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. 2021 Feb 19;12:625541. doi: 10.3389/fpls.2021.625541

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.