Table 7.
Changes in fitness of vegetative reproductive indices of hybrid F1 and F2 generation compared to wild soybeans.
| Materials Index | 2018 | 2019 | ||||
|---|---|---|---|---|---|---|
| Wild soybean | F1 | Wild soybean | F2-negative plants | F2-hybrid plants | F2-positive homozygous plants | |
| Emergence rate | 1.00 ± 0.19a | 0.40 ± 0.11b | 1.00 ± 0.14a | 1.13 ± 0.10a | ||
| Aboveground biomass | 1.00 ± 0.26a | 0.58 ± 0.22b | 1.00 ± 0.33b | 1.44 ± 0.26a | 1.41 ± 0.29a | 1.47 ± 0.25a |
| Pollen germination rate | 1.00 ± 0.11a | 0.80 ± 0.11b | 1.00 ± 0.12a | 1.02 ± 0.11a | 1.01 ± 0.13a | 1.04 ± 0.11a |
| Number of pods per plant | 1.00 ± 0.15a | 0.26 ± 0.14b | 1.00 ± 0.22a | 1.06 ± 0.27a | 1.08 ± 0.29a | 1.10 ± 0.31a |
| Number of full grains per plant | 1.00 ± 0.18a | 0.27 ± 0.10b | 1.00 ± 0.19a | 1.17 ± 0.25a | 1.16 ± 0.32a | 1.16 ± 0.27a |
| 100-seed weight | 1.00 ± 0.05a | 1.07 ± 0.08a | 1.00 ± 0.06b | 1.47 ± 0.06a | 1.46 ± 0.07a | 1.45 ± 0.04a |
| Total fitness | 1.00 | 0.60 | 1.00 | 1.23 | 1.22 | 1.24 |
Peers are marked with the same letters in the same year, indicating that there is no significant difference in the fitness indicators (p > 0.05).