Natural infection potential and efficacy of the entomopathogenic fungus Beauveria bassiana against Orosanga japonica (Melichar)

Egyptian Journal of Biological Pest Control

Table 3 Leaf dipping and direct spraying LT₅₀ values against Orosanga japonica adults

	Isolate 1					Isolate 2
	Dose (conidia/ml)	Mortality/actual infection %	LT₅₀	Lower bound	Upper bound	Mortality/actual infection %	LT₅₀	Lower bound	Upper bound
Leaf dipping	1 × 10⁴	67	7.416	ND	ND	65	7.715	7.146	8.427
	1 × 10⁵	83	5.027	ND	ND	80	5.652	5.021	6.248
	1 × 10⁶	94	3.541	3.014	3.992	89	3.675	2.585	4.426
	Control	7				5
Direct spraying	1 × 10⁴	71	6.618	ND	ND	70	7.061	ND	ND
	1 × 10⁵	88	4.301	ND	ND	88	4.896	4.236	5.461
	1 × 10⁶	96	3.026	ND	ND	93	3.153	2.002	3.917
	Control	3				6
Leaf dipping actual infection	1 × 10⁴	70				72
	1 × 10⁵	90				88
	1 × 10⁶	98				95
	Control	3				6
Direct spraying actual infection	1 × 10⁴	79				81
	1 × 10⁵	93				95
	1 × 10⁶	99				94
	Control	2				3