Table 2.

Effect of salinity levels (0–25–50–100 mM NaCl) and foliar applications (no foliar, K, Zn, and Si) on lavender root fresh weight (FW; g/plant), root dry matter (DM; %), biomass:root ratio, and root length (cm) in plants grown hydroponically in perlite.

Salinity (NaCl)	Foliar applic.	Root FW	Root DM	Biomass:root	Root length
0 mM	0	15.85 ± 0.85a Y	12.16 ± 0.31abcd	1.81 ± 0.13cd	26.50 ± 1.68ab
	+K	15.33 ± 1.60a	10.69 ± 0.42abcd	1.54 ± 0.14d	26.00 ± 1.71ab
	+Zn	12.35 ± 0.52ab	12.61 ± 0.93abc	2.01 ± 0.15cd	27.33 ± 1.25a
	+Si	14.93 ± 1.95a	13.29 ± 1.01ab	1.73 ± 0.14cd	27.00 ± 1.63ab
25 mM	0	15.33 ± 1.28a	9.09 ± 1.85d	1.88 ± 0.10cd	27.00 ± 0.96ab
	+K	14.63 ± 2.00a	11.20 ± 0.57abcd	1.60 ± 0.13cd	24.50 ± 1.87abc
	+Zn	12.25 ± 1.61ab	9.94 ± 1.49cd	1.92 ± 0.24cd	27.33 ± 1.85a
	+Si	13.23 ± 0.68a	9.27 ± 0.56d	1.65 ± 0.17cd	23.67 ± 0.61abc
50 mM	0	7.38 ± 1.06cd	13.44 ± 0.82a	2.79 ± 0.32ab	22.67 ± 1.68bcd
	+K	9.17 ± 0.78bc	9.45 ± 0.57d	2.29 ± 0.22abcd	22.83 ± 1.01bcd
	+Zn	6.90 ± 0.45cd	12.12 ± 1.29abcd	2.39 ± 0.34abc	22.83 ± 1.27bcd
	+Si	9.22 ± 0.61bc	9.89 ± 0.48cd	2.05 ± 0.15bcd	21.33 ± 1.05cde
100 mM	0	5.38 ± 0.69d	10.52 ± 0.36abcd	2.96 ± 0.34a	16.75 ± 0.96f
	+K	5.07 ± 0.58d	10.40 ± 0.56abcd	2.37 ± 0.36abc	18.92 ± 0.89def
	+Zn	4.38 ± 0.68d	12.01 ± 0.74abcd	2.78 ± 0.29ab	17.83 ± 0.98ef
	+Si	4.33 ± 0.81d	10.33 ± 0.86bcd	2.88 ± 0.26a	16.83 ± 0.79f
SIGNIFICANCE
Salinity (S)		***	**	***	***
Foliar (F)		*	ns	ns	ns
S × F		ns	*	ns	ns

^Yvalues (n = 6) in columns followed by the same letter are not significantly different, P ≤ 0.05.

^{ns, *, **, and ***}indicate non-significant or significant differences at P < 5, 1, and 0.1%, respectively, following two-way ANOVA.