Phytotoxicity and Antimicrobial Activity of Green Synthesized Silver Nanoparticles Using Nigella sativa Seeds on Wheat Seedlings

Table 4

Effect of different concentrations of AgNPs on DNA, RNA, and total soluble protein contents of wheat seedlings after 10 days.

Concentration (μg·L^−1)	DNA (mg·g^−1)	RNA (mg·g^−1)	Total soluble protein (mg·g^−1·DW)
0	1.89 ± 0.28	2.36 ± 0.50	28.65 ± 0.68
25	1.88 ± 0.31^a	2.38 ± 0.65^a	27.90 ± 0.76^a
50	1.69 ± 0.43^a	2.07 ± 0.39^a	25.43 ± 1.20^a
75	1.26 ± 0.51^b	1.86 ± 0.51^b	20.65 ± 1.18^b
100	1.23 ± 0.44^b	1.56 ± 0.29^c	17.82 ± 1.05^c

a = nonsignificant; b = significant; c = highly significant at the 0.05 level.