Table 4.
Effects of low temperature during grain filling on starch granule size distribution.
| Cultivar | Treatment | Volume Percentage/% | Surface Area Percentage/% | Number Percentage/% | |||
|---|---|---|---|---|---|---|---|
| d < 10 μm | d ≥ 10 μm | d < 10 μm | d ≥ 10 μm | d < 10 μm | d ≥ 10 μm | ||
| YZX | CT | 29.71 ± 0.76 a | 70.29 ± 0.76 b | 58.17 ± 0.04 a | 41.83 ± 0.04 b | 93.24 ± 0.04 a | 6.76 ± 0.04 b |
| LT | 24.34 ± 0.21 b | 75.66 ± 0.21 a | 48.13 ± 0.02 b | 51.87 ± 0.02 a | 89.88 ± 0.15 b | 10.12 ± 0.15 a | |
| YXYLS | CT | 26.25 ± 0.12 b | 73.75 ± 0.12 a | 55.92 ± 0.42 b | 44.08 ± 0.42 a | 94.04 ± 0.01 b | 5.96 ± 0.01 a |
| LT | 33.62 ± 0.31 a | 66.38 ± 0.31 b | 65.48 ± 0.03 a | 34.52 ± 0.03 b | 96.58 ± 0.05 a | 3.42 ± 0.05 b | |
| NX42 | CT | 27.84 ± 0.05 b | 72.16 ± 0.05 a | 57.30 ± 0.22 b | 42.70 ± 0.22 a | 93.67 ± 0.06 a | 6.33 ± 0.06 a |
| LT | 30.61 ± 0.28 a | 69.39 ± 0.28 b | 58.89 ± 0.10 a | 41.11 ± 0.10 b | 93.83 ± 0.03 a | 6.17 ± 0.03 a | |
| YLY2646 | CT | 28.49 ± 0.44 b | 71.51 ± 0.44 a | 56.03 ± 0.24 b | 43.97 ± 0.24 a | 92.63 ± 0.24 b | 7.37 ± 0.24 a |
| LT | 37.41 ± 0.51 a | 63.59 ± 0.51 b | 66.04 ± 0.23 a | 33.96 ± 0.23 b | 95.51 ± 0.05 a | 4.49 ± 0.05 a | |
Data are shown as the mean ± standard deviation of three replicates. Different letters for the same cultivar in the same column mean significantly different (p < 0.05). CT, normal temperature; LT, low temperature.