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Abstract
Corn, the main crop in Argentina, is normally harvested and stored in silo bags above the safe storage moisture content for 3-6 months, and faces high risk of quality losses. The evaluation of fungicidal/fungistatic products that could potentially be used to protect wet grain stored in silo bags, has not been widely studied. Thus, the objective of this study was to make a preliminary in-vitro comparative evaluation of four different fungicidal treatments [ver mas...]
dc.contributor.authorAlvarez, Estefanía
dc.contributor.authorCardoso, Marcelo Leandro
dc.contributor.authorBartosik, Ricardo Enrique
dc.contributor.authorCastellari, Claudia
dc.contributor.authorDe La Torre, Diego
dc.contributor.authorErreguerena, Ignacio Antonio
dc.contributor.authorAbadia, María Bernadette
dc.date.accessioned2021-10-14T11:00:29Z
dc.date.available2021-10-14T11:00:29Z
dc.date.issued2021-08
dc.identifier.urihttp://hdl.handle.net/20.500.12123/10485
dc.description.abstractCorn, the main crop in Argentina, is normally harvested and stored in silo bags above the safe storage moisture content for 3-6 months, and faces high risk of quality losses. The evaluation of fungicidal/fungistatic products that could potentially be used to protect wet grain stored in silo bags, has not been widely studied. Thus, the objective of this study was to make a preliminary in-vitro comparative evaluation of four different fungicidal treatments in corn: 1) propionic acid (3 L/t); 2) a quaternary ammonium compound (3 L/t, diluted 1:25 with water); 3) sulfur dioxide (initial dose: 15% v/v); 4) phosphine (initial dose: 6.6 g/m3) along with their respective controls (non-treated). In treatments 1 and 2 (liquids) corn was sprayed with the product and then stored in a sterilized glass jar. In treatment 3, sulfur dioxide was injected into a previously sealed glass jar. In treatment 4, glass jars were placed inside a plastic drum of 60 L capacity with two aluminum phosphide tablets (0.2 g phosphine each) and closed. Both liquids and the phosphine treatments had an exposure time of 15 d (at 25 ± 1°C), while in the sulfur dioxide treatment, three exposure times were evaluated (5 min, 5 and 24 h, all at the same temperature). After the various treatments, the fungal biota (molds and yeasts) was evaluated. The results showed that the propionic acid treatment achieved a total control of fungal biota. Treatment with sulfur dioxide showed a reduction of 2-3 log10 (CFU/g DM) compared to non-treated samples. Finally, the quaternary ammonium compound and phosphine treatments only achieved a reduction in the number of colonies of 1 log10 (CFU/g DM). Based on the results of this study, propionic acid seems to be a good solution for improving the storability of wet corn in silo bags. Nevertheless, more information should be generated at laboratory and full scales.eng
dc.formatapplication/pdfes_AR
dc.language.isoenges_AR
dc.publisherUniversity of Manitoba, Canadáes_AR
dc.rightsinfo:eu-repo/semantics/restrictedAccesses_AR
dc.sourceProceedings of the 11th International Conference on Controlled Atmosphere and Fumigation in Stored Products. Canadá, 22-27 august de 2021es_AR
dc.subjectGranoses_AR
dc.subjectGraineng
dc.subjectFungicidases_AR
dc.subjectFungicideseng
dc.subjectÁcido Propiónicoes_AR
dc.subjectProponic Acideng
dc.subjectDióxido de Azufrees_AR
dc.subjectSulphur Dioxideeng
dc.subjectFosfinaes_AR
dc.subjectFosfineng
dc.subjectHongoses_AR
dc.subjectFungieng
dc.titleEvaluation of fungicidal action of four products on external fungal biota of grains.es_AR
dc.typeinfo:ar-repo/semantics/documento de conferenciaes_AR
dc.typeinfo:eu-repo/semantics/conferenceObjectes_AR
dc.typeinfo:eu-repo/semantics/acceptedVersiones_AR
dc.description.origenEEA Balcarcees_AR
dc.description.filFil: Alvarez, Estefanía. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina.es_AR
dc.description.filFil: Cardoso, Leandro. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina.es_AR
dc.description.filFil: Bartosik, Ricardo Enrique. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina.es_AR
dc.description.filFil: Bartosik, Ricardo Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina.es_AR
dc.description.filFil: Castellari, Claudia. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentinaes_AR
dc.description.filFil: De la Torre, Diego. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina.es_AR
dc.description.filFil: Erreguerena, Ignacio. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina.es_AR
dc.description.filFil: Abadía, María Bernadette. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina.es_AR
dc.subtypeponencia


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