Complexing Behaviour and Antifungal Activity of N-[(1E)-1-(1H-Benzimidazol-2-yl)ethylidene]morpholine-4-carbothiohydrazide and Related Ligand with Metal Ions

Table 4

Results of fungal activity (conc. of compound in ppm).

Compound	Conc. in ppm	A. niger	A. flavus	F. oxisporum	R. bataticola	R. phaseoli
H2bmctz = H2L-1	100	40	35	30	45	50
	200	55	50	52	68	75
H2bpmctz = H2L-2	100	46	36	40	48	55
	200	68	52	65	72	80
Cu(H2L-1)Cl2	100	48	55	32	50	55
	200	65	70	55	75	85
Cu(H2L-2)Cl2	100	50	60	42	52	56
	200	70	78	70	78	86
Cu(H2L-1)Br2	100	50	56	42	52	57
	200	68	72	68	76	87
Cu(HL-1)2	100	48	50	35	50	54
	200	62	65	60	70	80
Zn(H2L-1)2 Cl2	100	48	42	40	48	54
	200	64	60	60	70	80
Zn(H2L-2)2 Br2	100	50	45	42	50	55
	200	68	62	65	74	82
Zn(H2L-2)Br2	100	52	42	45	52	60
	200	72	60	70	76	85
Mn(HL-1)2	100	42	40	35	46	50
	200	58	53	55	70	75
Fe(HL-2)2	100	41	42	36	48	52
	200	57	55	55	74	78
Pd(L-1)Py	100	52	45	40	50	52
	200	68	68	62	72	78
Ni(H2L-1)Cl2	100	48	42	45	48	54
	200	56	56	55	72	80
Ni(L-1)Py	100	46	40	32	45	52
	200	56	52	55	70	76
Cd(HL-1)2	100	46	43	35	48	54
	200	60	58	60	72	80
Cd(HL-2)2	100	48	42	43	50	60
	200	66	60	65	74	85
Ref. Mancozeb	100	75	80	78	81	82
	200	99	98	97	99	100