Títulos
Mostrando ítems 3096-3115 de 3746
-
Redefining the medicago sativa alphapartitiviruses genome sequences
(Elsevier, 2019-03-29)In Argentina, alfalfa (Medicago sativa L.) is a primary forage crop and a major feed component in dairy and beef cattle production systems. In 2010, we observed alfalfa plants showing symptoms of shortened internodes (bushy ... -
Redox systemic signaling and induced tolerance responses during soybean–bradyrhizobium japonicum interaction: involvement of nod factor receptor and autoregulation of nodulation
(Frontiers Media, 2019-02)The symbiotic relationship between legumes and nitrogen-fixing rhizobia induces local and systemic responses, which ultimately lead to nodule formation. The autoregulation of nodulation (AON) is a systemic mechanism related ... -
Redox-related metabolites and gene expression modulated by sugar in sunflower leaves: similarities with Sunflower chlorotic mottle virus-induced symptom
(Taylor & Francis, 2013)Sugars are part of an integrated redox system, since they are key regulators of respiration and photosynthesis, and therefore of the levels of reducing power, ATP and ROS. These elements are major determinants of the ... -
Reduction of foot-and-mouth disease virus transmission in cattle vaccinated one or two weeks before challenge using a commercial polyvalent vaccine
(Elsevier, 2020-08)Immediate vaccination of the most susceptible and epidemiological relevant animals is a crucial part of control measures that facilitate virus elimination in case of entry of foot-and-mouth disease (FMD). The objective of ... -
Reduction of liver abscesses in feedlot cattle by the addition of tannins on diet
(Ediciones INTA, 2019-08)Liver abscess is a common disorder of feedlot cattle developed usually after ruminal acidosis. Despite of this condition is generally asymptomatic, it causes economic losses due to the reduction of feed efficiency. Routinely, ... -
Reductions in Maize Root-tip Elongation by Salt and Osmotic Stress do not Correlate with Apoplastic O2•− Levels
(Oxford Academic Press, 2008-10)Background and Aims: Experimental evidence in the literature suggests that O2•− produced in the elongation zone of roots and leaves by plasma membrane NADPH oxidase activity is required for growth. This study explores ... -
Reference gene selection for gene expression studies using RT-qPCR in virus-infected planthoppers
(BioMed Central, 2011-12)Background: Planthoppers not only severely affect crops by causing mechanical damage when feeding but are also vectors of several plant virus species. The analysis of gene expression in persistently infected planthoppers ... -
Regional isoprenoid emission from Eucalyptus grandis forests in northeastern Argentina
(2016)Eucalyptus species are strong source of isoprenoid emission. The objective of the present study was to estimate isoprenoid emissions from Eucalyptus grandis forest crops in the Entre Rios province in the Mesopotamia region ... -
Registros del carbón de la panoja Sporisorium reilianumen maíces de Córdoba y San Luis, Argentina
(Asociación Argentina de Fitopatólogos, 2021-09-22)El maíz es un cultivo importante en Argentina y es afectado por diversas enfermedades fúngicas que causan pérdidas económicas. En lotes comerciales de diferentes ambientes del área agrícola central del país, se detectaron ... -
Regulación de hormonas esteroides y metabolismo reductivo de la progesterona durante el desarrollo embrionario en los tejidos esteroidogenicos de Gallus Domesticus. Relación con la introducción de la δ-ALA-Sintetasa
(Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 1986)El tema de esta tesis obliga a tener en cuenta dos conceptos relativamente recientes en biología de la regulación humoral que, al tiempo de dar una visión más generalizada, por ende, integrativa, de los fenómenos hasta ... -
Regulation of Zn and Fe transporters by the GPC1gene during early wheat monocarpic senescence
(2014-12)Background; During wheat senescence, leaf components are degraded in a coordinated manner, releasing amino acids and micronutrients which are subsequently transported to the developing grain. We have previously shown that ... -
Regulatory mechanisms behind the phenotypic plasticity associated with Setaria italica water deficit tolerance
(Springer, 2022-05)Drought is one of the main environmental stresses that negatively impacts vegetative and reproductive yield. Water deficit responses are determined by the duration and intensity of the stress, which, together with plant ... -
Relaciones geopedológicas y análisis multivariado de los atributos edáficos asociados a las dunas longitudinales del noroeste de la provincia de Buenos Aires, Argentina = Geopedological relations and multivariate analysis ofassociated edaphic attributes to the longitudinal dunes of the northwest of Buenos Aires province, Argentina
(Asociación Geológica Argentina, 2017)El enfoque geopedológico se refiere a las relaciones entre geomorfología y pedología, en tanto las características geomorfológicas del paisaje condicionan la intensidad de los procesos pedogenéticos y controlan numerosos ... -
Relación clima y virosis en los cultivos de trigo y maíz
(Universidad Nacional del Noroeste de la Provincia de Buenos Aires -UNNOBA, 2022-10-19)Numerosos procesos infecciosos de las enfermedades de las plantas están influenciados por el clima, en particular con variables como la temperatura, la precipitación y el viento. Además del efecto del clima sobre los ... -
Relación entre peso al nacimiento y medidas torácicas en terneros de raza Criollo Argentino
(Asociación Latinoamericana de Producción Animal, 2020-12)La raza Criollo Argentino se caracteriza por su facilidad de parto. Dificultades en el momento de la parición pueden ocasionar pérdidas de terneros, mayores controles y asistencia de las hembras y pérdidas de vientres en ... -
Relación tubo polínico/pistilo en cruzamientos interespecíficos en el género Nierembergia (Solanaceae) = Relationship between pollen tube/pistil in interspecific crosses in Nierembergia genus (Solanaceae)
(Universidad de Concepción, Campus Chillán, 2015)Se estudió la relación estigma-polen/estilo-tubo polínico (EPETP) en cruzamientos interespecíficos recíprocos entre N. linariaefolia, N. ericoides, N. scoparia, N. aristata, N. veitichii, y N. calycina, con el objetivo de ... -
Relationship between biophysical parameters and synthetic indices derived from hyperspectral field data in a coastal marsh from Buenos Aires Province, Argentina
(Springer, 2016-02)Remote sensing tools allow the environmental evaluation of coastal wetlands at a landscape scale, but a deeper understanding is needed of the interactions between biophysical parameters and the electromagnetic signal. The ... -
Relationship between changes in core body temperature in lambs and post-slaughter muscle glycogen content and dark-cutting
(2014)Pre-slaughter stress may decrease muscle glycogen content, a key element for a suitable low ultimate pH and prevention of dark-cutting meat. Body temperature monitoring is a tool used in research on animal stress, as an ... -
Relationship between incidence and severity of peanut smut and its regional distribution in the main growing region of Argentina
(Springer, 2021-10-20)Peanut smut, caused by the soil-borne pathogen Thecaphora frezii, has increased in incidence in the main Argentinian peanut-growing regions. Smut-affected pod transform the kernel into a mass of teliospores, which survive ... -
Relationships among Physicochemical, Microbiological, and Parasitological Parameters, Ecotoxicity, and Biochemical Methane Potential of Pig Slurry
(MDPI, 2023-02-09)Background: Pig slurry can negatively impact on the environmental, animal, and human health. Knowing the relationship between the organic and inorganic loads, pathogens, and toxicity allows identifying the main parameters ...