Table 2 Number of adventitious roots and adventitious root length of soybean to transient waterlogging stress under different climatic regimes.
Treatments | Number of adventitious roots | Adventitious root length (cm) | ||
|---|---|---|---|---|
Summer | Rainy | Summer | Rainy | |
Seasons/climate (C) | ||||
Summer (CS) | 2.38a | 0.983a | ||
Rainy (CR) | 1.75b | 0.603b | ||
S.Em. ± | 0.03 | 0.012 | ||
Stages of waterlogging (S) | ||||
S15 | 6.2a | 5.3a | 2.5a | 1.9a |
S30 | 3.3b | 1.7b | 1.4b | 0.5b |
S45 | 0.0c | 0.0c | 0.0c | 0.0c |
S60 | 0.0c | 0.0c | 0.0c | 0.0c |
S.Em. ± | 0.07 | 0.05 | 0.03 | 0.02 |
Durations of waterlogging (D) | ||||
D2 | 0.7e | 0.4e | 0.2e | 0.2e |
D4 | 1.2d | 0.9d | 0.4d | 0.3d |
D6 | 1.5c | 1.2c | 0.6c | 0.5c |
D8 | 3.5b | 1.9b | 1.7b | 0.7b |
D10 | 5.1a | 4.3a | 2.1a | 1.5a |
S.Em. ± | 0.07 | 0.06 | 0.03 | 0.02 |
Interactions (S × D) | ||||
S15D2 | 2.7f | 1.8e | 1.0f | 0.7e |
S15D4 | 4.7e | 3.6d | 1.5e | 1.1d |
S15D6 | 6.0d | 4.9c | 2.2d | 1.8c |
S15D8 | 7.3b | 7.6b | 3.4c | 2.6b |
S15D10 | 10.3a | 8.5a | 4.5a | 3.2a |
S30D2 | 0.0g | 0.0f | 0.0g | 0.0f. |
S30D4 | 0.0g | 0.0f | 0.0g | 0.0f |
S30D6 | 0.0g | 0.0f | 0.0g | 0.0f |
S30D8 | 6.5c | 0.0f | 3.2c | 0.0f |
S30D10 | 10.0a | 8.7a | 3.9b | 2.7b |
S45D2 | 0.0g | 0.0f | 0.0g | 0.0f |
S45D4 | 0.0g | 0.0f | 0.0g | 0.0f |
S45D6 | 0.0g | 0.0f | 0.0g | 0.0f |
S45D8 | 0.0g | 0.0f | 0.0g | 0.0f |
S45D10 | 0.0g | 0.0f | 0.0g | 0.0f |
S60D2 | 0.0g | 0.0f | 0.0g | 0.0f |
S60D4 | 0.0g | 0.0f | 0.0g | 0.0f |
S60D6 | 0.0g | 0.0f | 0.0g | 0.0f |
S60D8 | 0.0g | 0.0f | 0.0g | 0.0f |
S60D10 | 0.0g | 0.0f | 0.0g | 0.0f |
S.Em. ± | 0.15 | 0.11 | 0.06 | 0.04 |