Table 4.
Effect of plant age, 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) |
|---|---|---|---|---|---|---|---|---|---|---|
| Plant Age (DAP) | ||||||||||
| 80 | 18.31 ± 3.50a | 7.07 ± 2.58a | 20.04 ± 7.58a | 9.99 ± 4.53a | 60.37 ± 15.94a | 18.28 ± 2.03a | 49.00 ± 22.41a | 30.34 ± 9.05a | 26.73 ± 12.02a | 1.52 ± 0.63a |
| 60 | 17.28 ± 3.43b | 6.60 ± 2.63b | 18.94 ± 7.19b | 9.46 ± 4.32b | 48.19 ± 12.83b | 17.02 ± 1.91b | 40.43 ± 19.21b | 24.72 ± 7.05b | 23.07 ± 10.14b | 1.40 ± 0.54b |
| 40 | 15.91 ± 3.37c | 6.14 ± 2.55c | 16.69 ± 8.15c | 9.07 ± 4.32c | 41.38 ± 11.40c | 16.17 ± 1.82c | 33.14 ± 16.03c | 21.39 ± 6.26c | 20.01 ± 9.53c | 1.22 ± 0.46c |
| Cultivar | ||||||||||
| G103 | 20.39 ± 3.09a | 6.86 ± 2.54a | 19.48 ± 7.58a | 9.86 ± 4.37a | 53.30 ± 16.60a | 18.35 ± 1.79a | 48.81 ± 19.80a | 29.44 ± 8.64a | 32.02 ± 9.28a | 1.85 ± 0.42a |
| G024 | 14.43 ± 1.99c | 6.33 ± 2.63c | 17.70 ± 7.81c | 9.13 ± 4.42c | 47.78 ± 16.23c | 15.91 ± 1.97c | 31.84 ± 17.50c | 21.31 ± 6.73c | 13.13 ± 6.18c | 0.84 ± 0.21c |
| G2011-5 | 16.69 ± 2.58b | 6.61 ± 2.65b | 18.49 ± 7.84b | 9.53 ± 4.42b | 48.86 ± 13.34b | 17.21 ± 1.80b | 41.91 ± 20.26b | 25.70 ± 7.73b | 24.67 ± 7.45b | 1.45 ± 0.45b |
| Photoperiod (light/dark) | ||||||||||
| 10/14 h | 15.16 ± 2.60c | 3.86 ± 1.71c | 9.28 ± 3.26c | 4.74 ± 2.28c | 36.11 ± 8.05c | 15.98 ± 1.89c | 20.80 ± 8.95c | 18.86 ± 4.21c | 15.73 ± 7.06c | 1.09 ± 0.42c |
| 12/12 h | 16.67 ± 2.98b | 7.03 ± 1.82b | 20.00 ± 3.68b | 9.58 ± 2.42b | 51.99 ± 13.01b | 16.90 ± 1.68b | 42.56 ± 14.15b | 24.58 ± 5.48b | 24.28 ± 9.49b | 1.37 ± 0.46b |
| 14/10 h | 19.68 ± 3.45a | 8.90 ± 1.15a | 26.39 ± 2.83c | 14.21 ± 1.55a | 61.84 ± 12.75a | 18.59 ± 1.85a | 59.20 ± 15.23a | 33.01 ± 7.90a | 29.81 ± 10.96a | 1.71 ± 0.60a |
| Temperature (light/dark) | ||||||||||
| 25/18 °C | 16.80 ± 3.52b | 5.77 ± 2.47b | 17.56 ± 7.89b | 8.73 ± 4.49b | 45.56 ± 14.10c | 16.82 ± 2.19b | 38.22 ± 18.34b | 23.84 ± 7.67b | 21.09 ± 10.35b | 1.27 ± 0.49b |
| 30/20 °C | 17.54 ± 3.58a | 7.43 ± 2.49a | 19.55 ± 7.54a | 10.29 ± 4.19a | 54.39 ± 15.86a | 17.49 ± 1.97a | 43.49 ± 22.04a | 27.12 ± 8.77a | 25.45 ± 11.13a | 1.49 ± 0.60a |
| F-test | ||||||||||
| Plant Age (A) | *** | *** | *** | *** | *** | *** | *** | *** | *** | *** |
| 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; DAP: days after planting, means ± SD.