ANNEXSupplementary provisions
ANNEX Conditions for placing on the market of pre-basic seed potatoes as Union grades PBTC and PB (1) The conditions for pre-basic seed potatoes of Union grade PBTC shall be as follows: (a) conditions concerning seed potatoes: (i) plants not breeding true to the variety, or plants of a different variety, shall not be present in the crop; (ii) plants affected by blackleg shall not be present in the crop; (iii) in the direct progeny, virus infection shall not be present in the crop; (iv) plants with mosaic symptoms or symptoms caused by leaf roll virus shall not be present in the crop; (v) the plants, including tubers, are produced through micro-propagation; (vi) the plants, including tubers, are produced in a protected facility and in a growing medium which is free from pests; (vii) tubers shall not be multiplied beyond the first generation. (b) lots shall be free from seed potatoes falling under any of the following points: (i) they are affected by rots; (ii) they are affected by black scurf; (iii) they are affected by common scab; (iv) they are affected by powdery scab; (v) they have become excessively shrivelled due to dehydration; (vi) they have external blemishes, including misshapen or damaged tubers. (2) The conditions for pre-basic seed potatoes of Union grade PB shall be as follows: (a) conditions concerning seed potatoes: (i) the number of plants not breeding true to the variety and the number of plants of a different variety together, shall not exceed 0,01 %; (ii) plants shall be free from symptoms of blackleg; (iii) the number of growing plants with mosaic symptoms or symptoms caused by leaf roll virus shall not exceed 0,1 %; (iv) in the direct progeny, the number of plants with symptoms caused by any virus, shall not exceed 0,5 %. (b) tolerances applicable to lots, as regards the following impurities, blemishes and diseases: (i) seed potatoes affected by rots, other than ring rot or brown rot, shall not exceed 0,2 % by mass; (ii) seed potatoes affected by black scurf over more than 10,0 % of their surface, shall not exceed 1,0 % by mass; (iii) seed potatoes affected by common scab over more than one third of their surface, shall not exceed 5,0 % by mass; (iv) seed potatoes affected by powdery scab over more than 10,0 % of their surface, shall not exceed 1,0 % by mass; (v) shrivelled tubers due to excessive dehydration or dehydration caused by silver scurf, shall not exceed 0,5 % by mass; (vi) seed potatoes with external blemishes, including misshapen or damaged tubers, shall not exceed 3,0 % by mass; (vii) the presence of earth and extraneous matter shall not exceed 1,0 % by mass; (viii) the total percentage of seed potatoes covered by tolerances, as referred to in points (i) to (vi), shall not exceed 6,0 % by mass.