Postharvest Treatment of Tribolium confusum Jacquelin du Val Adults with Commercial Biopesticides

Spiridon Mantzoukas, Ioannis Lagogiannis, Ioannis Pettas, Georgia Korbou, Alexandra Magita, Athanasia Papadopoulou, Maria Trianti, Panagiotis A. Eliopoulos and Eirini Karanastasi
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Spiridon Mantzoukas: Department of Pharmacy, School of Health Sciences, University of Patras, Patras 26504, Greece
Ioannis Lagogiannis: ELGO-Demeter, Plant Protection Division of Patras, NEO & L. Amerikis, Patras 26444, Greece
Ioannis Pettas: Department of Chemistry, University of Ioannina, Ioannina 45100, Greece
Georgia Korbou: Department of Agricultural Technology, Technological Institute of Western Greece, Amaliada 27200, Greece
Alexandra Magita: Department of Agricultural Technology, Technological Institute of Western Greece, Amaliada 27200, Greece
Athanasia Papadopoulou: Department of Agricultural Technology, Technological Institute of Western Greece, Amaliada 27200, Greece
Maria Trianti: Department of Agricultural Technology, Technological Institute of Western Greece, Amaliada 27200, Greece
Panagiotis A. Eliopoulos: Department of Agriculture and Agricultural Technology, University of Thessaly, Larissa 45100, Greece
Eirini Karanastasi: Department of Agricultural Technology, Technological Institute of Western Greece, Amaliada 27200, Greece

Agriculture, 2019, vol. 9, issue 10, 1-11

Abstract: Within the context of the harmful side-effects of chemical pest control applications, the present study investigated the insecticidal effect of three commercial biopesticides, the fungal Metab ( Beauveria bassiana , Metarhizium anisopliae ) and Lecan ( Lecanicillium lecanii ), as well as raw zeolite, against Tribolium confusum Jacquelin du Val (Coleoptera: Tenebrionidae), also known as the confused flour beetle. To this end, we sprayed Tribolium confusum adults with suspensions of the said biopesticides, at three different dosages (250 ppm, 500 ppm, and 1000 ppm) on Avena sativa L. and Linum usitatissimum L. hull and no hull seeds. The data were analyzed in terms of three- and four-way ANOVA model, and the overall survival was determined while using the Kaplan–Meier method. The mortality of Tribolium confusum adults was recorded and analyzed in correlation with the following parameters: dose, product (seed), days, and treatment as factors. At the end of the experiment, all of the biopesticides were effectively pathogenic, but there was variation in their effectiveness in terms of the T. confusum mortality that they caused, depending on the product (seed). The type of seed can play a role in the pathogenicity or effectiveness of the biopesticides. Additionally, our results showed that the mortality percentage was dependent on the dose and treatment of the commercial biopesticides.

Keywords: Tribolium confusum; Avena sativa; Linum usitatissimum; Metab; Lecan; zeolite; mortality (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2019
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