Table 2.

Macroscopic parameters (number of roots, average length of roots and average breadth of roots) after 72 h of exposure to nanoparticles.

	No. of roots (mean ± SD)	Root length (cm) (mean ± SD)	Root breadth (cm) (mean ± SD)
Control	6 ± 0.04	3.6 ± 0.01	1.1 ± 8.33
Silver nanoparticle
1 mg/L	7 ± 0.1	4.23 ± 0.11	0.25 ± 0.06
5 mg/L	10 ± 0.13	5.63 ± 0.13	0.28 ± 0.03
10 mg/L	7 ± 0.01	0.53 ± 0.004	0.36 ± 0.021
Gold nanoparticle
1 mg/L	3 ± 0.003	0.8 ± 0.001	0.24 ± 0.06
5 mg/L	15 ± 0.11	3.05 ± 0.011	0.34 ± 0.006
10 mg/L	6 ± 0.10	4.23 ± 0.53	0.34 ± 0.001