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. 2017 Dec 18;41(6):943–953. doi: 10.3906/biy-1707-15

Table 3.

Effect of different concentrations of Pb (0.25 mM, 0.50 mM, and 0.75 mM), EBL (10–7 M), and SA (1 mM) and their interactions on total phenolic and flavonoid content of 30-, 60-, and 90-day-old plants of B. juncea L. *: P < 0.05, **: P < 0.01.

Treatment Total phenolic content (mg g–1 of DW) (mean ± SD) Flavonoid content(mg g–1 of DW) (mean ± SD)
Pb EBL SA 30 DAS 60 DAS 90 DAS 30 DAS 60 DAS 90 DAS
0 0 0 10.41 ± 0.373 12.91 ± 0.151 14.32 ± 0.979 0.525 ± 0.013 0.543 ± 0.085 0.722 ± 0.014
0 10–7 M 0 13.63 ± 0.072 18.83 ± 0.180 18.99 ± 0.355 0.812 ± 0.012 0.847 ± 0.041 1.016 ± 0.076
0 0 1 mM 10.84 ± 0.256 16.11 ± 0.284 16.99 ± 0.087 0.762 ± 0.090 0.639 ± 0.010 0.908 ± 0.050
0 10–7 M 1 mM 18.68 ± 0.219 20.89 ± 0.259 21.50 ± 0.293 1.108 ± 0.018 0.561 ± 0.035 1.289 ± 0.018
0.25 mM 0 0 11.26 ± 0.155 18.16 ± 0.175 15.87 ± 0.222 0.660 ± 0.02 0.726 ± 0.135 0.689 ± 0.019
0.25 mM 10–7 M 0 16.92 ± 0.154 24.58 ± 0.276 18.46 ± 0.155 0.791 ± 0.009 0.900 ± 0.049 1.303 ± 0.026
0.25 mM 0 1 mM 13.81 ± 0.137 20.69 ± 0.615 16.76 ± 0.196 0.764 ± 0.031 0.666 ± 0.019 0.914 ± 0.070
0.25 mM 10–7 M 1 mM 18.17 ± 0.098 26.31 ± 0.103 21.52 ± 0.123 0.919 ± 0.156 0.948 ± 0.011 1.189 ± 0.010
0.50 mM 0 0 12.43 ± 0.154 20.35 ± 0.083 17.59 ± 0.231 0.893 ± 0.015 0.890 ± 0.079 0.729 ± 0.062
0.50 mM 10–7 M 0 16.35 ± 0.393 23.41 ± 0.118 21.69 ± 0.193 1.075 ± 0.011 1.034 ± 0.009 1.258 ± 0.023
0.50 mM 0 1 mM 13.41 ± 0.221 21.99 ± 0.154 19.16 ± 0.226 0.960 ± 0.046 0.923 ± 0.106 1.084 ± 0.023
0.50 mM 10–7 M 1 mM 19.55 ± 0.264 26.75 ± 0.143 26.35 ± 0.165 1.748 ± 0.012 1.204 ± 0.016 1.513 ± 0.014
0.75 mM 0 0 11.06 ± 0.190 23.47 ± 0.196 16.50 ± 0.136 1.063 ± 0.007 0.842 ± 0.084 1.009 ± 0.089
0.75 mM 10–7 M 0 16.34 ± 0.738 28.29 ± 0.122 22.88 ± 0.180 1.263 ± 0.013 1.221 ± 0.050 1.533 ± 0.061
0.75 mM 0 1 mM 13.50 ± 0.150 25.21 ± 0.154 20.43 ± 0.262 1.141 ± 0.011 1.015 ± 0.049 1.167 ± 0.029
0.75 mM 10–7 M 1 mM 19.28 ± 0.190 30.36 ± 0.257 31.05 ± 0.761 1.898 ± 0.622 1.318 ± 0.011 2.112 ± 0.008
F-ratio(df 3, 32) treatment 135.4** 2643.7** 768.8** 34.7** 86.6** 277.5**
F-ratio(df 3, 32) dose 1974.1** 2019.2** 2122.1** 34.5** 86.4** 620.6**
F-ratio(df 9, 32) treatment × dose 32.27** 101.27** 106.39** 2.43* 2.64* 36.62**
HSD 0.819 0.720 0.873 0.491 0.187 0.136