Table 2.
Effects of waterlogging on soil and plant analysis development (SPAD) chlorophyll meter value in EP, SM, and OK squash plants. Plants were grown under optimally irrigated (control, C) or waterlogging (W) conditions for different time periods.
| Duration (day) | |||||||
|---|---|---|---|---|---|---|---|
| Index | Cultivar | Treatment | 0 | 1 | 3 | 7 | 13 |
| SPAD | EP | C | 46.24 ± 3.27 bc | 49.58 ± 2.13 bc | 53.42 ± 4.07 a | 52.11 ± 2.02 a | 51.78 ± 4.27 ab |
| W | 46.54 ± 3.36 bc | 49.31 ± 2.72 bc | 50.27 ± 2.94 ab | 47.05 ± 2.03 bc | 41.04 ± 3.22 cd | ||
| SM | C | 42.14 ± 3.31 bcd | 41.74 ± 3.65 bcd | 43.86 ± 3.32 bc | 42.96 ± 2.05 bc | 40.77 ± 3.67 cd | |
| W | 42.02 ± 3.57 bcd | 39.23 ± 3.70 cde | 38.51 ± 2.62 cde | 30.59 ± 3.05 de | 10.35 ± 2.02 g | ||
| OK | C | 29.21 ± 3.51 de | 28.11 ± 3.16 de | 30.31 ± 3.87 de | 31.00 ± 4.09 de | 30.77 ± 2.09 de | |
| W | 29.41 ± 3.90 de | 28.81 ± 3.64 de | 26.20 ± 2.93 ef | 23.75 ± 2.55 f | 6.45 ± 1.16 h | ||
Different letters indicate significant difference among various waterlogging treatments of all cultivars (p < 0.05). Each value is the mean of ten plants of each cultivar for C or W treatment. Data were collected at 0 (non-waterlogging), 1, 3, 7, and 13 days of waterlogging treatment.