TABLE 1.
Effect of sodium silicate priming treatments on pigments.
Pigments | Treatments | |||||||
Non-stress | Under water-deficit stress | |||||||
Control | 20 mM | 40 mM | 60 mM | Control | 20 mM | 40 mM | 60 mM | |
sodium silicate | sodium silicate | sodium silicate | sodium silicate | sodium silicate | sodium silicate | |||
Chlorophyll a (μg/g FW) | 335.611 ± 0.714d | 334.837 ± 0.571d | 356.237 ± 0.209a | 335.090 ± 0.375d | 335.274 ± 0.395d | 342.317 ± 0.293b | 330.613 ± 0.721e | 339.277 ± 0.656c |
Chlorophyll b (μg/g FW) | 524.006 ± 0.827d | 513.068 ± 0.855e | 408.125 ± 0.730g | 504.110 ± 0.628f | 540.714 ± 0.781b | 534.777 ± 0.311c | 536.184 ± 0.522c | 545.009 ± 0.575a |
Total chlorophyll (μg/g FW) | 859.617 ± 1.224d | 847.905 ± 0.625e | 764.362 ± 0.523g | 839.200 ± 0.253f | 875.988 ± 0.391b | 877.094 ± 0.381b | 866.796 ± 0.387c | 884.287 ± 1.121a |
Total carotenoids (mg/g FW) | 32.529 ± 0.012e | 32.783 ± 0.011d | 32.995 ± 0.034c | 32.207 ± 0.033f | 33.129 ± 0.042b | 32.516 ± 0.049e | 33.180 ± 0.026ab | 33.241 ± 0.017a |
FW, fresh weight. Mean values of three replicates are presented. Within a column, means sharing the same letters are non-significantly different (p > 0.05 and p > 0.01) according to Tukey’s HSD test.