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The Use Of Entomopathogenic Fungus, Beauveria Bassiana (Bals.) Vuill. In Assays With Storage Grain Beetles, Adel Khashaveh

Adel Khashaveh

Chemical insecticides have been widely employed for the control of storage grain pests. This has caused such problems as insecticide resistance along with contamination of foodstuffs with chemical residues. Thus, there is a growing interest in using pathogenic control agents as alternative. In this study, the potential of Beauveria bassiana (BbWeevil™, a commercial product containing 2×109 conidia g-1) was evaluated against adults of Tribolium castaneum, Sitophilus granarius and Oryzaephilus surinamensis. The experiments were carried out at the rates of 0, 250, 500, 750 and 1,000 mg kg-1 and exposure intervals of 5, 10 and 15 days, in 24±2°C and 50±5% …