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Plant Improvement Act, 1976 (Act No. 53 of 1976)

Notices

South African Seed Potato Certification Scheme

11. Requirements with regard to propagating material

 

(1) Propagating material cultivated on a unit must—
(a) be true to variety;
(b) test free from Ralstonia spp. in a laboratory approved by the authority in accordance with recognised methods;
(c) in the case of G0 seed potatoes, also test free from SRE in the controlling laboratory approved by the authority in accordance with recognised methods.
(d) not exceed the maximum percentage permissible with regard to—
(i) virus infected seed potatoes as specified in Table 4 but not exceeding 2,5% of the total virus content according to the result of the field or store sample as tested in a laboratory approved by the authority in accordance with recognised methods;
(ii) potato tuber  moth damage and pathogen  infected seed  potatoes as specified  in Tables 5 and 7;
(iii) non-pathogenic deviations as specified in Table 6; and
(iv) deviating tubers as specified in Table 2.

 

(2) Only seed potatoes that comply with the requirements for G0 to G7 seed potatoes, Class Elite and Class 1 as specified in Tables 2, 5, 6 and 7 may be used as propagating material.

 

(3) The authority may, in consultation with the Registrar of Plant Improvement, determine the requirements in respect of propagating material that has been retained by a grower for his or her own use.