Enhancing pest management in sugar beet cultivation: impact of variety selection and insecticide seed treatments on sugar beet flea beetles and weevils

Darija Lemic, Mario Schumann, Ralf Tilcher, Olaf Czarnecki, Katarina M. Mikac, Domagoj Vučemilović-Jurić and Helena Viric Gasparic
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Darija Lemic: Faculty of Agriculture, University of Zagreb, Zagreb, Croatia
Mario Schumann: KWS SAAT SE & Co., Einbeck, Germany
Ralf Tilcher: KWS SAAT SE & Co., Einbeck, Germany
Olaf Czarnecki: KWS SAAT SE & Co., Einbeck, Germany
Katarina M. Mikac: School of Earth, Atmospheric and Life Sciences, Faculty of Science, Medicine & Health, University of Wollongong, Wollongong, Australia
Domagoj Vučemilović-Jurić: Faculty of Agriculture, University of Zagreb, Zagreb, Croatia
Helena Viric Gasparic: Faculty of Agriculture, University of Zagreb, Zagreb, Croatia

Plant Protection Science, 2024, vol. 60, issue 3, 278-287

Abstract: This study focused on evaluating the effectiveness of seed treatments and different sugar beet varieties in controlling flea beetles (Chaetocnema tibialis) and sugar beet weevils (Asproparthenis punctiventris) in Croatia. The field trials were conducted in Vukovar-Sirmia County and targeted the developmental stages of sugar beet from BBCH 12 to BBCH 31. Although the sowing was done within the optimal period, no clear pattern between germination of the seeds and susceptibility was identified as the results showed different responses at different development stages and among the three variants. The experimental design comprised no insecticide, thiamethoxam + tefluthrin, cyantraniliprole, flupyradifurone and Beauveria bassiana + Metarhizium anisopliae. The results show that the treatments with thiamethoxam + tefluthrin effectively reduced pest damage only at the critical stages of development. The current findings suggest that While some of these alternative methods offer good control, they may prove insufficient when applied individually. Hence, integrating them into a comprehensive pest management approach could be necessary for effectively safeguarding sugar beet yields. Further studies should explore potential additive or synergistic benefits to enhance these strategies.

Keywords: sugar beet varieties; IPM; Chaetocnema tibialis; Asproparthenis punctiventris; pesticides; seed coating (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpps:v:60:y:2024:i:3:id:8-2024-pps

DOI: 10.17221/8/2024-PPS

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