Impact Assessment of Mercury Accumulation and Biochemical and Molecular Response of Mentha arvensis: A Potential Hyperaccumulator Plant

Table 1

Effect of mercury heavy metal exposure on seedlings growth, biomass, and relative water content of M. arvensis.

Hg conc. (mg/L)	Shoot length (cm)	Root length (cm)	IT values (%)		RWC (%)
			Shoot	Root
0.0	26.50 1.55^*	22.25 1.37^*			86.6
5.0	19.25 0.85^a	13.00 0.91^a	72	58	86.3
10.0	19.00 1.49^a	12.15 1.29^a	70	53	87.0
15.0	18.75 1.87^a	12.00 1.27^a	71	55	86.0
20.0	17.50 1.04^b	10.75 0.85^b	66	50	87.5
25.0	15.50 1.32^c	9.75 0.85^b	58	43	87.0

Data are means SE (); columns with different letters indicate significant differences at ≤ 0.05.