# Council Directive of 14 June 1966 on the marketing of cereal seed (66/402/EEC), Division 5a

Extent: E+W+S+N.I.

Crops to produce basic and certified seed of hybrids of Hordeum vulgare by means of the technique of CMS:
(a) The crop shall conform to the following standards as regards distances from neighbouring sources of pollen which may result in undesirable foreign pollination:
Crop
Minimum distance
For the production of basic seed
100 m
For the production of certified seed
50 m
(b) The crop shall have sufficient varietal identity and purity as regards the characteristics of the components.
In particular the crop shall conform to the following standards:
(i) The percentage by number of plants which are obviously not being true to type shall not exceed:
for the crops used to produce basic seed, 0,1 % for the maintainer and the restorer line and 0,2 % for the CMS female component,
for the crops used to produce certified seed, 0,3 % for the restorer and the CMS female component and 0,5 % in case the CMS female component is a single hybrid.
(ii) The level of male sterility of the female component shall be at least:
99,7 % for crops used to produce basic seed,
99,5 % for crops used to produce certified seed.
(iii) The requirements of points (i) and (ii) shall be examined in official post-control test.
(c) Certified seed may be produced in mixed cultivation of a female male-sterile component with a male component which restores fertility.

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Source: https://www.legislation.gov.uk/eudr/1966/402/annex/I/division/5a (the official version)
Page: https://openlegislation.uk/eu-directive-1966-402/annex-I/division-5a
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.