Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Evaluation of Biopesticides for Management of Bemisia tabaci MEAM1 (Hemiptera: Aleyrodidae) in Florida

Version 1 : Received: 16 May 2024 / Approved: 17 May 2024 / Online: 17 May 2024 (11:35:09 CEST)

How to cite: Dimase, M.; Lahiri, S.; Beuzelin, J.; Hutton, S.; Smith, H. A. Evaluation of Biopesticides for Management of Bemisia tabaci MEAM1 (Hemiptera: Aleyrodidae) in Florida. Preprints 2024, 2024051136. https://doi.org/10.20944/preprints202405.1136.v1 Dimase, M.; Lahiri, S.; Beuzelin, J.; Hutton, S.; Smith, H. A. Evaluation of Biopesticides for Management of Bemisia tabaci MEAM1 (Hemiptera: Aleyrodidae) in Florida. Preprints 2024, 2024051136. https://doi.org/10.20944/preprints202405.1136.v1

Abstract

The sweetpotato whitefly, Bemisia tabaci MEAM1, is a pest known to significantly impact tomato development and yields through direct damage and virus transmission. To manage this pest, the current study compared the effectiveness of various insecticide rotations. Field trials included rotations involving synthetic insecticides, biochemicals, and microbial agents, applied according to their labeled highest concentrations. Results indicated that while standard synthetic insecticides consistently reduced whitefly egg and nymph counts significantly, microbial biopesticide rotations also achieved reductions, although less consistently. This study demonstrated that while traditional chemical treatments remain highly effective, integrating microbial biopesticides containing Beauveria bassiana and Cordyceps javanica present a viable alternative that could mitigate resistance development and reduce environmental impact. The findings suggest the potential for optimizing integrated pest management (IPM) and Insecticide Resistance Management (IRM) strategies by incorporating a variety of modes of action to sustainably manage B. tabaci MEAM1 populations in agricultural settings.

Keywords

Bemisia tabaci; Tomato; Integrated Pest Management (IPM); Insecticide Resistance; Biopesticides; Beauveria bassiana; Cordyceps javanica; Agricultural Sustainability

Subject

Biology and Life Sciences, Agricultural Science and Agronomy

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