| Accession | Mean Root Length (cm) |
| B83 | 7.4 f |
| Rondo | 8.5 e-f |
| B81 | 9.2 c-f |
| CL163 | 9.8 d-f |
| B8 | 11.0 b-e |
| B84 | 15.9 a-e |
| B34 | 16.9 a-d |
| S97 | 16.9 a-d |
| S94 | 17.7 a-c |
| PI338046 | 18.9 a-c |
| PI312777 | 19.4 ab |
| B14 | 21.7 a |
| B2 | 22.4 a |
| Rex | 24.8 a |