# The Cereal Seeds Regulations 1993, Paragraph 3


The seeds shall comply with the following standards:—
(a) Oats, barley, wheat, durum wheat and spelt wheat
Minimum Standard
Higher Voluntary Standard
Germination (% by number)
All categories
85
85
Analytical Purity (% by weight)
Basic Seed (except triticale)
99
99
Basic Seed (triticale)
98
—
All other categories
98
99
In the case of varieties of Avena sativa which are officially classified as “naked oat” types the minimum germination standard is 75%. In such instances the official label shall be endorsed “minimum germination capacity 75%”.
Sample Purity Standards
Minimum Standard-maximum number of other seeds or structures in 500 g.
Seeds of Other Plant Species
Category
All other species
Other cultivated cereal species
All species other than cultivated cereals
Avena fatua Avena sterilis, Avena ludoviciana (wild oats) or Lolium temulentum (darnel)
Raphanus raphanistrum (wild radish), or Agrostemma githago (corn cockle)
Ergot (pieces)
! Concerning the maximum content of seed of the species Avena fatua, Avena sterilis, Avena ludoviciana or Lolium temulentum. The presence of one seed of one of these species in 500 g shall not be considered an impurity if a search of a further 500 g from the same submitted sample is free.
* Concerning the maximum content of seeds of other cereal species. Where the maximum content is fixed at one seed, a second seed shall not be regarded as an impurity, if a search of a further 500 g from the same submitted sample is free.
Basic Seed
4
1
3
0
1
1
Certified Seed of the First Generation and Certified Seed of the Second Generation
10
7
7
0
3
3
Higher Voluntary Standard-maximum number of other seeds or structures in 1 kg sample
Seeds of Other Plant Species
Category
All other species
Other cultivated cereal species
All species other than cereal species
Avena fatua Avena sterilis, Avena ludoviciana or Lolium temulentum
Raphanus raphanistrum or Agrostemma githago or Bromus sterilis (sterile brome) or Agropyron repens (Couch)
Ergot (pieces)
! In Basic Seed the nil standard shall apply in respect of Raphanus raphanistrum and Agrostemma githago only.
Basic Seed
1
0
1
0
0
0
Certified Seed of the First Generation
2
1
1
0
1
1
Certified Seed of the Second Generation
4
3
2
0
1
1
(b) Rye
Germination (% by number)
Basic and Certified Seed
85
Analytical Purity (% by weight)
Basic and Certified Seed
98
Sample Purity Standards
Maximum number of seeds in 500 g.
Seeds of Other Plant Species
Category
All other species
Other cultivated cereal species
All species other than cultivated cereals
Avena fatua Avena sterilis, Avena ludoviciana or Lolium temulentum
Raphanus raphanistrum or Agrostemma githago
Ergot (pieces)
! Concerning the maximum content of seed of the species Avena fatua, Avena sterilis, Avena ludoviciana or Lolium temulentum. The presence of one seed of one of these species in 500 g shall not be considered an impurity if a search of a further 500 g from the same submitted sample is free.
* Concerning the maximum content of seeds of other cereal species.Where the maximum content is fixed at one seed, a second seed shall not be regarded as an impurity, if a search of a further 500 g from the same submitted sample is free.
Basic Seed
4
1
3
0
1
1
Certified Seed …
10
7
7
0
3
3
(c) Maize
Germination (% by number)
All categories …
90
Analytical Purity (% by weight) …
All categories …
98
Sample Purity Standards
Maximum content of seeds of other plant species (number of seeds in 250 g) (All categories)
Nil

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Source: https://www.legislation.gov.uk/uksi/1993/2005/schedule/4/part/II/paragraph/3 (the official version)
Page: https://openlegislation.uk/cereal-seeds-regulations-1993/schedule-4/part-II/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.