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The Seed Potatoes (Wales) Regulations 2006

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Regulation 2(3) and Schedule 1

SCHEDULE 4CLASSIFICATION OF SEED POTATOES

PART ISeed potatoes capable of being marketed as pre-basic seed potatoes

In the course of making a determination for the purposes of Schedule 1, paragraph 1(b), where an authorised officer determines that seed potatoes are capable of being marketed as pre-basic seed potatoes, he or she may classify them as being seed potatoes of any of the classes specified in column 1 of table 1 where he or she is satisfied following inspection that the requirements specified in column 2 in relation to that class have been met.

Table 1

Column 1Column 2
ClassRequirements
Pre-basic TC

(1) The seed potatoes must—

(a)be derived from nuclear stock or tested tubers supplied by a source acceptable to the National Assembly which have been grown on a unit where no material of the species Solanaceae or other material, other than that derived from nuclear stock or tested tubers from a source acceptable to the National Assembly, has been grown; and

(b)have been kept free from—

(i)potato viruses A, M, S, X, Y, leafroll, potato mop top virus, tobacco rattle virus and tobacco veinal necrosis or any other significant virus,

(ii)witches' broom and blackleg,

(iii)deviations of variety and type, and

(iv)groundkeepers.

Pre-basic 1

(2) The seed potatoes must—

(a)be derived from—

(i)nuclear stock or tested tubers supplied by a source acceptable to the National Assembly which have been grown on a unit where no material of the species Solanaceae or other material, other than that derived from nuclear stock or tested tubers from a source acceptable to the National Assembly, has been grown;

(ii)a stock which was classified as pre-basic TC in the year preceding the planting of the crop; or

(iii)such other seed potatoes as have been notified in writing by the National Assembly as being acceptable to it; and

(b)have been kept free from—

(i)potato viruses A, M, S, X, Y, leafroll, potato mop top virus, tobacco rattle virus and tobacco veinal necrosis or any other significant virus,

(ii)witches' broom and blackleg,

(iii)deviations of variety and type, and

(iv)groundkeepers.

Pre-basic 2

(3) The seed potatoes must—

(a)be derived from—

(i)a stock which was classified as pre-basic 1 in the year preceding the planting of the crop; or

(ii)such other seed potatoes as have been notified in writing by the National Assembly as being acceptable to it; and

(b)have been kept free from—

(i)potato viruses A, M, S, X, Y, leafroll, potato mop top virus, tobacco rattle virus and tobacco veinal necrosis or any other significant virus,

(ii)witches' broom and blackleg,

(iii)deviations of variety and type, and

(iv)groundkeepers.

Pre-basic 3

(4) The seed potatoes must—

(a)be derived from—

(i)a stock which was classified as pre-basic 2 in the year preceding the planting of the crop; or

(ii)such other seed potatoes as have been notified in writing by the National Assembly as being acceptable to it; and

(b)have been kept free from—

(i)potato viruses A, M, S, X, Y, leafroll, potato mop top virus, tobacco rattle virus and tobacco veinal necrosis or any other significant virus,

(ii)witches' broom and blackleg,

(iii)deviations of variety and type, and

(iv)groundkeepers.

Pre-basic 4

(5) The seed potatoes must—

(a)be derived from—

(i)a stock which was classified as pre-basic 3 in the year preceding the planting of the crop; or

(ii)such other seed potatoes as have been notified in writing by the National Assembly as being acceptable to it; and

(b)have been kept free from—

(i)potato viruses A, M, S, X, Y, leafroll, potato mop top virus, tobacco rattle virus and tobacco veinal necrosis or any other significant virus,

(ii)witches' broom and blackleg,

(iii)deviations of variety and type, and

(iv)groundkeepers.

PART IISeed potatoes capable of being marketed as basic seed potatoes

In the course of making a determination for the purposes of Schedule 1, paragraph 1(b), where an authorised officer determines that seed potatoes are capable of being marketed as basic seed potatoes, he or she may classify them as being seed potatoes of—

(a)any of the classes specified in column 1 of table 2 where he or she is satisfied following inspection that the requirements specified in column 2 in relation to that class have been met and that the tolerances specified in column 3 have not been exceeded in respect of those seed potatoes; or

(b)a Community Grade where he or she is satisfied following inspection that the requirements of Commission Directive 93/17/EEC of 30 March 1993 determining Community Grades of basic seed potatoes, together with the conditions and designations applicable to such grades( ) have been met.

Table 2

Column 1Column 2Column 3
ClassRequirementsTolerances
Super Elite 1 (SE1)

(6) The seed potatoes must be derived from—

(a)a stock of pre-basic seed potatoes or a stock classified under the Seed Potatoes Regulations 1991 as VTSC 1 or VTSC 2 in the year preceding the planting of the crop; or

(b)such other seed potatoes as have been notified in writing by the National Assembly as being acceptable to it.

(i)deviations from variety and type and groundkeepers — 0.05%.

(ii)severe mosaic — nil.

(iii)leafroll — 0.01%.

(iv)mild mosaic — 0.05%.

(v)blackleg — 0.25%.

Super Elite 2 (SE2)

(7) The seed potatoes must be derived from—

(a)a stock which was classified as SE1 in the year preceding the planting of the crop; or

(b)such other seed potatoes as have been notified in writing by the National Assembly as being acceptable to it.

As for class SE1 potatoes.
Super Elite 3 (SE3)

(8) The seed potatoes must be derived from—

(a)a stock which was classified as SE2 in the year preceding the planting of the crop; or

(b)such other seed potatoes as have been notified in writing by the National Assembly as being acceptable to it.

As for class SE1 potatoes.
Elite 1 (E1)

(9) The seed potatoes must be derived from—

(a)a stock which was certified as pre-basic seed potatoes or basic seed potatoes (other than E1, E2, E3 or A class) in the year preceding the planting of the crop; or

(b)such other seed potatoes as have been notified in writing by the National Assembly as being acceptable to it.

(i)deviations from variety and type and groundkeepers — 0.05%.

(ii)total virus disease (leafroll, severe mosaic and mild mosaic) — 0.5% of which not more than 0.1% in total is leafroll and severe mosaic.

(iii)blackleg — 0.5%.

Elite 2 (E2)

(10) The seed potatoes must be derived from—

(a)a stock which was classified as E1 in the year preceding the planting of the crop;

(b)basic seed potatoes of Community Grade EC grade 1 or EC grade 2; or

(c)such other seed potatoes as have been notified in writing by the National Assembly as being acceptable to it.

As for class E1 potatoes.
Elite 3 (E3)

(11) The seed potatoes must be derived from—

(a)a stock which was classified as E2 in the year preceding the planting of the crop; or

(b)such other seed potatoes as have been notified in writing by the National Assembly as being acceptable to it.

As for class E1 potatoes.
A

(12) The seed potatoes must be derived from—

(a)inside the protected region, a stock which was certified as pre-basic seed potatoes or basic seed potatoes (other than A class) in the year preceding the planting of the crop;

(b)outside the protected region, a stock of pre- basic seed potatoes or basic seed potatoes of Community Grade EC grade 3; or

(c)such other seed potatoes as have been notified in writing by the National Assembly as being acceptable to it.

(i)deviations from variety and type and groundkeepers — 0.1%.

(ii)total virus disease — 0.8% of which not more than 0.4% in total is leafroll and severe mosaic.

(iii)blackleg — 1.0%.

PART IIISeed potatoes capable of being marketed as certified seed potatoes

In the course of making a determination for the purposes of Schedule 1, paragraph 1(b), where an authorised officer determines that seed potatoes are capable of being marketed as certified seed potatoes, he or she must classify them as seed potatoes of a class known as CC class where he or she is satisfied on a sample that the requirements specified in column 2 of table 3 in relation to that class have been met and that the tolerances specified in column 3 have not been exceeded in respect of those potatoes.

Table 3

Column 1Column 2Column 3
ClassRequirementsTolerances
CCThe seed potatoes must be produced—

(a)directly from pre-basic seed potatoes, basic seed potatoes or certified seed potatoes; or

(b)from a crop grown with the authority of or in circumstances notified in writing as being acceptable to the National Assembly.

(i)leafroll and severe mosaic — 2.0%

(ii)mild mosaic — 5.0%, providing that the total of leafroll and mild mosaic does not exceed 5%

(iii)blackleg — 2.0%

(iv)deviations from variety and type and groundkeepers — 0.5%, of which deviation from variety — 0.2%.

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