Table 3.
Effect of sowing date, cultivar, photoperiod and temperature treatments on garlic bulb physiological and nutritive quality traits.
| Treatment | TSS (%) |
Soluble Protein (mg g−1) |
Soluble Sugar (%) |
Total Sugar (mg g−1) |
Glucose (%) |
Sucrose (mg g−1) |
Fructose (%) |
Starch (mg g−1) |
Total Phenol (mg g−1) |
Total Flavonoid (mg g−1) |
|---|---|---|---|---|---|---|---|---|---|---|
| Sown date (dd.mm. y) | ||||||||||
| 01/08/2018 | 24.68 ± 4.98a | 10.75 ± 0.63a | 21.96 ± 6.33a | 10.67 ± 3.09a | 58.59 ± 15.61a | 53.42 ± 13.14a | 51.43 ± 20.35a | 24.66 ± 7.00a | 40.34 ± 15.93a | 2.04 ± 0.59a |
| 01/09/2018 | 23.03 ± 4.73b | 8.42 ± 0.90b | 20.82 ± 6.02b | 10.16 ± 2.94b | 46.79 ± 12.76b | 42.70 ± 10.60b | 39.88 ± 16.45b | 21.59 ± 7.97b | 35.57 ± 13.82b | 1.62 ± 0.50b |
| 01/10/2018 | 21.18 ± 4.48c | 4.11 ± 0.76c | 19.07 ± 6.97c | 9.85 ± 2.96c | 40.60 ± 11.30c | 39.36 ± 9.50c | 34.00 ± 14.86c | 18.19 ± 5.70c | 31.44 ± 13.30c | 1.35 ± 0.36c |
| Cultivar | ||||||||||
| G103 | 27.10 ± 4.13a | 8.05 ± 2.78a | 21.33 ± 6.33a | 10.51 ± 3.00a | 53.25 ± 16.15a | 50.52 ± 11.29a | 48.84 ± 20.37a | 26.89 ± 7.59a | 50.67 ± 12.48a | 2.05 ± 0.51a |
| G024 | 18.42 ± 2.65c | 7.46 ± 2.87c | 19.93 ± 6.66c | 9.92 ± 3.01c | 43.16 ± 14.40c | 39.34 ± 12.08c | 31.42 ± 15.04c | 17.22 ± 5.05c | 23.47 ± 6.95c | 1.13 ± 0.27c |
| G2011-5 | 23.37 ± 3.39b | 7.77 ± 2.89b | 20.59 ± 6.60b | 10.25 ± 3.02b | 49.58 ± 13.46b | 45.61 ± 12.11b | 45.05 ± 15.93b | 20.34 ± 5.83b | 33.20 ± 8.81b | 1.83 ± 0.42b |
| Photoperiod (light/dark) | ||||||||||
| 10/14 h | 20.26 ± 3.64c | 7.26 ± 2.92c | 14.25 ± 5.68c | 7.18 ± 1.85c | 35.61 ± 8.34c | 34.70 ± 7.07c | 28.97 ± 11.18c | 16.69 ± 4.96c | 27.79 ± 9.86c | 1.44 ± 0.44c |
| 12/12 h | 22.65 ± 4.50b | 7.63 ± 2.71b | 21.31 ± 3.72b | 10.46 ± 2.42b | 49.69 ± 12.50b | 46.68 ± 11.33b | 38.22 ± 13.16b | 20.23 ± 4.96b | 35.85 ± 13.62b | 1.62 ± 0.56b |
| 14/10 h | 25.98 ± 4.84a | 8.39 ± 2.81a | 26.29 ± 3.10a | 13.05 ± 0.88a | 60.69 ± 12.63a | 54.09 ± 10.64a | 58.11 ± 17.92a | 27.52 ± 7.47a | 43.70 ± 15.89a | 1.94 ± 0.58a |
| Temperature (light/dark) | ||||||||||
| 25/18 °C | 21.64 ± 4.29b | 7.48 ± 2.93b | 17.55 ± 7.13b | 8.94 ± 3.16b | 46.55 ± 15.64b | 41.97 ± 12.67b | 35.11 ± 15.81b | 20.05 ± 6.43b | 31.64 ± 12.00b | 1.58 ± 0.52b |
| 30/20 °C | 24.29 ± 5.20a | 8.04 ± 2.76a | 23.69 ± 4.04a | 11.52 ± 2.22a | 50.78 ± 14.63a | 48.34 ± 11.89a | 48.43 ± 19.23a | 22.92 ± 8.07a | 39.92 ± 16.21a | 1.75 ± 0.61a |
| F-test | ||||||||||
| Sown date (D) | *** | *** | *** | *** | *** | *** | *** | *** | *** | *** |
| Cultivar (C) | *** | *** | *** | *** | *** | *** | *** | *** | *** | *** |
| Photoperiod (L) | *** | *** | *** | *** | *** | *** | *** | *** | *** | *** |
| Temperature (T) | *** | *** | *** | *** | *** | *** | *** | *** | *** | *** |
Different letters indicate significant differences between means within columns at p < 0.05 by a Tukey HSD (Honest Significant Difference) test. *** p < 0.001, means ± SD.