Abstract
Fungicides used in agriculture contaminate the environment and promote the spreading of fungicide-resistant strains. Enhancement of pathogen sensitivity to pesticides using the so-called biosensitizers allows reducing of fungicide dosages with no negative effect on their efficiency. A microbial metabolite 6-demethylmevinolin (6-DMM) already proved its sensitizing activity in Bipolaris sorokiniana towards triazole fungicides. Using Petri dish bioassay and microplate assay combined with the probit analysis, non- or marginally toxic concentrations of this compound, which are used for sensitizing effect, were determined for four Fusarium fungi (F. avenaceum, F. culmorum, F. oxysporum, F. graminearum) forming a wheat root rot complex together with B. sorokiniana. The range of the determined concentrations confirmed a principal possibility to use 6-DMM as a putative sensitizer for the whole of this complex of pathogens.
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The study was supported by the Russian Science Foundation (project 18-16-00084).
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Kartashov, M., Pasechnik, T., Statsyuk, N., Shcherbakova, L., Dzhavakhiya, V. (2021). Assessment of the Sensitivity of Some Fusarium Root Rot Agents to 6-Demethyl Mevinolin, a Putative Biosensitizer. In: Ksibi, M., et al. Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions (2nd Edition). EMCEI 2019. Environmental Science and Engineering(). Springer, Cham. https://doi.org/10.1007/978-3-030-51210-1_170
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