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Table 2 Leaf nutrient concentrations in tomato seedlings under salinity treatment and salicylic acid application methods

From: Effectiveness of different methods of salicylic acid application on growth characteristics of tomato seedlings under salinity

 Leaf Na (% DW)Leaf K (% DW)Leaf Ca (% DW)leaf Zn (mg kg−1 DW)Leaf Fe (mg kg−1 DW)
Control0.073 ± 0.03c2.2 ± 0.27a1.5 ± 0.25a46.5 ± 6.4a78.3 ± 2.7a
Salinity1.38 ± 0.21a1.5 ± 0.25c0.95 ± 0.21c35.7 ± 3.8b53.7 ± 5.5c
Salinity + root SA pretreatment0.95 ± 0.26b1.60 ± 0.29bc1.3 ± 0.18ab38 ± 3.6b59.8 ± 4.1bc
Salinity + foliar SA pretreatment0.9 ± 0.24b2 ± 0.26ab1.4 ± 0.08ab42.8 ± 3.7ab62.3 ± 6.6b
Salinity + foliar SA treatment1.17 ± 0.17ab1.5 ± 0.15c1.2 ± 0.15bc36.2 ± 3.8b58.2 ± 5.4bc
ANOVAaF4,15 = 0.99**F4,15 = 0.41**F4,15 = 0.17**F4,15 = 85.8*F4,15 = 350**
  1. Salinity was applied at 100 mM NaCl in nutrient solution
  2. Salicylic acid was applied with two sprays of 100 mg L−1, as pretreatment or treatment
  3. Root pretreatment was done once with 30 min immersing in 100 mg L−1 salicylic acid
  4. Comparison of means was done with Duncan’s multiple range test at 5% level
  5. aIndicating F values and corresponding P values in which *, ** and ns mean significant effect at 5%, 1% and not significant, respectively