Table 3.

Comparison of average dry weight (mg) of Pleurotus sp. mycelia grown in MMN liquid culture medium containing heavy metals based on Duncan's test.

Metal concentration (mg/L)	Co	Cu	Ni
0	68 ± 0.02a	65 ± 0.02a	68.4 ± 0.02a
15	60 ± 0.01a	58 ± 0.01a	0.00 ± 0.00b
30	55 ± 0.01a	48 ± 0.01a	0.00 ± 0.00b
45	43 ± 0.05a	0.00 ± 0.00b	0.00 ± 0.00b
60	0.00 ± 0.00b	0.00 ± 0.00b	0.00 ± 0.00b

Treatments with the same letters are not statistically different.