Table 16.

Effect of CuSO₄ concentration on laccase activity (nkat/mL) by Cochliobolus sp.

S. number	CuSO4 concentrations	2nd day	4th day	6th day	8th day
(1)	50	0.204	0.250	0.425	0.240
(2)	100	0.206	0.322	0.460	0.320
(3)	150	0.220	0.406	0.620	0.360
(4)	200	0.260	0.463	0.710	0.420
(5)	250	0.220	0.640	0.802	0.540
(6)	300	0.240	0.802	0.840	0.700
(7)	350	0.250	0.606	0.940	0.806
(8)	400	0.232	0.506	0.740	0.606
(9)	450	0.280	0.360	0.620	0.420
(10)	Control	0.646	1.940	2.432	1.298