Table 2.
Germination parameters calculated for different ‘67/3’ seed lots collected during 2015 (SL2), 2016 (SL3), 2017 (SL4), 2018 (SL5) and treated with hydropriming (HP72 protocol)
| Seed lot | G (%) | MGT (days) | CVG (%) | MGR (day−1) | U (bit) | Z (unit less) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UP | HP72 | UP | HP72 | UP | HP72 | UP | HP | UP | HP72 | UP | HP72 | |
| SL2 | 0 | 55.56 ± 21.42 | 0 | 6.52 ± 0.86 | 0 | 59.00 ± 42.48 | 0 | 0.030 ± 0.02 | 0 | 1.61 ± 0.87 | 0 | 0.340 ± 0.28 |
| SL3 | 100.00 ± 0.00 | 100.00 ± 0.00 | 8.95 ± 0.91 | 6.20 ± 0.00* | 76.34 ± 17.85 | 148.70 ± 0.94* | 0.005 ± 0.003 | 0.007 ± 0.00 | 2.39 ± 0.05 | 2.04 ± 0.16* | 0.18 ± 0.00 | 0.230 ± 0.01* |
| SL4 | 77.78 ± 19.24 | 74.13 ± 11.43 | 28.56 ± 1.34 | 25.51 ± 0.79* | 62.70 ± 12.00 | 65.00 ± 10.59 | 0.005 ± 0.003 | 0.016 ± 0.00 | 2.53 ± 0.14 | 2.74 ± 0.18 | 0.19 ± 0.02 | 0.077 ± 0.04 |
| SL5 | 97.78 ± 3.85 | 100.00 ± 0.00 | 11.05 ± 1.10 | 8.84 ± 0.87 | 42.03 ± 9.86 | 77.61 ± 17.23* | 0.025 ± 0.006 | 0.013 ± 0.00 | 2.50 ± 0.29 | 2.57 ± 0.11 | 0.15 ± 0.05 | 0.136 ± 0.005 |
Asterisks indicate statistically significant differences determined using Student’s t-test (*P < 0.05)
G germinability, MGT mean germination time, CVG coefficient of velocity of germination, MGR mean germination rate, U uncertainty, Z synchronization index, UP unprimed seeds, SL seed lot