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Table 2.
Distribution of the frequency of seed size of the F2 hybrids and parental cultivars (2018).
| Cultivar and hybrid | Number of kernels (pcs) belonging to the size class | 1000-kernel weight, g | ||||
|---|---|---|---|---|---|---|
| I | II | III | IV | V | ||
| Crossing | ||||||
| Shihan | 352 | 605 | 43 | 0 | 0 | 270±14.6 |
| Shihan × Melkosemyannyi 2 | 67 | 256 | 370 | 243 | 64 | 206±7.8 |
| Melkosemyannyi 2 | 0 | 0 | 9 | 840 | 151 | 110±8.6 |
| Chishminskii 75 | 0 | 89 | 859 | 52 | 0 | 220±9.0 |
| Chishminskii 75 × Melkosemyannyi 2 | 0 | 8 | 240 | 504 | 248 | 180±3.8 |
| Melkosemyannyi 2 | 0 | 0 | 9 | 840 | 151 | 110±8.6 |
| Chishminskii 80 | 105 | 599 | 296 | 0 | 0 | 256±10.0 |
| Chishminskii 80 × Melkosemyannyi 2 | 57 | 260 | 470 | 182 | 31 | 206±7.8 |
| Melkosemyannyi 2 | 0 | 0 | 9 | 840 | 151 | 110±8.6 |
| Chishminskii 95 | 250 | 602 | 148 | 0 | 0 | 263±10.0 |
| Chishminskii 95 × Melkosemyannyi 2 | 63 | 250 | 375 | 250 | 62 | 206±8.0 |
| Melkosemyannyi 2 | 0 | 0 | 9 | 840 | 151 | 110±8.6 |
| Back-crossing | ||||||
| Melkosemyannyi 2 | 0 | 0 | 9 | 840 | 151 | 110±8.6 |
| Melkosemyannyi 2 × Shihan | 60 | 260 | 373 | 233 | 74 | 201±9.4 |
| Shihan | 352 | 605 | 43 | 0 | 0 | 270±14.6 |
| Melkosemyannyi 2 | 0 | 0 | 9 | 840 | 151 | 110±8.6 |
| Melkosemyannyi 2 × Chishminskii 75 | 0 | 13 | 234 | 491 | 262 | 173±7.8 |
| Chishminskii 75 | 0 | 89 | 859 | 52 | 0 | 220±9.0 |
| Melkosemyannyi 2 | 0 | 0 | 9 | 840 | 151 | 110±8.6 |
| Melkosemyannyi 2 × Chishminskii 80 | 70 | 245 | 459 | 192 | 34 | 211±9.0 |
| Chishminskii 80 | 105 | 599 | 296 | 0 | 0 | 256±10.0 |
| Melkosemyannyi 2 | 0 | 0 | 9 | 840 | 151 | 110±8.6 |
| Melkosemyannyi 2 × Chishminskii 95 | 72 | 266 | 361 | 255 | 46 | 217±9.8 |
| Chishminskii 95 | 250 | 602 | 148 | 0 | 0 | 263±10.0 |
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