Published in Scientific Bulletin. Series F. Biotechnologies, Vol. XXVII, Issue 2
Written by Anna MOLDOVAN, Natalia MUNTEANU MOLOTIEVSKIY, Ion TODERAS
A wide range of organisms, including insects, which can cause considerable losses, attacks tomato crop. Chemical insecticides continue to be used as the primary pest protection measure. The research aims to identify native strains of Bacillus thuringiensis and Beauveria bassiana to be used in the sustainable management of pests of tomato crops in the Republic of Moldova. Based on conducted activities regarding isolating and characterizing bacterial strains, seven newly isolated strains were used in bioassay tests. Three other bacterial and ten fungal strains from the collection of the Institute of Zoology were tested against selected pests. Four experimental treatments were set up, two against adults and two against larvae of Leptinotarsa decemlineata. The bioassay tests against adults of Colorado potato beetle revealed two fungal and one bacterial strain with promising results for biological control. Low insecticidal activity was recorded against the larvae of potato beetle with the tested strains.
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