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Now showing items 4902-4921 of 5116
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Ultra sensitive microfluidic immunosensor for determination of clenbuterol in bovine hair samples using electrodeposited gold nanoparticles and magnetic micro particles as bio-affinity platform
(Elsevier, 2013-03-15)In this article, we report the first integrated microfluidic immunosensor coupled to a screen-printed carbon electrode (SPCE) applied to determination of clenbuterol (CLB) in bovine hair samples. CLB is a member of the ... -
Ultrasonografía en dos protocolos de superovulación en donantes Braford del nordeste argentino
(2018)La reproducción de animales de mayor valor genético ha llevado a desarrollar distintas biotecnologías, como la transferencia de embriones. Los tratamientos de superovulación producen respuestas muy variables sobre todo en ... -
Umbrales de defoliación en soja, ajustes para la región
(EEA Reconquista, 2017-12)La soja es el principal cultivo agrícola de Argentina. En la campaña 2016/17 se produjeron 53,6 millones de toneladas, en un área de aproximadamente 20 millones de hectáreas, con un rendimiento promedio de 2,8 t/ha. Las ... -
Una experiencia de desarrollo rural con productores hortícolas en el Alto Valle
(2017)En la provincia de Río Negro la horticultura puede diferenciarse fundamentalmente en dos modalidades: producción especializada y diversificada. La primera se caracteriza porque la llevan adelante empresas y productores ... -
¿Una fruticultura sin fruticultores?
(2015)Cambios en el paisaje cuando se cierran las tranqueras. El drama de la vinculación del agricultor con la tierra fue recogido en diversas oportunidades por el cine y la literatura. Uno de los ejemplos más conocidos es el ... -
Uncontrolled Citrus psorosis virus infection in Citrus sinensis transgenic plants expressing a viral 24K-derived hairpin that does not trigger RNA silencing
(2016)Citrus psorosis virus (CPsV) is the causal agent of psorosis disease of citrus. Pineapple sweet orange plants were transformed with a hairpin construct derived from the viral 24k gene (lines ihp24K). Contrary to expectations, ... -
Understanding member characteristics and cooperative price effects: the case of the Argentinean dairy sector
(2019-06-10)Since the 1990s, Argentinean dairy-processing cooperatives have lost considerable amounts of members and market share. We analyse their current role by investigating the characteristics of farmers who continue delivering ... -
Undetermined cause of mortality in horses in Argentina
(2016)The aim of this report is to describe the features and clinical findings in a series of equine mortalities occurred in a Thoroughbred and Quarter Mile horse breeding farm located in Canuelas, Buenos Aires Province, Argentina. ... -
Unirse por el conocimiento científico
(2017-12)Los vínculos de cooperación entre las instituciones dedicadas a la ciencia y al desarrollo tecnológico potencian el abordaje de problemáticas y demandas agropecuarias. Este es el caso de la Unidad Integrada Balcarce que, ... -
El Universo escondido bajo nuestros pies: la importancia de conocer y preservar los organismos del suelo
(Ediciones INTA, 2018-12)Los suelos son la base de los sistemas productivos; sin embargo, pocos de estos sistemas contemplan la preservación de los organismos que contiene. Esta preservación es clave para el desarrollo de sistemas y estrategias ... -
Unpacking the push-pull system: assessing the contribution of companion crops along a gradient of landscape complexity
(Elsevier, 2018-12)The push-pull system, a stimulo-deterrent cropping strategy consisting of intercropping cereals with herbaceous legumes and surrounded by fodder grasses, is presented as a promising crop diversification strategy for ... -
Unravelling early events in the Taphrina deformans–Prunus persica interaction: an insight into the differential responses in resistant and susceptible genotypes
(2017)Leaf peach curl is a devastating disease affecting leaves, flowers and fruits, caused by the dimorphic fungus Taphrina deformans. To gain insight into the mechanisms of fungus pathogenesis and plant responses, leaves of a ... -
Unravelling the physiological basis of superficial scald in pears based on cultivar differences
(Elsevier, 2016-12)Superficial scald is an important physiological disorder affecting both apple and pear fruit during postharvest storage. To date, superficial scald has been associated to many different preharvest and postharvest factors ... -
La Ura está “corriendo” los límites de su hábitat
(EEA Reconquista, 2017-12)En Argentina la provincia más afectada por esta parasitosis es Misiones, aunque en los últimos años se han multiplicado los casos en el norte de las provincias de Entre Ríos y Santa Fe. La Ura es la larva de una mosca que ... -
La urbanización del regadío : el uso del agua en Nonogasta, Provincia de la Rioja
(Ediciones INTA, 2018)Se analizan algunas de las consecuencias del avance urbano en la localidad de Nonogasta, Provincia de La Rioja, donde se comparte el sistema de canales para riego y consumo humano. Cuantificando las cantidades de agua que ... -
Use and management of biodiversity by smallholder farmers in semi-arid West Africa
(Elsevier, 2018-09)Strategies that strengthen and use biodiversity are crucial for sustained food production and livelihoods in semiarid West Africa. The objective of this paper was to examine the role of biodiversity in sustaining diverse ... -
Use of 454-Pyrosequencing for the characterization of Sweet potato virus C and Sweet Potato Feathery Mottle virus Isolates fron Argentina and Development of a Multiplex one - step RT-PCR for Their Simultaneous Detection
(2016)454-pyrosequencing was applied as a tool to identify etiological agents involved in the symptoms observed in a sweet potato sample from Argentina. RNA was purified from symptomatic material and sequenced using a Roche 454 ... -
Use of a biophysical simulation model (DairyMod) to represent tall fescue pasture growth in Argentina
(Wiley, 2014-09)Tall fescue pastures have an increasing potential to be used worldwide. The purpose of this study was to test the ability and flexibility of the model DairyMod to represent herbage mass accumulation (HMA) of tall fescue ... -
Use of a critical phosphorus dilution curve to improve potato crop nutritional management
(Springer, 2016-08)Plant diagnostic methods to determine P deficiencies need the definition of a critical concentration value which represents the minimum P concentration required to achieve maximum growth. The critical P concentration (Pc) ... -
Use of AFLP markers to estimate molecular diversity of Phakopsora pachyrhizi
(2015-11)Background: Asian soybean rust (SBR) caused by Phakopsora pachyrhizi Syd. & Syd., is one of the main diseases affecting soybean and has been reported as one of the most economically important fungal pathogens worldwide. ...