The regulations for butternuts of varieties (cultivars) of Cucurbita maxima L, are as follows:
Quality standards
| (1) | Subject to the regulations for Class 1, Class 2 and Class 3 butternuts in subregulation 2 and the permissible deviations in subregulation 4, butternuts shall ; |
| (c) | be clean and free from foreign matter, including soil; |
| (d) | be free from Arthropoda infestation; |
| (e) | be free from insect damage or damage caused by other organisms; |
| (f) | be free from blemishes; |
| (h) | be free from injuries; |
| (i) | be free from bruises; |
| (j) | be free from abnormal external moisture; |
| (k) | be free from foreign odours; |
| (I) | be free from frost damage; |
| (m) | be free from sun scorch; |
| (n) | be free from any other factors that affect or may affect the quality of the butternut detrimentally; |
| (p) | be sound and attractive in appearance and have normal characteristics of cultivar; and |
| (q) | be developed and of such conditions as to enable them to withstand transport and handling. |
Classification
| (a) | Class 1 butternuts shall be free from defects. |
| (b) | Class 2 and Class 3 butternuts may show the following slight defects: Provided that the fruit is not affected: |
| (iii) | shape and development. |
| (c) | In the case of Lowest Class butternuts - unspecified. |
Packing and sorting requirements
| (a) | The minimum mass for Class 1, Class 2, and Class 3 butternuts is 450g. |
| (b) | The maximum difference in mass between the lightest and heaviest butternuts in the same packing shall ; |
| (i) | in the case of Class 1 not exceed 180g |
| (ii) | in the case of Class 2 not exceed 260; and |
| (iii) | in the case of Class 3 not exceed 340g. |
| (c) | The fruit must be free from mechanical damage - only 3% bruising allowed per punnet. |
| (d) | The baby or miniature butternuts shall have maximum length of 100 mm and minimum length of 70mm. |
Permissible deviations with regard to quality standards
| (a) | Class 1 butternuts may deviate from quality standards for Class 1 with 10% by number: Provided that the deviating butternuts: |
| (i) | at least comply with the quality standards for Class 2; |
| (ii) | do not have any defects rendering them unfit for human consumption; and |
| (iii) | do not exceed the following individual limits: |
| - | Arthropoda infestation: Degree as set out in regulation 4(4)(c): Part 1 |
| (b) | Butternuts classified as Class 2 and Class 3 may deviate from the minimum standards with 15% and 25% respectively by number: Provided that the deviating butternuts do not exceed the following individual limits: |
| - | decay: 4% and 6% respectively; |
| - | injuries: 8% and 10% respectively;and |
| - | Arthropoda infestation: Degree as set out in regulation 4(4)(c): Part 1 |
| (c) | In the case of Lowest Class - decay shall not exceed 20% by mass or number. |
Permissible deviations with regard to packing and sorting requirements
| (5) | Class 1, Class 2 and Class 3 butternuts may deviate from packing and sorting requirements set out in subregulations 3 and 4 with 10%, 15% and 25% respectively by number. |
