Journal
EGYPTIAN JOURNAL OF BIOLOGICAL PEST CONTROL
Volume 31, Issue 1, Pages -Publisher
SPRINGER
DOI: 10.1186/s41938-020-00346-6
Keywords
Bioinsecticide; Entomopathogenic fungi; Spinetoram; Tuta absoluta; Efficiency
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The study found that Spinetoram was the most effective insecticide against T. absoluta, followed by M. anisopliae.
BackgroundIn this study, commercial bioinsecticides including entomopathogenic fungi, Beauveria bassiana, Metarhizium anisopliae, and Verticillium lecanii, and Spinetoram active ingredient insecticide were evaluated against the tomato leaf miner, Tuta absoluta (Meyrick, 1917) (Lepidoptera: Gelechiidae) larvae.Main bodyThe active ingredients were prepared at the recommended concentrations under laboratory conditions and applied to the 2nd instar larvae of T. absoluta by spraying with a hand sprayer. On the 1st, 3rd, 5th, and 7th days of the application, evaluations were made by counting survived individuals. The findings showed that the highest mortality rates were detected in the case of Spinetoram with 56, 60, 88, and 100% on all counting days of the experiments, respectively. The highest mortality rate among bioinsecticides was recorded for M. anisopliae, with 87% mortality on the 7th day of application.Short conclusionAs a result, Spinetoram was found the most effective insecticide when applied to T. absoluta, followed by M. anisopliae.
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