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
combinations on root length and shoot length of 30-, 60-, and 90-day-old plants of Brassica juncea L. (values show the means
of three replicates ± SD; Tukey’s test was performed and significance was checked at P ≤ 0.05 designated with * and at P ≤ 0.01
designated with **).