Efficacy of indigenous entomopathogenic fungus, Beauveria bassiana (Balsamo) Vuillemin, isolates against the rose aphid, Macrosiphum rosae L. (Hemiptera: Aphididae) in rose production

Egyptian Journal of Biological Pest Control

Table 1 Values of LC₅₀ with 95% confidence intervals of the four tested indigenous isolates of Beauveria bassiana on rose aphid, Macrosiphum rosae

Isolates	LC₅₀ (spores/ml)	95% confidence intervals		Intercept	Slope ± SE	χ² (df = 3)
Isolates	LC₅₀ (spores/ml)	Lower bound	Upper bound	Intercept	Slope ± SE	χ² (df = 3)
1	6.46 × 10^4A	3.83 × 10^4A	1.08 × 10^5A	4.0788^A	0.853 ± 0.076 ^A	6.0498^A
2	1.46 × 10^5B	9.38 × 10^4A	2.20 × 10^5B	4.1862^A	0.814 ± 0.077 ^A	4.8008^A
3	1.52 × 10^5B	7.53 × 10^4A	3.25 × 10^5B	4.0524^A	0.784 ± 0.073 ^A	7.811^A
4	1.71 × 10^5B	9.72 × 10^4A	3.31 × 10^5B	4.2958^A	0.824 ± 0.067 ^A	5.8834^A

Means within each column bearing different letters are significantly different according to the Duncan test (P = 0.05)