Insecticidal and growth inhibitory potential of Streptomyces hydrogenans DH16 on major pest of India, Spodoptera litura(Fab.) (Lepidoptera: Noctuidae)

Table 3 Effect of ethyl acetate extract of S. hydrogenans and azadirachtin on mortality rate of different developmental stages of S.litura

Treatments	Concentrations (μg/ml)	Larval mortality (%)	Prepupal mortality (%)	Pupal mortality (%)	Corrected Pupal mortality (%)
	Control	-	-	13.80 ± 0.67^a	-
Streptomyces ethyl acetate extract	400	-	-	48.26 ± 1.01^b	39.98 ± 1.40^a
	800	20.00 ± 00.00^a	20.00 ± 4.47^a	57.13 ± 2.09^c	50.26 ± 0.45^b
	1600	70.00 ± 12.40^b	66.66 ± 0.38^b	100.00 ± 00^d	100.00 ± 0.00^c
	f- value	16.30**	107.79**	863.97**	1436.26**
	R²	0.80	0.81	0.94	0.94
Azadirachtin	400	76.66 ± 1.59^c	-	85.70 ± 1.22^e	83.41 ± 0.45^d
	800	96.66 ± 0.42^d	-	-	-
	1600	100.00 ± 00^e	-	-	-
	f- value	146.19**	-	-	-
	R²	0.85	-	-	-

Mean ± SE followed by different letters with in a column are significantly different. Tukey's test P ≤ 0.05, R² =Coefficient of determination, **Significant at 1% level.

ISSN: 1471-2180