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Aspectos biológicos y epidemiológicos de enfermedades del tabaco causadas por Rhizoctonia solani, en el noroeste argentino
Mercado Cardenas, Guadalupe Eugenia (Escuela para Graduados Ing. Agr. Alberto Soriano, Facultad de Agronomía, Universidad de Buenos Aires, 2015-12-09)Las enfermedades en tabaco (Nicotiana tabacum L.), causadas por Rhizoctonia solani Künh, y en importancia de prevalencia la podredumbre radicular, son las enfermedades que causan mayores pérdidas en la producción. Cuanto ... -
Desarrollo y validación de escalas logarítmicas diagramáticas de severidad para enfermedades de fin de ciclo del cultivo de soja
Conforto, Erica Cinthia (Facultad de Ciencias Agropecuarias, Universidad Nacional de Córdoba, 2011-02-25)La mancha marrón (Septoria glycines), la mancha ojo de rana (Cercospora sojina) y el mildiú (Peronospora manshurica), son las enfermedades de fin de ciclo de la soja (EFC) de mayor relevancia en la provincia de Córdoba, ... -
Efecto in vitro de los agroquímicos usados en el maní sobre Sclerotina minor Jagger, Sclerotium rolfsii Sacc. y Trichoderma sp.
Pastor, Silvina Estela (Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, 2003)El cultivo de maní (Arachis hypogaea L.) de la provincia de Córdoba constituye el 96% de la producción nacional. El maní es la única especie de leguminosa que fructifica bajo tierra, por lo que sus vainas ya desarrolladas, ... -
Field assessment of soil biological and chemical quality in response to crop management practices
Vargas Gil, Silvina; Meriles, José Manuel; Conforto, Erica Cinthia; Figoni, Gervasio Jose; Basanta, Maria; Lovera, Edgar Francisco; March, Guillermo Juan (Springer, 2008-11-19)Soil microbiological and chemical aspects were evaluated to determine the effects of conservation tillage and crop rotation on soil fertility over a 16-year period. A field trial was established to compare two cropping ... -
Molecular identification and pathogenicity of Rhizoctonia spp. from tobacco growing areas in northwestern Argentina
Mercado Cardenas, Guadalupe Eugenia; Galvan, Marta Zulema; Barrera, Viviana Andrea; Rodriguero, Marcela Silvina; Carmona, Marcelo Anibal; March, Guillermo Juan; Ramallo, Ana Carolina; Shew, H. David (2015-06)In Argentina, more than 60 % of the tobacco crops are grown in the northwestern part of the country and where Rhizoctonia solani leads to a reduction in crop yield and quality. In this study, 35 isolates of Rhizoctonia ... -
Response of soil microbial communities to different management practices in surface soils of a soybean agroecosystem in Argentina
Vargas Gil, Silvina; Meriles, José Manuel; Conforto, Erica Cinthia; Basanta, Maria; Radl, V.; Hagn, A.; Schloter, M.; March, Guillermo Juan (Elsevier, 2010-12-03)Argentina is the world’s third most important soybean producer; hence, there is an urgent need to preserve soil health by applying appropriate agricultural practices to maintain sustainable production in the upcoming years. ... -
Soil microbial communities under different soybean cropping systems: Characterization of microbial population dynamics, soil microbial activity, microbial biomass, and fatty acid profiles
Meriles, José M.; Vargas Gil, Silvina; Conforto, Erica Cinthia; Figoni, Gervasio Jose; Lovera, Edgar Francisco; March, Guillermo Juan; Guzmán, C.A. (Elsevier, 2008-12-05)This work analyzes the direct effect of soil management practices on soil microbial communities, which may affect soil productivity and sustainability. The experimental design consisted of two tillage treatments: reduced ...