INFLUENCE OF INSECTICIDES TO BEAUVERIA BASSIANA (BALSAMO) VUILLEMIN
Vladimír Uhlík, A. Hlinku
Abstract
Vladimír Uhlík, A. Hlinku
Abstract
Summary Four insecticides, permethrin, deltamethrin, alfacypermethrin and cypermethrin, were tested for their influence to B. bassiana. When isolates of Beauveria bassiana (Balsamo) Vuillemin were placed into agars containing insecticides, they average daily growth of mycelium was significantly smaller than that of control variants. After mixing suspension of fungal spores with insecticides in the concentration recommended by producer against European corn borer, Ostrinia nubilalis Hbn., fungus did not create any colonies on artificial medium. Results show that during the application of chemical insecticides it is possible to use biopesticides containing the fungus B. bassiana, but they can not be mixed together with chemical insecticides.
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Summary Four insecticides, permethrin, deltamethrin, alfacypermethrin and cypermethrin, were tested for their influence to B. bassiana. When isolates of Beauveria bassiana (Balsamo) Vuillemin were placed into agars containing insecticides, they average daily growth of mycelium was significantly smaller than that of control variants. After mixing suspension of fungal spores with insecticides in the concentration recommended by producer against European corn borer, Ostrinia nubilalis Hbn., fungus did not create any colonies on artificial medium. Results show that during the application of chemical insecticides it is possible to use biopesticides containing the fungus B. bassiana, but they can not be mixed together with chemical insecticides.
Key concepts: Beauveria bassiana, Deltamethrin, European corn borer, Ostrinia, Bassiana, Biopesticide, Entomopathogenic fungus, Biology