Isolation, identification and virulence of indigenous entomopathogenic fungal strains against the peach-potato aphid, Myzus persicae Sulzer (Hemiptera: Aphididae), and the fall armyworm, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae)

Egyptian Journal of Biological Pest Control

Table 1 Mean percent mortality of late 3^rd instar nymphs of Myzus persicae exposed to different concentrations of indigenous isolates of entomopathogenic fungi, Beauveria bassiana and Metarhizium anisopliae under laboratory conditions

Source	DF	Beauveria bassiana				Metarhizium anisopliae
Source	DF	SS	MS	F-value	P-value	SS	MS	F-value	P-value
Time	3	24,500.0	8166.67	119.87	≥ 0.01	16,241.9	5413.96	71.65	≥ 0.01
Concentration	3	215,607.4	5202.47	76.36	≥ 0.001	7146.9	2382.30	31.53	≥ 0.001
Time × Concentration	9	3149.4	349.93	5.14	≥ 0.001	2419.6	268.85	3.56	≥ 0.001
Error	64	4360.2	68.13			4835.9	75.56
Total	79	47,617.0				30,644.3
Grand Mean		41.80				30.73
CV		19.75				28.29

P ≥ 0.001 (highly significant) and P ≥0.01 (significant); two-factor factorial ANOVA at α = 0.05