Crossing combination | Shape of root fibrillas in F1 | Number of plants in F2, pcs. | Expected ratio |
| , Р < 0.95 | ||
total | including | ||||||
Rhd3-1 × sar-1 | Cylindrical | 187 | 108 with cylindrical shape of root fibrillas, 33 with extended on top root fabrillas, 36 with wavy root fabrillas, 10 with wavy extended on top root fabrillas | 9:3:3:1 | 0.56 | 7.81 |