Artículos científicos: Envíos recientes
Mostrando ítems 61-80 de 237
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First report of Rice stripe necrosis virus infecting rice in Sierra Leone
(Wiley, 2020-01-29)While Rice stripe necrosis virus (RSNV, Benyvirus, Benyviridae) has been reported on rice plants on two continents, little is known about the diversity of this multipartite virus which is transmitted by the plasmodiophorid ... -
Cassava common mosaic virus infection affects growth and yield components of cassava plants (Manihot esculenta) in Argentina
(Wiley, 2021-11-29)Cassava is an important crop with great economic and social significance in many countries. Most of its biomass is usable: storage roots can be destined for industry or fresh consumption, leaves are a source of protein, ... -
Infection with Spiroplasma kunkelii on temperate and tropical x temperate maize in Argentina and development of a tool to evaluate germplasm
(Springer, 2021-11-30)Corn stunt disease is a disease that extends from the southern United States to Argentina and is one of the most important diseases in warm subtropical areas of the continent, periodically causing yield reductions in maize. ... -
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 ... -
Alfalfa mosaic virus (AMV): genetic diversity and a new natural host
(Springer, 2021-10-15)Alfalfa mosaic virus (AMV) is a plant virus belonging to the genus Alfamovirus in the family Bromoviridae. AMV occurs worldwide and is one of the most important viruses affecting a large number of plant species, mainly ... -
Genetic Diversity of Rice stripe necrosis virus and New Insights into Evolution of the Genus Benyvirus
(MDPI, 2021-04-23)The rice stripe necrosis virus (RSNV) has been reported to infect rice in several countries in Africa and South America, but limited genomic data are currently publicly available. Here, eleven RSNV genomes were entirely ... -
Exploring species composition and population dynamics of thrips (Thysanoptera: Thripidae) in peanut crops in Argentina
(Springer, 2021-04-26)Thrips (Thysanoptera: Thripidae) are major pests of peanut (Arachis hypogaea L.). They cause feeding damage and indirect injuries transmitting plant viruses. In Argentina, peanut is commonly affected by thrips. The crop ... -
Mejora de la detección del patotipo no defoliante de Verticillium dahliae en olivo mediante PCR anidada
(Facultad de Ciencias Agropecuarias, Universidad Nacional de Córdoba, 2021-06-30)La olivicultura está afectada por un síndrome que genera marchitez en la copa del árbol. Uno de los microorganismos responsables es el hongo Verticillium dahliae, que provoca la enfermedad denominada verticilosis del olivo ... -
Determinación de patotipos de Verticillium dahliae Kleb. provenientes de las regiones olivícolas del centro y oeste de Argentina y pruebas de virulencia en algodón
(Facultad de Ciencias Agropecuarias, Universidad Nacional de Córdoba, 2021-06-30)La verticilosis causada por el hongo habitante de suelo Verticillium dahliae Kleb. es una enfermedad que afecta el cultivo del olivo (Olea europaea L.) y algodón (Gossypium hirsutum L.), entre otros. De acuerdo a su ... -
First report of Berkeleyomyces basicola (synonymous: Thielaviopsis basicola) on roots of sweet potato (Ipomoea batatas (L.) Lam) in Argentina
(Facultad de Ciencias Agrarias, Universidad Nacional de Cuyo, 2021-07-07)Symptomatic sweet potato cv Arapey INIA samples were collected from a commercial production field in Colonia Molina, Guaymallén department, Mendoza province, Argentina. They showed dark rounded lesions, sometimes coalescing ... -
Mitogenome and Nuclear-encoded Fungicide-target Genes of Thecaphora frezii - Causal Agent of Peanut Smut
(Longdom Publishing, 2019-08-28)Background: Thecaphora frezii Carranza and Lindquist causes smut disease in peanut (Arachis hypogaea L.) resulting in up to 35% yield losses. Fungicides have shown ineffective in controlling the disease; whereas research ... -
Soil microbial communities under different soybean cropping systems: Characterization of microbial population dynamics, soil microbial activity, microbial biomass, and fatty acid profiles
(Elsevier, 2008-12-05)This work analyzes the direct effect of soil management practices on soil microbial communities, which may affect soil productivity and sustainability. The experimental design consisted of two tillage treatments: reduced ... -
Hongos de podredumbre de la espiga en maíz, en Santiago del Estero y Chaco
(Asociación Argentina de Productores en Siembra Directa, 2021-07-26)Argentina se encuentra entre los lideres mundiales en producción de maíz, ocupando el sexto lugar como productor con alrededor de 60 millones de toneladas y oscila entre el tercero y cuarto como exportador ( MAGyP. 2020) -
Field assessment of soil biological and chemical quality in response to crop management practices
(Springer, 2008-11-19)Soil microbiological and chemical aspects were evaluated to determine the effects of conservation tillage and crop rotation on soil fertility over a 16-year period. A field trial was established to compare two cropping ... -
Efectos del herbicida glifosato sobre la estructura y el funcionamiento de comunidades microbianas de dos suelos de plantaciones de olivo
(Asociación Argentina de Ecología, 2012-04-01)Los herbicidas pueden alterar la estructura y el funcionamiento del suelo mediante efectos directos sobre varios componentes de su microbiota. Muchos autores han encontrado un efecto perjudicial del glifosato sobre la ... -
Response of soil microbial communities to different management practices in surface soils of a soybean agroecosystem in Argentina
(Elsevier, 2010-12-03)Argentina is the world’s third most important soybean producer; hence, there is an urgent need to preserve soil health by applying appropriate agricultural practices to maintain sustainable production in the upcoming years. ... -
First Report of Cladode Brown Spot in Cactus Prickly Pear Caused by Neofusicoccum batangarum in Brazil
(American Phytopathological Society, 2016-03-18)Cactus prickly pear (Nopalea cochenilifera) cladodes showing brown spot symptoms were collected of 18 fields of the State of Pernambuco, northeastern Brazil, from March to June 2014. The symptoms were prevalent in 100% of ... -
Sample size for assessment of cladode brown spot in prickly pear cactus
(Springer, 2017-03-15)Cladode brown spot (CBS) is an important disease of prickly pear cactus (Nopalea cochenillifera) in Brazil. No standard method exists for sampling in the field. A study was conducted in 30 fields of prickly pear (cv. Miúda) ... -
Anthracnose on alfalfa caused by Colletotrichum americae-borealis in Córdoba province, Argentina
(Elsevier, 2021-06-06)Alfalfa is an important forage crop in Argentina, with a large area dedicated to its cultivation. However, plant diseases are a common cause of loss because they limit productivity and reduce forage quality. Anthracnose, ... -
Illuminating the Plant Rhabdovirus Landscape through Metatranscriptomics Data
(MDPI, 2021-07-05)Rhabdoviruses infect a large number of plant species and cause significant crop diseases. They have a negative-sense, single-stranded unsegmented or bisegmented RNA genome. The number of plant-associated rhabdovirid sequences ...