Temas
Mostrando ítems 1-20 de 24
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Análise do N-terminal da proteína capsidial de SCMV infectando milho e sorgo no Brasil
(2012-12)Os objetivos do presente estudo foram (i) identificar por meio do sequenciamento da proteína capsidial a espécie de potyvírus causando sintomas de mosaico em milho e sorgo no Brasil, e (ii) analisar a sequência de aminoácidos ... -
Análisis filogenético de aislados de aspergillus flavus no aflatoxigénicos, potenciales agentes de biocontrol en maíz, aislados en Santiago del Estero y región colindante de Tucumán y Córdoba
(Asociación Argentina de Microbiología, 2021-09-15)Aspergillus flavus es un hongo patógeno de maíz responsable de la contaminación con aflatoxinas. Por medio del análisis filogenético se establecieron relaciones entre aislados de A. flavus a través de la secuenciación de ... -
Attribution of carbon dioxide fluxes to crop types in a heterogeneous agricultural landscape of Argentina
(Springer, 2014-10)The increasing proportion of agricultural lands worldwide makes it necessary to intensify the research concerning the carbon exchange at agricultural sites. In order to determine the Net Ecosystem Exchange (NEE) in an ... -
Caracterización comunitaria del maíz blanco de Quili Malal
(Plaza y Valdez, 2017)Se presenta el proceso de investigación interdisciplinaria realizado junto a agricultores familiares del paraje Quili Malal en Neuquén, Argentina. El trabajo tuvo como objetivo valorizar los saberes de la comunidad en torno ... -
Caracterización de Aspergillus flavus aislados de espigas de maíz en Santiago del Estero y regiones colindantes
(Facultad de Ciencias Agropecuarias, Universidad Nacional de Córdoba, 2022-05-02)El maíz (Zea mays L.) es uno de los cultivos con mayor superficie sembrada en el mundo y Argentina se encuentra entre los líderes mundiales en producción y exportación. La región formada por la Provincia de Santiago del ... -
Caracterización morfológica y molecular de cepas nativas de aspergilllus flavus aisladas de espigas de maíz provenientes de diferentes ambientes agrícolas
(Asociación Argentina de Microbiología, 2021-09-15)Una alternativa para reducir los niveles de contaminación con aflatoxinas es el control biológico con cepas de Aspergillus flavus nativas adaptadas al lugar donde se quiere aplicar, que no produzcan aflatoxinas, y que ... -
Characterization of Argentinian Endemic Aspergillus flavus Isolates and Their Potential Use as Biocontrol Agents for Mycotoxins in Maize
(American Phytopathological Society, 2018-05-07)Maize (Zea mays L.) is a highly valuable crop in Argentina, frequently contaminated with the mycotoxins produced by Aspergillus flavus. Biocontrol products formulated with atoxigenic (nontoxic) strains of this fungal species ... -
Comportamiento diferencial de híbridos de maíz frente a Aspergillus flavus toxigénicos en espigas en el Chaco semiárido argentino
(Fundación Hongos de Argentina para la Sustentabilidad, 2022-10-17)Argentina se encuentra entre los líderes mundiales en producción de maíz Zea mays L Aspergillus flavus infecta al cultivo causando pudrición de la espiga y frente a condiciones climáticas estresantes, algunos aislamientos ... -
Differential response of maize hybrids to field infection with Aspergillus flavus and aflatoxin accumulation in the Chaco Semi-arid region of Argentina
(Elsevier, 2022-03-08)Maize is affected by Aspergillus flavus and by the contamination of its kernels with aflatoxins, of which AFB1 is the most important. The Chaco Semi-arid is a region of Argentina in which the climate conditions increase ... -
Drought induces distinct growth response, protection, and recovery mechanisms in the maize leaf growth zone
(2015-10)Drought is the most important crop yield-limiting factor, and detailed knowledge of its impact on plant growth regulation is crucial. The maize (Zea mays) leaf growth zone offers unique possibilities for studying the ... -
Factores extrínsecos e intrínsecos asociados a poblaciones fúngicas micotoxigénicas de granos de maíz (Zea mays L.) almacenados en silos bolsa en Argentina = Extrinsic and intrinsic factors associated with mycotoxigenic fungi populations of maize grains (Zea mays L.) stored in silobags in Argentina
(Asociación Argentina de Microbiología, 2015-10)Con el objeto de caracterizar las poblaciones fúngicas, en particular las especies potencialmente micotoxigénicas, que pueden contaminar los granos de maíz almacenados en silos bolsa con un contenido de humedad superior ... -
First report of johnsongrass mosaic virus in Argentina
(2019-11-21)Potyviruses are responsible for important economic losses in maize crop. This work reports the detection of johnsongrass mosaic virus, a potyvirus affecting maize in Argentina. Electron microscopy studies, mechanical ... -
First report of Maize striatemosaic virus, a mastrevirus infecting Zea mays in Argentina
(Wiley, 2023-06-23)During 2021, sweet corn plants cultivated for human consumption in a 400-ha area in Santa Fe province, Argentina, showed severe virus-like symptoms, including marked dwarfism, plant deformation, nerval or internerval vein ... -
Fungal screening and aflatoxin production by Aspergillus section Flavi isolated from pre-harvest maize ears grown in two Argentine regions
(Elsevier, 2017-02)Aflatoxin contamination in maize kernels grown in central Argentina has increased since 2008. Pre-harvest maize ear samples were collected during two growing seasons to determine prevalent fungal genera as well as aflatoxin ... -
Genome characterization of three potyviruses affecting maize in Argentina
(Wiley, 2023-03-29)Argentina is globally recognized as both producer and exporter of maize, the most important cereal crop in the country. Several potyviruses affect the production of various crops, including maize. In this work, the complete ... -
Infection with Spiroplasma kunkelii on temperate and tropical x temperate maize in Argentina and development of a tool to evaluate germplasm
(Springer, 2021-11-30)Corn stunt disease is a disease that extends from the southern United States to Argentina and is one of the most important diseases in warm subtropical areas of the continent, periodically causing yield reductions in maize. ... -
Nanofertilizantes no cultivo do milho safrinha
(ABMS Associação Brasileira de Milho e Sorgo, 2023-11-28)Nos últimos anos, novas tecnologias têm surgido como forma de adoção nos sistemas de cultivo de milho safrinha visando aumentos de produtividade de grãos. Neste contexto, destaca-se o uso de novas formulações de fertilizantes, ... -
Natural control of corn postharvest fungi Aspergillus flavus and Penicillium sp. using essential oils from plants grown in Argentina
(Wiley; Institute of Food Technologists, 2014-12)The objective in this study was to evaluate the antifungal activity of essential oils from native and commercial aromatic plants grown in Argentina against corn postharvest fungi and to link the essential oil bioactivity ... -
Occurrence of the complete cycle of Puccinia sorghi Schw. in Argentina and implications on the common corn rust epidemiology
(Springer, 2018-12)The life-cycle of Puccinia sorghi, a heteroecious fungus, consists of five well-defined spore stages. The uredinial and telial stages are completed on the primary host (maize) whereas spermagonial and aecial stages occur ... -
Performance of transgenic maize genotypes against ear caterpillars in Argentina
(Consiglio per la Ricerca in Agricoltura e l'Analisi dell'Economia Agraria, Italia, 2020)Maize (Zea mays L.) is one of the most widely cultivated crops in the world and Argentina is a leading producer worldwide. Lepidopteran pests such as the fall army worm (Spodoptera frugiperda -J. E. Smith-) and the ...