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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 and distribution of soil Fusarium species under wheat crop in zero tillage
(2013)The presence of Fusarium species in cultivated soils is commonly associated with plant debris and plant roots. Fusarium species are also soil saprophytes. The aim of this study was to examine the occurrence and distribution ... -
Occurrence and duration of phenological phases of Freesia x hybrida grown at different planting dates
(Sociedade Brasileira de Floricultura e Plantas Ornamentais (SBFPO), 2023-06)Freesia (Freesia x hybrida) is one of the most cultivated species of cut flowers, ranking sixth in the international market. Pheno- logical processes occurring during the crop cycle are controlled by endogenous mechanisms ... -
Occurrence of Anastrepha fraterculus and Ceratitis capitata (Diptera: Tephritidae) in Organically Grown Rubus (Rosales: Rosaceae), in Two Contrasting Environments of Northwestern Argentina
(2017)In Tucumán (northwestern Argentina) during 2013 and 2014, Anastrepha fraterculus (Wiedemann) (Diptera: Tephritidae) and Ceratitis capitata (Wiedemann) (Diptera: Tephritidae) were found infesting organically grown blackberries ... -
Occurrence of Cryptosporidium and other enteropathogens and their association with diarrhea in dairy calves of Buenos Aires province, Argentina
(Elsevier, 2021-04)Cryptosporidiosis of neonatal dairy calves causes diarrhea, resulting in important economic losses. In Argentina, prevalence values of Cryptosporidium spp. and other enteropathogens such as group A rotavirus (RVA), bovine ... -
Occurrence of glyphosate and AMPA in an agricultural watershed from the southeastern region of Argentina
(Elsevier, 2015-12-01)Glyphosate (GLY) and AMPA concentrations were determined in sandy soil profiles, during pre- and post-application events in two agricultural soybean fields (S1 and S2). Streamwater and sediment samples were also analyzed. ... -
Occurrence of pesticide residues in indoor dust of farmworker households across Europe and Argentina
(Elsevier, 2023-10)Pesticides are widely used as plant protection products (PPPs) in farming systems to preserve crops against pests, weeds, and fungal diseases. Indoor dust can act as a chemical repository revealing occurrence of pesticides ... -
Occurrence of powdery mildew disease in wheat fertilized with increasing silicon doses: a chemometric analysis of antioxidant response
(Springer, 2016-08)Blumeria graminis (Bgt) is a pathogenic fungus that affects severally wheat plants provoking high losses in wheat production. Biochemical parameters like enzyme activity of catalase, superoxide dismutase, or peroxidases ... -
Occurrence of sarcoptic mange in free-ranging vicuñas (Vicugna vicugna) of the Andean high plateau region of Argentina
(Springer, 2022-04)Free-ranging vicuñas (Vicugna vicugna) are handled in some areas of the Andean high plateau region following an ancestral practice known as chaku, which consists in their transient capture and shearing of their fiber for ... -
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 ... -
Occurrence patterns of the endangered Yellow Cardinal Gubernatrix cristata in north-east Argentina: only in savannahs and at sites away from roads
(BirdLife International, 2023)The endangered Yellow Cardinal Gubernatrix cristata is under pressure from habitat loss and from capturing for the cage bird trade. In north-east Argentina it is known to be associated with the Espinal ecoregion, but no ... -
Ocho preguntas frecuentes sobre cambio climático
(AAPRESID, 2022-08-10)La presentación consiste en responder a estas preguntas frecuentes: 1. ¿Qué es el cambio climático?. 2. ¿Por qué se produce el cambio climático?. 3. ¿Cuál es la diferencia entre cambio climático y calentamiento global?. ... -
Ocurrencia de Ceresa nigripectus (Hemiptera: Membracidae) en vides de la región cuyana de Argentina
(Ediciones INTA, 2019-12)En la provincia de Mendoza se han observado ninfas y adultos de una chicharra, que al alimentarse de los órganos de la vid (Vitis vinifera L.) causa lesiones y sintomatologías producto de la respuesta de la planta. Dada ... -
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 ... -
Ocurrencia de heladas meteorológicas en el este de La Pampa y sus variaciones en las últimas décadas
(Sociedad Argentina de Informática, 2020-10-01)El objetivo de este trabajo fue estudiar la tendencia de la cantidad de días con heladas anuales durante las últimas seis décadas y las modificaciones del periodo anual medio con heladas en la estepa de la provincia de La Pampa. -
Ocurrencia de incendios rurales y forestales en la provincia de La Rioja entre los años 2015 y 2022
(Estación Experimental Agropecuaria La Rioja, INTA, 2023-06)El presente trabajo tiene por objetivo relevar y analizar la ocurrencia de incendios rurales y forestales en la provincia de La Rioja para el periodo comprendido entre los años 2015 y 2022. -
Ocurrencia de la enfermedad Hoja de malvon en zonas vitícolas de Catamarca y La Rioja, Argentina
(Asociacion Argentina de Fitopatologia, 2021-12-13)La ‘hoja de malvón’ (HM) es la principal enfermedad de la madera de la vid detectada en el país, en plantas adultas y diferentes variedades. Está asociada a especies de la familia Botryosphaeriaceae, Phaeoacremonium spp., ... -
Odour Profile of Beef Using an Electronic Nose Based on MOS-Sensor
(2013-02)The development of the aroma and flavour of cooked meat is a very complex process in which different components react to produce chemical intermediates or final flavour volatiles compounds. The aim of the present research ... -
Of volcanoes and insects: the impact of the Puyehue–Cordon Caulle ash fall on populations of invasive social wasps, Vespula spp.
(2013-03)Las erupciones volcánicas tienen importantes efectos en los ecosistemas terrestres. Los efectos bióticos de ceniza volcánica en las poblaciones de insectos varian de un generalizado y catastróficoa lo sutil y localizada. ...