# Commission Implementing Directive (EU) 2020/177 of 11 February 2020 amending Council Directives 66/401/EEC, 66/402/EEC, 68/193/EEC, 2002/55/EC, 2002/56/EC and 2002/57/EC, Commission Directives 93/49/EEC and 93/61/EEC and Implementing Directives 2014/21/EU and 2014/98/EU as regards pests of plants on seeds and other plant reproductive material (Text with EEA relevance), Annex IX: Amendment of Implementing Directive 2014/21/EU Extent: E+W+S+N.I. The Annex to Implementing Directive 2014/21/EU is replaced by the following: 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, including tubers, are produced through micro-propagation; (iii) plants, including tubers, are produced in a protected facility and in a growing medium which is free from pests; (iv) tubers shall not be multiplied beyond the first generation; (v) plants shall comply with the following thresholds concerning the presence of RNQPs, or symptoms caused by the respective RNQP, as set out in the following table: RNQPs or symptoms caused by RNQPs Threshold for the presence of RNQPs on the growing plants for pre-basic seed potatoes of Union grade PBTC Blackleg (Dickeya Samson et al. spp. [1DICKG]; Pectobacterium Waldee emend. Hauben et al. spp. [1PECBG]) 0 % Candidatus Liberibacter solanacearum Liefting et al. [LIBEPS] 0 % Candidatus Phytoplasma solani Quaglino et al. [PHYPSO] 0 % Mosaic symptoms caused by viruses and symptoms caused by Potato leaf roll virus [PLRV00] 0 % Potato spindle tuber viroid [PSTVD0] 0 % RNQPs or symptoms caused by RNQPs Threshold for the presence of RNQPs on the direct progeny of pre-basic seed potatoes of Union grade PBTC Symptoms of virus infection 0 %. (b) conditions concerning lots: (i) they shall be free from seed potatoes affected by rots; (ii) they shall be free from seed potatoes affected by common scab; (iii) they shall be free from seed potatoes excessively shrivelled due to dehydration; (iv) they shall be free from seed potatoes with external blemishes, including misshapen or damaged tubers; (v) lots of pre-basic seed potatoes shall comply with the following thresholds concerning the presence of RNQPs, or symptoms caused by the respective RNQPs as set out in the following table: RNQPs or symptoms caused by RNQPs Threshold for the presence of RNQPs on the lots of pre-basic seed potatoes of Union grade PBTC by mass Candidatus Liberibacter solanacearum Liefting et al. [LIBEPS] 0 % Ditylenchus destructor Thorne [DITYDE] 0 % Black scurf as caused by Thanatephorus cucumeris (A.B. Frank) Donk [RHIZSO] 0 % Powdery scab as caused by Spongospora subterranea (Wallr.) Lagerh. [SPONSU] 0 %. (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 comply with the following thresholds concerning the presence of RNQPs, or symptoms caused by the respective RNQPs, as set out in the following table: RNQPs or symptoms caused by RNQPs Threshold for the presence of RNQPs on the growing plants for pre-basic seed potatoes of Union grade PB Blackleg (Dickeya Samson et al. spp. [1DICKG]; Pectobacterium Waldee emend. Hauben et al. spp. [1PECBG]) 0 % Candidatus Liberibacter solanacearum Liefting et al. [LIBEPS] 0 % Candidatus phytoplasma solani Quaglino et al. [PHYPSO] 0 % Mosaic symptoms caused by viruses and symptoms caused by Potato leaf roll virus [PLRV00] 0,1 % Potato spindle tuber viroid [PSTVD0] 0 % RNQPs or symptoms caused by RNQPs Threshold for the presence of RNQPs on the direct progeny of pre-basic seed potatoes of Union grade PB Symptoms of virus infection 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 common scab over more than one third of their surface, shall not exceed 5,0 % by mass; (iii) shrivelled tubers due to excessive dehydration or dehydration caused by silver scurf, shall not exceed 0,5 % by mass; (iv) seed potatoes with external blemishes, including misshapen or damaged tubers, shall not exceed 3,0 % by mass; (v) the presence of earth and extraneous matter shall not exceed 1,0 % by mass; (vi) lots of pre-basic seed potatoes shall comply with the following thresholds concerning the presence of RNQPs, or symptoms caused by the respective RNQPs as set out in the following table: RNQPs or symptoms caused by RNQPs Threshold for the presence of RNQPs on the lots of pre-basic seed potatoes of Union grade PB by mass 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 %; (vii) the total percentage of seed potatoes covered by tolerances, as referred to in points (i) to (iv) and (vi), shall not exceed 6,0 % by mass. --- Source: https://www.legislation.gov.uk/eudr/2020/177/annex/IX (the official version) Page: https://openlegislation.uk/eu-directive-2020-177/annex-IX Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.