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Mostrando ítems 21-40 de 50
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Evaluación del comportamiento a royas de cultivares de trigo pan en siembras tempranas en el sur de Santa Fe. Campaña 2019
(EEA Oliveros, INTA, 2020)Entre las enfermedades foliares de trigo con mayor impacto sobre el rendimiento en el sur de Santa Fe, se encuentran las royas y las manchas foliares. -
Evaluación del control químico de enfermedades en ensayo de híbridos en Villa Huidobro (Cba.)
(EEA Marcos Juárez, INTA, 2023-02-03)El cultivo de maíz presenta enfermedades foliares comunes que pueden afectar de diferente manera el rendimiento de grano, según el comportamiento genético de los materiales, su manejo y condiciones de ambiente y sitio. La ... -
Fine mapping of LrSV2, a race-specific adult plant leaf rust resistance gene on wheat chromosome 3BS
(Springer, 2014-05)Three leaf rust resistance genes were identified in the durable leaf rust resistant Argentinean wheat variety Sinvalocho MA: the seedling resistance gene Lr3 on distal 6BL and two adult plant resistance genes, LrSV1 and ... -
Genome-wide association study for resistance in bread wheat (Triticum aestivum L.) to stripe rust (Puccinia striiformis f. sp. tritici) races in Argentina
(BioMed Central, 2022-11-24)Background: Wheat stripe rust, caused by Puccinia striiformis f. sp. tritici (Pst), is one of the most devastating diseases of the wheat crop. It causes significant reductions in both grain yield and grain quality. In ... -
Heredabilidad de la resistencia a la roya común (Puccinia melanocephala H. et P. Sydow) en familias FS de caña de azúcar (Saccharum spp)
(Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2016-03-30)La caña de azúcar es una especie cultivada de gran complejidad genética. Se postula que la resistencia a la roya común (Puccinia melanocephala H. et P. Sydow) tendría base oligénica u oligogénica con efectos principalmente ... -
How leaf rust disease and its control with fungicides affect dough properties, gluten quality and loaf volume under different N rates in wheat
(2018-03)The unique viscoelastic properties of gluten make bread wheat (Triticum aestivum L.) a staple food. The specific balance between gluten fractions, together with grain protein content (GPC), defines nutritional and end-use ... -
Identification of leaf rust resistance genes in selected Argentinean bread wheat cultivars by gene postulation and molecular markers
(Pontificia Universidad Católica de Valparaíso, 2011)Leaf rust, caused by Puccinia triticina Eriks. is a common and widespread disease of bread wheat (Triticum aestivum L.), in Argentina. Host resistance is the most economical, effective and ecologically sustainable method ... -
Impacto das mudanças climáticas sobre a ferrugem marron da cana-de-açúcar nas principais áreas productoras das Argentina
(Embrapa Semiárido, 2021)Os fitopatógenos e as pragas estão entre os primeiros indicadores dos efeitos das mudanças climáticas por suas características populacionais e de crescimento. A ferrugem marrom (Puccinia melanocephala) é uma doença da ... -
Impacto de enfermedades foliares del girasol y herramientas para el manejo de Alternaria helianthi y Phoma macdonaldii en el Sudeste Bonaerense.
(Universidad Nacional de Mar del Plata; Facultad de Ciencias Agrarias, 2015-09-10)El objetivo de esta tesis fue cuantificar la importancia de las enfermedades foliares del girasol en el sudeste bonaerense, y generar conocimientos y herramientas para el manejo de la mancha de la hoja por A. helianthi ... -
Introgresión de fuentes de resistencia a roya común y tizón foliar en líneas endocriadas de maíz (Zea mays l.)
(Asociación de Ingenieros Agrónomos del Norte de la Provincia de Buenos Aires, 2022-11)Maize (Zea mays L.) is one of the most important crops worldwide and is affected by several pathogens that put productivity and grain quality at risk. Common rust (Puccinia sorghi) and northern corn leaf blight (Exserohilum ... -
Mapping a gene on wheat chromosome 4BL involved in a complementary interaction with adult plant leaf rust resistance gene LrSV2
(Springer, 2018-08)A complementary gene to LrSV2 for specific adult plant leaf rust resistance in wheat was mapped on chromosome 4BL, tightly linked to Lr12 / 31. LrSV2 is a race-specific adult plant leaf rust (Puccinia triticina) resistance ... -
Mapping QTL for resistance to new virulent races of wheat stripe rust from two Argentinean wheat cultivars
(Crop Science Society of America, 2018)During the last two decades, new virulent and aggressive races of Puccinia striiformis Westend. f. sp. tritici (Pst) have spread worldwide, causing devastating epidemics and prompting the search for new sources of resistance ... -
Molecular mapping of Asian soybean rust resistance in soybean landraces PI 594767A, PI 587905 and PI 416764
(Wiley, 2015-02)Asian soybean rust (ASR), caused by Phakopsora pachyrhizi, is one of the most serious diseases of soybean. The soybean landraces PI 594767A, PI 587905 and PI 416764 previously showed high levels of resistance to a wide ... -
Nuevas líneas de soja con resistencia a roya asiática y búsqueda de nuevas fuentes de resistencia. Ciclo agrícola 2023/24
(Estación Experimental Agropecuaria Paraná, INTA, 2024)La virulencia de la roya asiática varía tanto anual y regionalmente como a nivel de cada lote de soja. Por lo tanto, los cultivares resistentes a la RAS deben estar adaptados a estas variaciones patogénicas del hongo. En ... -
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 ... -
Pathogenic diversity of soybean rust in Argentina, Brazil, and Paraguay
(Springer, 2013-01)Phakopsora pachyrhizi, the cause of soybean rust, is an economically important pathogen of soybean in South America. Understanding the pathogenicity of indigenous fungal populations is useful for identifying resistant plant ... -
Perfil sanitario de cultivares de trigo. Actualización 2023. Región pampeana-subregión pampa mesopotámica
(Estación Experimental Agropecuaria Paraná, INTA, 2023)Como productores, asesores y/o técnicos, podemos intervenir, directa e indirectamente, en el desarrollo de una enfermedad creando condiciones favorables o no para la misma. El principal método de control de royas y fusariosis ... -
Poplar leaf rust reduces dry mass accumulation and internal nitrogen recycling more markedly under low soil nitrogen availability, and decreases growth in the following spring
(Oxford University Press, 2019-01)Rust is one of the most important biotic stress factors that affect poplars. The aims of this work were: (i) to analyze the changes in growth and nitrogen (N) accumulation in Populus deltoides W. Bartram ex Marshall plants ... -
Presencia de Roya Amarilla en trigo en la zona de influencia de la CEI Barrow
(2018-03)En la última campaña de trigo se produjo el mayor ataque de roya amarilla en los últimos años, ocasionando importantes pérdidas de rendimiento en algunos materiales. Este artículo brinda información del comportamiento de ... -
Rapid emergency response to yellow rust epidemics caused by newly introduced lineages of Puccinia striiformis f. sp. tritici in Argentina
(Springer, 2019)Yellow rust (YR), caused by Puccinia striiformis f. sp. tritici, is one of the most destructive diseases of wheat worldwide. In 2017, YR emerged in Argentina and spread quickly into three million hectares, causing damage ...