8. No growing crop certificate may be issued containing a statement that seed potatoes are capable of being marketed as basic seed potatoes of any grade unless the authorised officer is satisfied that the immediately succeeding crop produced from the seed potatoes is not likely to contain—U.K.
(a)more than 0.25% by number of growing plants which do not breed true to variety or are a different variety; and
(b)in the case of—
(i)[F1GB] grade S, not more than 1%,
(ii)[F1GB] grade SE, not more than 2%, and
(iii)[F1GB] grade E, not more than 4%,
by number of growing plants which show symptoms of virus diseases F2...where those symptoms are attributable to infection in the mother crop.
Textual Amendments
F1Word in Sch. 1 para. 8 substituted (31.12.2020) by The Animal Health, Plant Health, Seeds and Seed Potatoes (Amendment) (EU Exit) Regulations 2019 (S.I. 2019/809), regs. 1(b), 7(15)(b) (as amended by S.I. 2020/1388, regs. 1(2)(a), 21(4)(l)(ii)); 2020 c. 1, Sch. 5 para. 1(1)
F2Words in Sch. 1 para. 8 omitted (24.7.2020) by virtue of The Marketing of Seed, Plant and Propagating Material (England) Regulations 2020 (S.I. 2020/682), regs. 1(1), 5(3)(b)