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[F1ANNEX I U.K. CONDITIONS TO BE SATISFIED BY THE CROP

1. The previous cropping of the field shall not have been incompatible with the production of seeds of the species and variety of the crop, and the field shall be sufficiently free from such plants which are volunteers from previous cropping. U.K.

[F22. The crop shall conform to the following standards as regards distances from neighbouring sources of pollen which may result in undesirable foreign pollination: U.K.

a

In the areas where the presence of S. halepense or S. sudanense is a particular cross-pollination issue, the following shall apply:

a)

crops to produce basic seed of Sorghum bicolor or its hybrids must be isolated not less than 800 m from any source of such contaminating pollen;

b)

crops to produce certified seed of Sorghum bicolor or its hybrids must be isolated not less than 400 m from any source of such contaminating pollen.

Crop Minimum distance
Phalaris canariensis, Secale cereale other than hybrids:
for the production of basic seed
300 m
for the production of certified seed
250 m
Sorghum spp.
for the production of basic seed a
400 m
for the production of certified seed a
200 m
xTriticosecale , self-pollinating varieties
for the production of basic seed
50 m
for the production of certified seed
20 m
Zea mays 200 m

The minimum distances listed in the table above may be disregarded if there is sufficient protection from any undesirable foreign pollination.]

3. The crop shall have sufficient varietal identity and varietal purity or, in the case of a crop of an inbred line, sufficient identity and purity as regards its characteristics. For the production of seed of hybrid varieties, the abovementioned provisions shall also apply to the characteristics of the components, including male sterility or fertility restoration U.K.

In particular, crops of Oryza sativa, Phalaris canariensis, Secale cereale other than hybrids, Sorghum spp. and Zea mays shall conform to the following other standards or conditions:

A.

[F3Oryza sativa:

The number of plants which are recognisable as obviously being infected by Fusarium fujikuroi shall not exceed:

  • 2 per 200 m 2 for the production of basic seed,

  • 4 per 200 m 2 for the production of certified seed, first generation,

  • 8 per 200m 2 for the production of certified seed, second generation.

The number of plants which are recognisable as obviously being wild or red-grain plants shall not exceed:

  • 0 for the production of basic seed,

  • 1 per 100 m 2 for the production of certified seed, first and second generation,]

B.

Phalaris canariensis, Secale cereale other than hybrids:

The number of plant of the crop species, which are recognisable as obviously not being true to the variety shall not exceed:

  • one per 30 m2 for the production of basic seed,

  • one per 10 m2 for the production of certified seed,

C.

Sorghum spp.

(a)

The percentage by number of plants of a Sorghum species other than the crop species or plants which are recognisable as obviously not being true to the inbred line or to the component shall not exceed:

(aa)

for the production of basic seed

(i)

at flowering: 0,1 %;

(ii)

at maturity: 0,1 %;

(bb)

for the production of certified seed

(i)

plants of the male component which have shed pollen when the plants of the female component have receptive stigmas: 0,1 %;

(ii)

plants of the female component

  • at flowering: 0,3 %;

  • at maturity: 0,1 %;

(b)

The following other standards or conditions shall be satisfied for the production of certified seed of hybrid varieties:

(aa)

sufficient pollen shall be shed by the plants of the male component while the plants of the female component have receptive stigmas;

(bb)

where plants of the female component have receptive stigmas, the percentage of plants of that component which have shed pollen or are shedding pollen shall not exceed 0,1 %;

(c)

Crops of open pollinated varieties or synthetic varieties of Sorghum spp. shall conform to the following standards: the number of plants of the crop species, which are recognisable as obviously not being true to the variety shall not exceed:

  • one per 30 m 2 for the production of basic seed,

  • one per 10 m 2 for the production of certified seed,

D.

Zea mays :

(a)

The percentage by number of plants which are recognisable as obviously not being true to the variety, to the inbred line, or to the component shall not exceed:

(aa)

for the production of basic seed:

(i)

inbred lines, 0,1 %;

(ii)

simple hybrid, each component, 0,1 %;

(iii)

open-pollinated varieties, 0,5 %;

(bb)

for the production of certified seed:

(i)

hybrid varieties component:

  • inbred lines, 0,2 %;

  • simple hybrid, 0,2 %;

  • open-pollinated variety, 1,0 %;

(ii)

open-pollinated varieties, 1,0 %;

(b)

The following other standards or conditions shall be satisfied for the production of seed of hybrid varieties:

(aa)

a sufficient pollen shall be shed by the plants of the male component while the plants of the female component are in flower;

(bb)

where appropriate, emasculation shall be carried out;

(cc)

where 5 % or more of the female component plants have receptive stigmas, the percentage of female component which have shed pollen or are shedding pollen shall not exceed:

  • 1 % at any official field inspection, and,

  • 2 % at the total of the official field inspections,

Plants are considered as having shed pollen or shedding pollen where, on 50 mm or more of the central axis or laterals of a panicle, the anthers have emerged from their glumes and have shed or are shedding pollen.

4. Hybrids of Secale cereale U.K.

(a) The crop shall conform to the following standards as regards distances from neighbouring sources of pollen which may result in undesirable foreign pollination. U.K.

(b) The crop shall have sufficient identity and purity as regards the characteristics of the components, including male sterility. U.K.

In particular, the crop shall conform to the following other standards or conditions:

(i)

the number of plants of the crop species, which are recognisable as obviously not being true to the component shall not exceed,

  • one per 30 m 2 for the production of basic seed,

  • one per 10 m 2 for the production of certified seed, this standard to apply in official field inspections to the female component only;

(ii)

in the case of basic seed, where male sterility is used, the level of sterility of the male-sterile component shall be at least 98 %.

(c) Where appropriate, certified seed shall be produced in mixed cultivation of a female male-sterile component with a male component which restores male fertility. U.K.

5. [F4Crops to produce certified seed of hybrids of Avena nuda, Avena sativa, Avena strigosa, Oryza sativa, Triticum aestivum, Triticum durum, Triticum spelta and self-pollinating xTriticosecale and crops to produce certified seed of hybrids of Hordeum vulgare by means of a technique other than Cytoplasmic Male Sterility (CMS)] U.K.

(a) The crop shall conform to the following standards as regards distances from neighbouring sources of pollen which may result in undesirable foreign pollination: U.K.

  • the minimum distance of the female component shall be 25 m from any other variety of the same species except from a crop of the male component,

  • this distance can be disregarded if there is sufficient protection from any undesirable foreign pollination;

(b) The crop shall have sufficient identity and purity as regards the characteristics of the components. U.K.

Where seed is produced by use of a chemical hybridisation agent, the crop shall conform to the following other standards or conditions:

(i)

the minimum varietal purity of each component shall be:

  • Avena nuda, Avena sativa, Avena strigosa, Hordeum vulgare, Oryza sativa, Triticum aestivum, Triticum durum and Triticum spelta : 99,7 %,

  • self-pollinating xTriticosecale : 99,0 %;

(ii)

the minimum hybridity must be 95 %. The percentage hybridity shall be assessed in accordance with current international methods, in so far as such methods exist. In cases where the hybridity is determined during seed testing prior to certification, the determination of the hybridity during field inspection need not be done.

[F55a. Crops to produce basic and certified seed of hybrids of Hordeum vulgare by means of the technique of CMS: U.K.

(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.]