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

journal contribution
posted on 2024-11-17, 14:59 authored by Darija Lemic, Mario Schumann, Ralf Tilcher, Olaf Czarnecki, Katarina M Mikac, Domagoj Vučemilović-Jurić, Helena Viric Gasparic
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.

History

Journal title

Plant Protection Science

Volume

60

Issue

3

Pagination

278-287

Language

English

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