Mariana Maury
Current Organizations / Institutes
The organizations/institutes from the scholar's latest article
Mariana Maury has a total of 6 co-authors. Here are the top co-authors by number of shared publications:
- Florencia Magalí Barbero
Instituto Multidisciplinario de Biología Vegetal (IMBIV-CONICET-UNC), Córdoba 5000, Argentina
1 shared publication - José Manuel Meriles
Instituto Multidisciplinario de Biología Vegetal (IMBIV-CONICET-UNC), Córdoba 5000, Argentina
1 shared publication - María Florencia Dominchin
Instituto Multidisciplinario de Biología Vegetal (IMBIV-CONICET-UNC), Córdoba 5000, Argentina
1 shared publication - Romina Aylén Verdenelli
Instituto Multidisciplinario de Biología Vegetal (IMBIV-CONICET-UNC), Córdoba 5000, Argentina
1 shared publication - Silvina Vargas-Gil
Instituto de Patología Vegetal, Centro de Investigaciones Agropecuarias, Instituto Nacional de Tecnología Agropecuaria (IPAVE, CIAP-INTA), Córdoba 5000, Argentina
1 shared publication - Valeria Faggioli
Instituto Nacional de Tecnología Agropecuaria (INTA)-Estación Experimental Marcos, Juárez 2580, Argentina
1 shared publication
Latest Publications
- Open Access
Forty-Eight Years of Maize Monoculture Under Contrasting Tillage Affect Short-Term Microbial Responses to Azoxystrobin and Vermicompost
Azoxystrobin is a widely used strobilurin fungicide, yet how soil microorganisms respond to overexposure in long-term monocultures, and whether organic amendments can mitigate that response, remains poorly understood. We ran a 30-day greenhouse experiment with soil from a maize monoculture maintained since 1975 under conventional tillage (LC) and no-tillage (SD). Azoxystrobin was applied at the recommended (DR1X, 5 mg kg−1) and tenfold (DR10X) doses, with or without vermicompost (VC, 50 g kg−1). Analyses included 16S rRNA gene sequencing, fatty acid methyl ester (FAME) profiling and partial least squares structural equation modeling (PLS-SEM). DR10X significantly reduced the relative abundance of Gram-positive biomarkers in both systems and increased the fungi/bacteria ratio by 50% under LC, without reducing total microbial biomass. VC increased pH, electrical conductivity and, without fungicide, richness, and reversed the DR10X increase in the fungi/bacteria ratio under LC, but Chloroflexi and Planctomycetota reached their lowest relative abundances in VC-amended fungicide treatments under LC. Shannon diversity was unaffected, whereas Pielou’s evenness increased only under LC with DR10X, with or without VC. Soil chemistry significantly predicted FAME biomarkers only under SD; most other PLS-SEM paths were not significant. Microbial responses to azoxystrobin depended on soil management, and VC effects were taxon-specific rather than protective.
Open AccessForty-Eight Years of Maize Monoculture Under Contrasting Tillage Affect Short-Term Microbial Responses to Azoxystrobin and Vermicompost
Azoxystrobin is a widely used strobilurin fungicide, yet how soil microorganisms respond to overexposure in long-term monocultures, and whether organic amendments can mitigate that response, remains poorly understood. We ran a 30-day greenhouse experiment with soil from a maize monoculture maintained since 1975 under conventional tillage (LC) and no-tillage (SD). Azoxystrobin was applied at the recommended (DR1X, 5 mg kg−1) and tenfold (DR10X) doses, with or without vermicompost (VC, 50 g kg−1). Analyses included 16S rRNA gene sequencing, fatty acid methyl ester (FAME) profiling and partial least squares structural equation modeling (PLS-SEM). DR10X significantly reduced the relative abundance of Gram-positive biomarkers in both systems and increased the fungi/bacteria ratio by 50% under LC, without reducing total microbial biomass. VC increased pH, electrical conductivity and, without fungicide, richness, and reversed the DR10X increase in the fungi/bacteria ratio under LC, but Chloroflexi and Planctomycetota reached their lowest relative abundances in VC-amended fungicide treatments under LC. Shannon diversity was unaffected, whereas Pielou’s evenness increased only under LC with DR10X, with or without VC. Soil chemistry significantly predicted FAME biomarkers only under SD; most other PLS-SEM paths were not significant. Microbial responses to azoxystrobin depended on soil management, and VC effects were taxon-specific rather than protective.