Efficacy of the entomopathogenic fungus, Beauveria bassiana and Lecanicillium muscarium against two main pests, Bemisia tabaci (Genn.) and Tetranychus urticae (Koch), under geothermal greenhouses of Southern Tunisia

Egyptian Journal of Biological Pest Control

Table 2 Percentage reduction in B. tabaci larvae and mobile forms (larvae, protonymphs, deutonymphs and adults) of Tetranychus urticae as a function of treatment with entomopathogenic fungi

Fungi	Reduction rate of surviving Bemisia tabaci larvae	Reduction rate of surviving Tetranychus urticae mobile forms
Beauveria bassiana strain ATCC	65.04^a	98.52^a
B. bassiana strain R444	60.26^a	99.48^a
Diafenthiuron	54.09^a	99.08^a
Lecanicillium\muscarium strain Ve6	55.52^a	95.11^b
F value	0.658	4.905
P value	0.593	0.019

Different letters denote means are significantly different from one another, as determined by Duncan