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. 2018 Apr 20;9:489. doi: 10.3389/fpls.2018.00489

Table 3.

Effect of salinity levels (0–25–50–100 mM NaCl) and foliar applications (no foliar, K, Zn, and Si) on lavender leaf stomatal conductivity (cm/s), chlorophylls (Chl a, Chl b, Total Chl) content (mg/g fresh weight) in plants grown hydroponically in perlite.

Salinity (NaCl) Foliar applic. Stomatal conductivity Chl a Chl b Total Chl
0 mM 0 1.25 ± 0.44a Y 1.60 ± 0.10a 0.55 ±0.04a 2.15 ±0.14a
+K 1.66 ± 0.42a 1.62 ± 0.07a 0.56 ± 0.02a 2.19 ± 0.09a
+Zn 1.38 ± 0.56a 1.52 ± 0.07ab 0.53 ± 0.02a 2.06 ±0.10ab
+Si 1.00 ± 0.45a 1.37 ± 0.13abc 0.48 ± 0.05ab 1.85 ±0.19abc
25 mM 0 1.21 ± 0.62a 1.31 ± 0.12abc 0.45 ± 0.05ab 1.77 ±0.17abc
+K 1.71 ± 0.29a 1.15 ± 0.12cde 0.36 ± 0.04bcd 1.52 ±0.16cde
+Zn 2.25 ± 0.40a 1.21 ± 0.09bcd 0.41 ± 0.03bc 1.61 ±0.12bcd
+Si 2.11 ± 0.43a 0.95 ± 0.14def 0.32 ± 0.05cd 1.27 ±0.19def
50 mM 0 1.31 ± 0.58a 0.81 ± 0.12efg 0.25 ± 0.04def 1.07 ±0.17efgh
+K 1.63 ± 0.51a 0.94 ± 0.10def 0.30 ± 0.03cde 1.24 ±0.13def
+Zn 2.12 ± 0.61a 0.75 ± 0.09fgh 0.25 ± 0.03def 1.01 ±0.13fgh
+Si 0.93 ± 0.45a 0.87 ± 0.17def 0.29 ± 0.05cde 1.16 ±0.23defg
100 mM 0 1.15 ± 0.23a 0.42 ± 0.05h 0.14 ± 0.01f 0.57 ± 0.06i
+K 1.74 ± 0.70a 0.71 ± 0.10fgh 0.24 ± 0.03def 0.96 ±0.13fghi
+Zn 0.87 ± 0.30a 0.52 ± 0.20gh 0.18 ± 0.02ef 0.71 ±0.10ghi
+Si 1.77 ± 0.56a 0.45 ± 0.08h 0.15 ± 0.02f 0.60 ±0.10hi
SIGNIFICANCE
Salinity (S) ns *** *** ***
Foliar (F) ns ns ns ns
S × F ns ns ns ns
Y

values (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 < 0.1%, respectively, following two-way ANOVA.