Table 5.

Antifungal activity of substituted isoxazoles (4a–4h).

Compounds	Growth inhibition (%)
	Fungi
	Rhizoctonia solani (conc.) µg/mL				Colletotrichum gloeosporioides (conc.) µg/mL
	250	500	1000	2000	250	500	1000	2000
4a	12.50 ± 1.07	27.50 ± 0.59	52.50 ± 0.71	75.00 ± 0.72	10.23 ± 0.68	24.62 ± 1.58	48.75 ± 0.69	70.23 ± 0.43
4b	56.00 ± 0.82	64.00 ± 1.06	76.00 ± 1.17	90.00 ± 2.35	36.45 ± 0.86	58.45 ± 0.95	70.23 ± 1.51	82.45 ± 1.04
4c	42.00 ± 1.37	56.00 ± 0.87	80.00 ± 0.66	90.00 ± 1.26	30.25 ± 0.73	51.36 ± 1.01	66.60 ± 0.67	79.65 ± 0.95
4d	a	a	a	a	a	a	36.68 ± 0.62	51.78 ± 1.09
4e	20.75 ± 1.44	58.49 ± 1.06	66.03 ± 0.56	84.90 ± 0.77	a	a	a	a
4f	a	a	48.12 ± 1.12	74.96 ± 2.50	a	a	24.56 ± 1.58	42.98 ± 1.30
4g	23.98 ± 0.93	56.42 ± 0.54	68.45 ± 0.69	87.36 ± 0.75	14.25 ± 0.52	29.35 ± 1.55	48.68 ± 0.35	68.45 ± 0.52
4h	45.23 ± 1.29	58.69 ± 1.01	81.35 ± 2.09	91.23 ± 0.72	25.12 ± 0.75	47.98 ± 0.87	61.89 ± 2.19	74.30 ± 1.44

All values are mean ± S.D.

a: no growth inhibition.