Table 4. The hyphal growth of L. lecanii when exposed to the different chemical compounds at different concentrations.

Series	Treatments		Fungal colony extension
	Compounds	Quantities (nmol·ml−1)	Speed (cm·d−1)*	Diameter (cm)***
		0	0.74 ± 0.05	4.29 ± 0.21d
		1	0.89 ± 0.05	5.39 ± 0.24a
I	Menthol	10	1.09 ± 0.03	6.27 ± 0.11b
		100	0.71 ± 0.14	4.14 ± 0.09c
		1000	0.68 ± 0.04	4.19 ± 0.06c
		0	0.74 ± 0.05	4.29 ± 0.21d
		1	0.92 ± 0.04	5.37 ± 0.13a
II	Methyl salicylate	10	0.53 ± 0.02	3.17 ± 0.08b
		100	0.24 ± 0.03	1.58 ± 0.16c
		1000	0.14 ± 0.02	1.14 ± 0.05c
		0	0.74 ± 0.05	4.29 ± 0.21d
		1	0.62 ± 0.04	3.73 ± 0.12a
III	Decan-3-ol	10	0.58 ± 0.03	2.89 ± 0.07b
		100	0.25 ± 0.02	1.62 ± 0.08c
		1000	0.20 ± 0.01	1.37 ± 0.09c
		0	0.74 ± 0.05	4.29 ± 0.21b
IV	Benzaldehye	0.2	0.03 ± 0.02	1.09 ± 0.04a
		2	0.06 ± 0.01	0.77 ± 0.05a
V	Phenylacetaldehyde	0	0.74 ± 0.05	4.29 ± 0.21b
		0.2	0.05 ± 0.01	0.76 ± 0.04a

Data show mean value ± of the fungal colony of 5 replicates which cultured for 15 d. The number ‘0’ in all series are controlled treatments. Means followed by the different letter in a column are significantly different (Tukey’s HSD test, P < 0.05).