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.