Plant Improvement Act, 1976 (Act No. 53 of 1976)NoticesSouth African Seed Potato Certification Scheme11. 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. |