Table 2.
Total monomeric anthocyanin content (TMA) and yield parameters in roots of ethephon-treated carrot plants in trials harvested at a single time-point (21 weeks after sowing)
Trial sowing date | Ethephon (g ha−1) | TMA | Root weight (g) | SSC | DW | |
---|---|---|---|---|---|---|
mg g−1 FW | mg g−1 DW | |||||
19/05/2014 | 0 | 1.50 ± 0.33b | 14.73 ± 0.77b | 82.04 ± 3.75a | 14.01 ± 0.88a | 10.21 ± 0.33a |
120 | 2.48 ± 0.17a | 28.47 ± 1.28a | 81.16 ± 6.19a | 13.03 ± 0.41a | 9.78 ± 0.26a | |
360 | 2.25 ± 0.08a | 23.88 ± 2.43a | 82.45 ± 4.57a | 12.95 ± 0.37a | 9.43 ± 0.44a | |
18/05/2015 | 0 | 1.90 ± 0.09b | 19.30 ± 0.85b | 89.06 ± 5.21a | 13.33 ± 0.08a | 9.86 ± 0.32a |
360 | 2.63 ± 0.09a | 29.90 ± 1.23a | 91.37 ± 3.90a | 12.33 ± 0.58a | 9.01 ± 0.16a | |
720 | 2.60 ± 0.20a | 28.37 ± 2.64a | 88.33 ± 2.14a | 12.48 ± 0.30a | 9.22 ± 0.37a | |
25/05/2015 | 0 | 1.83 ± 0.22b | 18.30 ± 2.27b | 86.14 ± 2.13a | 13.81 ± 0.25a | 10.02 ± 0.28a |
360 | 3.10 ± 0.06a | 34.12 ± 0.65a | 87.22 ± 4.16a | 12.46 ± 0.11a | 9.67 ± 0.23a | |
720 | 2.95 ± 0.10a | 31.50 ± 1.75a | 84.15 ± 1.75a | 12.41 ± 0.39a | 9.39 ± 0.73a | |
29/02/2016 | 0 | 2.13 ± 0.19a | 14.58 ± 0.89b | 91.52 ± 3.93a | 15.08 ± 0.81b | 13.72 ± 0.44b |
360 | 2.52 ± 0.24a | 21.10 ± 1.98a | 115.42 ± 13.78a | 12.33 ± 0.53a | 11.94 ± 0.09a | |
6/03/2016 | 0 | 1.90 ± 0.18b | 14.29 ± 1.11b | 81.31 ± 5.84a | 13.68 ± 0.64b | 13.32 ± 0.18b |
360 | 2.44 ± 0.19a | 22.36 ± 2.23a | 96.59 ± 15.00a | 11.7 ± 0.52a | 10.92 ± 0.35a |
SSC soluble solids content FW fresh weight, DW dry weight. Different superscript letters (“a” and “b”) indicate statistical significance according to Tukey’s test (p ≤ 0.05). When only two groups existed (trial sowing dates 29/02/2016 and 06/03/2016), t-test was performed to compare means