Table 2. Effect of seed priming with PEG (30%) on root and shoot length (cm), seedling fresh and dry weight (g) and seedling vigor index of two rice cultivars under different ZnO nanorods concentrations.
Cultivars | Priming withPEG (%) | nano-ZnO conc.(mg L−1) | Root length(cm) | Shoot length(cm) | SFW (g) | SDW (g) | SVI |
---|---|---|---|---|---|---|---|
Zhu Liang You 06 | 0 | 0 | 9.16 ± 0.61 f–h | 7.33 ± 0.15 de | 0.073 ± 0.01 fg | 0.043 ± 0.02 b | 1484 ± 29.6 f |
250 | 8.60 ± 0.36 h–j | 6.60 ± 0.36 ef | 0.070 ± 0.01 gh | 0.042 ± 0.05 b | 1306 ± 69.9 g | ||
500 | 8.03 ± 0.25 j | 6.03 ± 0.25 f | 0.066 ± 0.01 i | 0.042 ± 0.05 b | 1154 ± 88.6 h | ||
750 | 5.03 ± 0.45 l | 3.83 ± 1.44 g | 0.052 ± 0.02 k | 0.041 ± 0.03 b | 425 ± 21.5 j | ||
30 | 0 | 10.93 ± 0.11 ab | 8.93 ± 0.11 ab | 0.087 ± 0.05 b | 0.043 ± 0.01 b | 1893 ± 22.8 bc | |
250 | 10.53 ± 0.25 bc | 7.86 ± 0.92 cd | 0.083 ± 0.01 cd | 0.042 ± 0.01 b | 1717 ± 66.2 de | ||
500 | 9.80 ± 0.20 d–f | 7.83 ± 0.28 cd | 0.080 ± 0.01 d | 0.042 ± 0.05 b | 1625 ± 53.1 e | ||
750 | 9.16 ± 0.28 f–h | 7.26 ± 0.46 de | 0.073 ± 0.02 fg | 0.041 ± 0.01 b | 1084 ± 27.8 h | ||
Qian You No. 1 | 0 | 0 | 9.30 ± 0.62 e–g | 7.70 ± 0.17 d | 0.076 ± 0.01 ef | 0.046 ± 0.05 a | 1631 ± 76.1 e |
250 | 8.73 ± 0.32 g–i | 6.73 ± 0.51 ef | 0.073 ± 0.01 fg | 0.046 ± 0.02 a | 1422 ± 76.4 fg | ||
500 | 8.23 ± 0.20 ij | 6.23 ± 0.20 f | 0.069 ± 0.01 h | 0.043 ± 0.05 b | 1302 ± 37.4 g | ||
750 | 5.76 ± 0.68 k | 3.76 ± 0.68 g | 0.056 ± 0.02 j | 0.041 ± 0.01 b | 572 ± 36.6 i | ||
30 | 0 | 11.26 ± 0.25 a | 9.26 ± 0.25 a | 0.090 ± 0.05 a | 0.046 ± 0.02 b | 2053 ± 50.3 a | |
250 | 10.73 ± 0.25 ab | 8.73 ± 0.25 a–c | 0.086 ± 0.01 bc | 0.046 ± 0.01 b | 1907 ± 49.3 b | ||
500 | 10.06 ± 0.32 cd | 8.06 ± 0.32 b–d | 0.083 ± 0.01 cd | 0.044 ± 0.01 b | 1776 ± 62.7 cd | ||
750 | 9.90 ± 0.17 c–e | 7.90 ± 0.17 cd | 0.076 ± 0.03 e | 0.042 ± 0.05 b | 1408 ± 193.9 fg |
The same letters within a column indicate there was no significant difference at a 95% probability level at the p < 0.05 level, respectively.