The Cereal Seed (Scotland) Regulations 2005

Isolation distances – minimum distances

7.  For maize, rye and self pollinating varieties of triticale, the minimum distance from neighbouring crops or plants of other species, or of other varieties of the same species, liable to cross pollinate with the crop shall be the distances specified in column 2 of the following table for the corresponding crop specified in column 1 of the table (which can include any distance of at least 2 metres of fallow ground required under paragraph 6)–

Column 1	Column 2
Crop	Minimum Distance
(a) Maize–
(i) for the production of Basic Seed	200 metres
(ii) for the production of Certified Seed	200 metres
(b) Self–pollinating variety of triticale
(i) for the production of Basic Seed	50 metres
(ii) for the production of Certified Seed	20 metres
(c) Rye (other than hybrids)–
(i) for the production of Basic Seed	300 metres
(ii) for the production of Certified Seed	250 metres
(d) Hybrids of rye–
(i) for the production of Basic Seed where male sterility is used	1,000 metres
(ii) for the production of Basic Seed where male sterility is not used	600 metres
(iii) for the production of Certified Seed	500 metres

but with the approval of the Scottish Ministers these distances may be modified or disregarded if there is adequate protection against undesirable foreign pollen.