Agricultural Product Standards Act, 1990 (Act No. 119 of 1990)Regulations2026 RegulationsRegulations relating to the Grading, Packing and Marking of Canola intended for Sale in the Republic of South Africa: Effective 19 December 2026Part IV : Inspection Methods14. Determination of percentage heat damaged seed and distinctly green seed |
The percentage heat-damaged seed and distinctly green seed in a consignment canola shall be determined as follows:
| (a) | Use a 100-seed ruler in which canola seed can fit. |
| (b) | Place the ruler in the clean sample and ensure that 100 seeds are placed in holes. |
| (c) | Place masking tape over seeds and apply pressure to ensure that seeds attach to the masking tape. |
| (d) | Remove masking tape and place on a flat surface with seeds facing upwards. |
| (e) | With a roller, crush the canola, and count the number of heat-damaged seed and distinctly green seeds separately. |
| (f) | Repeat the procedure from (a) to (e) three times. The procedure is repeated an additional seven times to obtain test results on 1000 seeds if any heat-damaged seeds are present in the first three x100 tests. |
| (g) | Determine the average number of heat-damaged seed and distinctly green seeds respectively. |
| (h) | Express the numbers thus determined separately as a percentage of 100 seeds. |
| (i) | Such percentages represent the percentage heat-damaged seed and distinctly green seeds respectively in the consignment concerned. |