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A global-temporal analysis on Phytophthora sojae resistance-gene efficacy
McCoy, Austin; Belange, Richard; Bradley, Carl; Cerritos-Garcia, Daniel; Garnica, Vinicius; Giesler, Loren; Grijalba, Pablo Enrique; Guillin, Eduardo Alejandro; Henriquez, Maria; Kim, Yong Min; Malvick, Dean; Matthiesen, Rashelle; Mideros, Santiago; Noel, Zachary; Robertson, Alison; Roth, Mitchell; Schmidt, Clarice; Smith, Damon; Sparks, Adam; Telenko, Darcy; Tremblay, Vanessa; Wally, Owen; Chilvers, Martin (Springer Nature, 2023-09-27)Plant disease resistance genes are widely used in agriculture to reduce disease outbreaks and epidemics and ensure global food security. In soybean, Rps (Resistance to Phytophthora sojae) genes are used to manage Phytophthora ... -
Caracterización taxonómica y análisis de la variabilidad del agente causal del cancro del tallo de la soja en Buenos Aires (2005/2007)
Grijalba, Pablo Enrique; Ridao, Azucena del Carmen; Guillin, Eduardo Alejandro (Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2011-12)El complejo Diaporthe/Phomopsis es un importante grupo de hongos patógenos de la soja. Dentro del mismo, Diaporthe phaseolorum var. caulivora es uno de los agentes causales del cancro del tallo. Veintitrés aislamientos de ... -
Comparative analysis of Argentinian and European populations of Ramularia collo-cygni on barley
Erreguerena, Ignacio Antonio; Hoebe, Peter N.; Carmona, Marcelo Anibal; Guillin, Eduardo Alejandro; Havis, Neil D. (Wiley, 2024-03-19)Ramularia collo-cygni (Rcc) is a major barley pathogen that causes yield and grain quality losses worldwide. The main sources of Rcc inoculum are the seed and asexual airborne spores. In Argentina, Rcc is considered to be ... -
Estructura genética de poblaciones de Phytophthora capsici en el noreste de la provincia de Buenos Aires, Argentina
Iribarren, Maria Josefina; Borassi, C.; Ferri, Andrea Matilde; González, B.; Steciow, M.; Guillin, Eduardo Alejandro (Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2016-04)Phytophthora capsici causa enfermedades destructivas en todo el mundo. El patógeno es heterotálico y los dos tipos de apareamiento (TAs) son requeridos para la reproducción sexual. La razón de TAs varía entre regiones ... -
Genetic entanglement between Cercospora species associating soybean purple seed stain
Guillin, Eduardo Alejandro; Olivera, Luiz Orlando; Grijalba, Pablo Enrique; Gottlieb, Alexandra Marina (2017-06)Soybean purple seed stain (S-PSS) is a destructive, worldwide distributed fungal disease caused by several Cercospora species. This work aims to shed light on the nature of the genealogical and genetic relationships amongst ... -
Identification and characterization of Pythium graminicola, causal agent of kikuyu yellows in Argentina
Grijalba, Pablo Enrique; Palmucci, Hemilse E.; Guillin, Eduardo Alejandro (Springer, 2017-08)Kikuyu grass (Pennisetum clandestinum) is a perennial plant that belongs to the Poaceae family. In Argentina, it is used in warm areas as tropical pasture, forage and grass in gardens and sports fields. Species of Pythium ... -
Pathogenic diversity of Phytophthora sojae in the southeast of the Province of Buenos Aires
Grijalba, Pablo Enrique; Ridao, Azucena; Guillin, Eduardo Alejandro; Steciow, Monica (Springer, 2020-06-08)Phytophthora sojae causes root and stem rot of soybeans. In Argentina, this pathogen has shown dramatic shifts in pathotype variability since its first discovery during the 1970s. The aim of this study was to report the ... -
Pathotype and SSR variation in Phytophthora sojae from the Argentinean Pampas
Grijalba, Pablo Enrique; Martinez, Maria Carolina; Guillin, Eduardo Alejandro (Wiley, 2020-04)Genetic variation in Phytophthora sojae was compared between northern (NPS) and southern (SPS) Pampeana sub‐regions, in the core soya bean region of Argentina. Ninety‐three isolates from plants and soil were evaluated in ... -
Sobre la mancha púrpura de la semilla de la soja: naturaleza de su etiología y diversidad
Guillin, Eduardo Alejandro (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 2018-12)La mancha púrpura de la semilla de la soja (MPSS) es una enfermedad fúngica distribuida en todas las regiones productoras de este cultivo a escala global. Se ha señalado al hongo Cercospora kikuchii como agente etiológico ... -
The origin and genetic diversity of the causal agent of Asian soybean rust, Phakopsora pachyrhizi, in South America
Jorge, V.R.; Silva, M.R.; Guillin, Eduardo Alejandro; Freire, M.C.M.; Schuster, I.; Almeida, A.M.R.; Oliveira, Luiz O. (Wiley, 2015-06)A sequence‐based approach was used to investigate molecular genetic variations in Phakopsora pachyrhizi, an obligate biotrophic pathogen that causes Asian soybean rust. In Argentina, the samples came from uredinium‐bearing ...