Insecticidal activity and possible modes of action of secondary metabolites of some fungal strains and wild plants as natural pesticides against Spodoptera frugiperda

Beni-Suef University Journal of Basic and Applied Sciences

Table 1 Toxicity of secondary metabolites of tested fungal strains and wild plants against S. frugiperda

No.	Treatment	After 48 h of treatment				After 72 h of treatment				Toxicity index % (72h)
		LC₅₀ (ppm)	95% Confidence limit (ppm)		Slope ± SE	LC₅₀ (ppm)	95% Confidence limit (ppm)		Slope ± SE
			Lower	Upper			Lower	Upper
1	C. cladosporioides	886	674	1115	1.48 ± 0.30	229	86	346	2.01 ± 0.44	100
2	V. lecanii	1960	1610	2674	2.20 ± 0.34	341	154	485	1.54 ± 0.33	67
3	N. glauca	788	669	895	2.51 ± 0.30	404	250	527	1.89 ± 0.31	56
4	R. communis	2241	1773	3476	1.65 ± 0.31	1110	895	1373	1.46 ± 0.28	20