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. 2014 Oct 31;5:573. doi: 10.3389/fpls.2014.00573

Table 1.

The effect of combinations of salicylic acid and citric acid on mineral concentrations (fresh weight basis) in the leaf and biomass yield.

Spray treatment Solution strength Total dry biomass (g) Total fresh biomass (g) Plant height Stem diameter (mm) Fv/Fm K (ppm) Ca (ppm) Mg (ppm) Fe (ppm) Mn (ppm) Zn (ppm) Cu (ppm) Ni (ppm) B (ppm) P (ppm) S (ppm) Si (ppm)
CA7* Full strength 1.37 abc§ 18.81 ab 40.5 b 4 a 0.815 ab 12317 a 31975 a 8625 a 132 a 133 a 47 a 38 a 3 a 22 b 8055 a 6052 b 446 a
Half strength 1.22 bc 16.81 bc 44.5 a 3.3 c 0.801 bc 15882 a 28107 a 6763 a 146 a 128 a 38 a 35 a 2 a 17 b 5362 a 6036 b 359 a
CA7SA1 Full strength 1.77 a 22.29 a 42.4 ab 4.2 a 0.821 a 15362 a 33482 a 8440 a 142 a 160 a 45 a 35 a 6 a 53 a 6208 a 7300 b 489 a
Half strength 1.17 bc 15.43 bc 40 c 3.3 c 0.801 bc 16722 a 27660 a 7310 a 133 a 128 a 41 a 38 a 4 a 19 b 5008 a 6770 b 393 a
DW Full strength 1.62 ab 21.66 a 42.6 ab 3.9 ab 0.821 a 13788 a 30957 a 7550 a 138 a 139 a 46 a 38 a 9 a 21 b 6928 a 5455 b 413 a
Half strength 1.51 abc 15.89 bc 43.2 ab 3.5 bc 0.799 bc 16372 a 31932 a 7697 a 153 a 160 a 44 a 38 a 2 a 25 ab 5243 a 8144 b 400 a
SA1 Full strength 1.42 abc 19.90 ab 38.2 c 4.2 a 0.817 ab 13207 a 35185 a 8220 a 154 a 137 a 51 a 41 a 6 a 12 b 8432 a 6831 b 360 a
Half strength 1.02 c 13.52 c 38.2 c 3.6 bc 0.794 c 16872 a 30988 a 7557 a 145 a 158 a 42 a 31 a 2 a 18 b 5410 a 15087 a 374 a

§ Values in the same column that are followed by the same letter do not differ significantly according to Tukey’s multiple range test (p ≤ 0.05).

*The numbers represent concentration of foliar sprays in millimolar.

Distilled water (control).