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Mostrando ítems 505-524 de 714
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Non-linear dynamics of litter decomposition under different grazing management regimes
(Springer, 2015-08)Aims: To understand and model the dynamics of litter decomposition in a climatically seasonal region subject to different modalities of land pasture management. Methods: Decomposition was quantified through the litterbag ... -
Novel bird’s-foot trefoil RNA viruses provide insights into a clade of legume-associated enamoviruses and rhabdoviruses
(Springer, 2019-03-09)Here, we report the identification and characterization of two novel viruses associated with bird’s-foot trefoil. Virus sequences related to those of enamoviruses (ssRNA (+); Luteoviridae; Enamovirus) and nucleorhabdoviruses ... -
¿Nueva problemática sanitaria asociada a bacteria fitopatógena gram-positiva en trigo? [resumen]
(Sociedad Argentina de Biología, 2020-09-09)A nivel mundial, se han descripto numerosas bacterias fitopatógenas en trigo (Triticum aestivum L.) responsables de ocasionar mermas en el rendimiento de este cultivo. Si bien la mayoría de ellas pertenecen a géneros de ... -
Nuevos cultivares de gramíneas forrajeras subtropicales para ambientes restrictivos
(Ministerio de Ciencia y Tecnología, Argentina, 2021-10)En los últimos años, se ha generado un nuevo escenario productivo en Argentina a consecuencia del desplazamiento de la ganadería hacia zonas no agrícolas con restricciones edafo-climáticas adversas, entre ellas, suelos de ... -
Nurse plants and seed provenance in the restoration of dry Chaco forests of central Argentina
(Elsevier, 2023-02-01)In degraded dry environments, a promising restoration strategy involves nurse plants and their microsites, which facilitate species recruitment. Different nurse plant species might provide different microclimatic and soil ... -
Nutrient deficiency and hypoxia as constraints to Panicum coloratum growth in alkaline soils
(Wiley; British Grassland Society; European Grassland Federation, 2017-12)Alkaline and saline–alkaline soils impose severe restrictions on plant growth. Panicum coloratum var. coloratum is a perennial C4 forage grass widely used in tropical and subtropical environments. Published information on ... -
Obtaining sexual genotypes for breeding in buffel grass
(2013-09)Buffel grass (Cenchrus ciliaris L. syn. Pennisetum ciliare (L.) Link) is a species that is highly tolerant to drought and is used primarily as forage in drier regions throughout the subtropics and tropics. It reproduces ... -
Obtención de suero anti-Rice stripe necrosis virus por expresión heteróloga de la capside proteica viral
(Asociación Argentina de Fitopatólogos, 2021-09-22)El entorchamiento del arroz”, causado por el Rice stripe necrosis virus ( es una gran amenaza para el cultivo del arroz en Argentina Hasta la fecha, se desconoce su distribución, cultivares promisoriamente resistentes y ... -
Occurrence and characterization of a severe isolate of Watermelon mosaic virus from Argentina
(2016)More than 50 viruses have been reported in cucurbit crops worldwide. In Argentina, cucurbit viruses have been associated with important yield losses. The most prevalent and widespread potyvirus is Watermelon mosaic virus ... -
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 ... -
Ocurrencia de Fusarium proliferatum causando marchitez de plantas de garbanzo en Tucumán, Argentina
(Asociación Argentina de Microbiología, 2019-11-14)En los últimos años, las exportaciones argentinas de garbanzo (Cicer arietinum) verificaron un incremento, pasando de un volumen promedio de 16.000 toneladas en la campaña 2009/2010 a un valor récord de 166.700 toneladas ... -
On the value of preprints: an early career researcher perspective
(PlosONE, 2019-02-21)Peer-reviewed journal publication is the main means for academic researchers in the life sciences to create a permanent public record of their work. These publications are also the de facto currency for career progress, ... -
Orthotospovirus disease epidemic: molecular characterization and incidence in peanut crops
(Springer, 2020-10-13)Argentina is one of the main peanut (Arachis hypogaea L.) exporting countries with the major peanut-growing area located in the province of Córdoba. During the 2015–2016 growing season, severe outbreaks of an orthotospovirus-like ... -
Osteosarcoma in the Skull of a Holstein Heifer
(Brazilian Association of Veterinary Pathology, 2014-12-22)A-2-year-old heifer showed a mass on the frontal part of the skull. Cytological analysis displayed pleomorphic, polyedric and fusiform cells with extracellular hyaline material. Histologically, the excised mass showed ... -
El Paisaje Actual de Publicaciones Académicas: una Visión Emergente desde el Sur Global
(Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 2023-04)Una gran parte del sistema de publicaciones académicas tradicional es desigual, poco confiable, excluyente, discriminatorio, sesgado, depredador, insostenible y opaco [1]. Aproximadamente el 70 % de los artículos de ... -
Papaya ringspot virus W infecting Luffa aegyptiaca in Cuba
(Springer, 2017-12)Luffa aegyptiaca (sponge gourd) plants showing severe leaf mosaic and deformation symptoms were observed in Villa Clara, Cuba. Electron microscopy observations of leaf dip preparations revealed flexuous filamentous particles, ... -
Papaya ringspot virus–Carica papaya pathosystem
(Academic Press, 2020-05-14)This chapter explains why papaya ringspot virus (PRSV) is a global threat to Carica papaya L. and discuses some aspects papaya origin, taxonomy, distribution, global production, and genetic and genomic resources. PRSV ... -
Papaya—I
(Elsevier, 2023-09-22)This chapter reviews the viruses that have been reported infecting papaya (Carica papaya L.) worldwide, focusing on papaya mosaic, papaya leaf distortion mosaic, papaya apical necrosis, and papaya leaf curl diseases. These ... -
Partial and total defoliation during the filling period affected grain industrial and nutraceutical quality in soybean
(Wiley, 2022-01-08)BACKGROUND: Little is known about soybean grain chemical composition response to defoliation. The objectives of our study were: (i) to quantify the impact of different levels and timing of defoliation during the filling ... -
Peanut Smut : from an emerging disease to an actual threat to Argentine Peanut production
(2017-03)The center of origin of peanut is located in South America, specifically in southeastern Bolivia and northwestern Argentina, where its parental species are found in wild habits. Even though Argentina is only the seventh ...