Table 1.

Effect of plant growth regulators (PGRs); gibberellic acid (GA₃), triacontanol (Tria) or salicylic acid (SA) on cadmium (Cd) concentrations of root and leaf of two Mentha arvensis L. cultivars at 100 DAT

Treatment	Root Cd [µg g−1 (DM)]		Leaf Cd [µg g−1 (DM)]
	Kosi	Kushal	Kosi	Kushal
Control	0.42 ± 0.03c	0.44 ± 0.04D	0.14 ± 0.03d	0.12 ± 0.02C
GA3 [10−6]	0.32 ± 0.09c	0.36 ± 0.08D	0.08 ± 0.01d	0.06 ± 0.01C
TRIA [10−6]	0.38 ± 0.01c	0.40 ± 0.05D	0.12 ± 0.02d	0.10 ± 0.02C
SA [10−6]	0.27 ± 0.02c	0.31 ± 0.01D	0.06 ± 0.01d	0.05 ± 0.01C
Cd [50 µM]	13.11 ± 0.75a	15.11 ± 0.74A	2.90 ± 0.42a	2.08 ± 0.26A
Cd + GA3	10.25 ± 0.86b	12.25 ± 0.86B	1.60 ± 0.48b	1.41 ± 0.47BC
Cd + TRIA	11.42 ± 0.39b	13.06 ± 0.78B	1.00 ± 0.36bc	0.77 ± 0.34BC
Cd + SA	4.23 ± 0.81b	6.25 ± 0.82C	0.80 ± 0.05 cd	0.59 ± 0.14C

Data are presented as treatment mean ± SE (n = 5). Data followed by the same letter are not significantly different by Duncan’s Multiple Range Test (DMRT) at P ≤ 0.05. Capital letters indicate a significant difference between Kushal and small letters of Kosi cultivars respectively