| Code | Definition | Number of Accessions |
| 1 | very low < 40 g - line < 75 g - population, hybrid | 65 |
| 2 | 40- 45 g - line 75-100 g - population, hybrid | 26 |
| 3 | low 46- 50 g - line 101-125 g - population, hybrid | 41 |
| 4 | 51- 60 g - line 126-150 g - population, hybrid | 75 |
| 5 | intermediate 61- 70 g - line 151-175 g - population, hybrid | 42 |
| 6 | 71- 90 g - line 176-200 g - population, hybrid | 42 |
| 7 | high 91-110 g - line 201-225 g - population, hybrid | 3 |
| 8 | 111-130 g - line 226-250 g - population, hybrid | 1 |