoes shall comply with the following requirements concerning the presence of RNQPs, or diseases caused by the respective RNQPs as set out in the table: RNQPs or symptoms caused by RNQPs Threshold for the presence of RNQPs on the lots of pre-basic seed potato Candidatus Liberibacter solanacearum Liefting et al . [LIBEPS] 0 % Ditylenchus destructor Thorne [DITYDE] 0 % Black scurf affecting tubers over more than 10 % of their surface as caused by Thanatephorus cucumeris (A.B. Frank) Donk [RHIZSO] 1,0 % Powdery scab affecting tubers over more than 10 % of their surface as caused by Spongospora subterranea (Wallr.) Lagerh. [SPONSU] 1,0 % (g) the total number of potatoes, as referred to in points (b) to (f), shall not exceed 6,0 % by mass.