Table 3 The effect of two seed pelleting formulae with various pelleting times and CaO2 contents on seedling growth parameters of direct-seeded rice under waterlogging conditions (1.5 cm water layer) at 8 DAS in Experiment 2.
Treatment | Pelleting time | CaO2 content | Shoot length | Root length | Shoot FW | Root FW |
---|---|---|---|---|---|---|
(cm) | (cm) | (mg seedling−1) | (mg seedling−1) | |||
Naked seed | 0 | 1.92 ± 0.06 j | 2.41 ± 0.37 g | 6.21 ± 0.27 k | 3.61 ± 1.31 gh | |
Pelleting Formula 1 | 1:1 | 0 | 2.25 ± 0.30 j | 2.01 ± 0.91 gh | 6.80 ± 0.66 k | 3.79 ± 1.32 fgh |
1:1 | 10% | 4.21 ± 0.48 gh | 6.17 ± 0.40 cd | 14.15 ± 1.80 i | 8.63 ± 2.17 de | |
1:1 | 20% | 8.00 ± 0.64 c | 8.38 ± 1.03 ab | 27.22 ± 2.57 cd | 17.02 ± 1.42 abc | |
1:1 | 40% | 9.22 ± 0.80 b | 8.88 ± 0.61 ab | 28.39 ± 2.29 cd | 18.66 ± 0.47 a | |
1:1 | 60% | 10.54 ± 0.63 a | 9.58 ± 0.80 a | 33.84 ± 2.39 ab | 18.36 ± 5.05 ab | |
3:1 | 0 | 2.47 ± 0.34 ij | 3.65 ± 1.14 fg | 8.64 ± 1.44 k | 4.78 ± 1.40 fg | |
3:1 | 10% | 7.83 ± 1.04 c | 8.16 ± 1.46 ab | 26.67 ± 2.98 cd | 14.07 ± 1.68 c | |
3:1 | 20% | 9.96 ± 0.71 ab | 8.35 ± 0.77 ab | 35.18 ± 0.71 a | 19.55 ± 0.58 a | |
3:1 | 40% | 6.59 ± 0.44 de | 7.26 ± 0.97 bcd | 25.22 ± 0.85 de | 14.57 ± 0.90 c | |
3:1 | 60% | 5.05 ± 0.22 fg | 5.66 ± 0.80 de | 22.29 ± 0.72 ef | 10.24 ± 0.79 d | |
5:1 | 0 | 2.89 ± 0.22 ij | 4.25 ± 1.42 ef | 10.03 ± 1.24 jk | 5.50 ± 2.49 efg | |
5:1 | 10% | 7.75 ± 0.43 cd | 7.56 ± 0.86 bc | 29.95 ± 0.53 bc | 15.32 ± 0.85 bc | |
5:1 | 20% | 10.40 ± 0.18 a | 8.23 ± 0.41 ab | 34.77 ± 0.57 a | 19.82 ± 2.18 a | |
5:1 | 40% | 5.82 ± 0.06 ef | 4.21 ± 0.87 ef | 20.30 ± 0.89 fg | 7.09 ± 0.89 def | |
5:1 | 60% | 4.28 ± 0.24 gh | 2.39 ± 0.81 g | 16.30 ± 0.07 hi | 4.81 ± 0.23 fg | |
7:1 | 0 | 2.59 ± 0.16 Ij | 2.43 ± 1.82 g | 8.34 ± 0.91 k | 3.18 ± 1.74 gh | |
7:1 | 10% | 10.25 ± 0.33 ab | 9.34 ± 1.10 a | 34.60 ± 2.47 a | 18.72 ± 3.72 a | |
7:1 | 20% | 7.90 ± 0.15 c | 7.24 ± 0.69 bcd | 26.90 ± 0.58 cd | 14.93 ± 1.86 c | |
7:1 | 40% | 5.03 ± 0.11 fg | 3.19 ± 1.82 fg | 18.10 ± 0.90 gh | 5.87 ± 2.92 efg | |
7:1 | 60% | 3.61 ± 0.19 hi | 0.62 ± 0.36 h | 13.84 ± 0.73 Ij | 1.44 ± 0.75 h | |
Naked seed | 0 | 1.92 ± 0.06 g | 2.41 ± 0.37 gh | 6.21 ± 0.27 k | 3.61 ± 1.31 jk | |
Pelleting Formula 2 | 1:1 | 0 | 1.74 ± 0.19 g | 1.29 ± 0.90 h | 5.04 ± 1.02 k | 2.01 ± 0.37 k |
1:1 | 10% | 5.12 ± 0.21 cd | 5.19 ± 1.20 de | 15.49 ± 1.18 i | 9.93 ± 2.52 f | |
1:1 | 20% | 7.11 ± 0.23 b | 7.48 ± 1.15 bc | 21.73 ± 1.02 f | 14.62 ± 0.11 de | |
1:1 | 40% | 9.43 ± 0.58 a | 8.25 ± 1.09 abc | 28.26 ± 1.85 cd | 16.94 ± 2.44 cd | |
1:1 | 60% | 10.02 ± 0.17 a | 8.62 ± 0.60 ab | 31.46 ± 0.79 ab | 20.96 ± 2.30 ab | |
3:1 | 0 | 3.64 ± 0.78 ef | 4.11 ± 1.54 ef | 11.74 ± 1.56 j | 5.56 ± 2.50 ijk | |
3:1 | 10% | 5.69 ± 0.66 c | 6.77 ± 1.94 cd | 19.75 ± 1.31 fg | 11.56 ± 3.96 ef | |
3:1 | 20% | 9.60 ± 0.18 a | 8.92 ± 0.43 ab | 31.08 ± 0.49 bc | 19.62 ± 1.31 abc | |
3:1 | 40% | 7.12 ± 0.33 b | 7.90 ± 0.09 abc | 25.03 ± 0.92 d | 15.22 ± 0.42 d | |
3:1 | 60% | 5.31 ± 0.14 cd | 4.93 ± 0.89 e | 18.92 ± 0.84 fgh | 9.59 ± 1.01 fg | |
5:1 | 0 | 3.03 ± 0.21 f | 4.13 ± 0.82 ef | 9.63 ± 0.62 j | 5.89 ± 0.68 hij | |
5:1 | 10% | 7.43 ± 0.51 b | 8.42 ± 0.71 abc | 26.09 ± 2.30 de | 16.24 ± 4.63 cd | |
5:1 | 20% | 10.28 ± 0.32 a | 9.43 ± 0.44 a | 33.13 ± 0.53 ab | 22.91 ± 0.86 a | |
5:1 | 40% | 5.32 ± 0.53 cd | 4.63 ± 2.08 e | 19.37 ± 0.87 fg | 9.18 ± 3.22 fgh | |
5:1 | 60% | 4.61 ± 0.26 de | 2.63 ± 1.07 fg | 17.01 ± 0.99 ghi | 4.61 ± 2.14 jk | |
7:1 | 0 | 3.22 ± 0.21 f | 4.34 ± 1.22 ef | 11.46 ± 0.84 j | 6.10 ± 0.81 g hij | |
7:1 | 10% | 10.43 ± 0.15 a | 9.12 ± 0.20 ab | 34.33 ± 0.77 a | 18.19 ± 1.91 bcd | |
7:1 | 20% | 8.11 ± 0.45 b | 8.22 ± 0.72 bc | 27.82 ± 1.64 de | 16.70 ± 1.32 cd | |
7:1 | 40% | 5.66 ± 0.40 cd | 4.05 ± 1.83 ef | 21.75 ± 1.13 f | 8.25 ± 1.52 fgIj | |
7:1 | 60% | 3.76 ± 0.22 ef | 1.10 ± 0.54 h | 15.98 ± 0.36 hi | 2.81 ± 1.13 jk | |
Formula | ns | ns | ns | ns | ||
Pelleting time | * | ** | ns | ** | ||
CaO2 content | ** | ** | ** | ** | ||
Formula × Pelleting time | ns | ** | ** | ns | ||
Formula × CaO2 content | ns | ns | * | ns | ||
CaO2 content × Pelleting time | ** | ** | ** | ** | ||
Formula × CaO2 content × Pelleting time | ns | ns | ns | ns |