Ángela Norma Formento

Ángela Norma Formento
Instituto Nacional de Tecnología Agropecuaria | inta · Estación Experimental Agropecuaria Paraná, PARANÁ-ENTRE RÍOS

Dra. Ing. Agr.

About

59
Publications
18,441
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185
Citations
Citations since 2016
10 Research Items
149 Citations
2016201720182019202020212022010203040
2016201720182019202020212022010203040
2016201720182019202020212022010203040
2016201720182019202020212022010203040
Introduction
Corn, Soybean, Wheat and Canola Diseases. IPM on Soybean Crops
Additional affiliations
August 1983 - January 2015
Instituto Nacional de Tecnología Agropecuaria
Position
  • Researcher in Plant Pathology - Field Crops
August 1983 - April 2016
Instituto Nacional de Tecnología Agropecuaria
Position
  • Researcher in Plant Pathology - Field Crops

Publications

Publications (59)
Technical Report
Full-text available
La roya amarilla (RA) de los cereales provocada por el hongo Puccinia striiformis Westend. sensu lato (sentido amplio); este hongo se puede dividir en cinco formas especiales (f. sp.) agropyri, elymi, hordei, secalis y tritici, asociadas al hospedante que infectan con mayor frecuencia. En la campaña 2020/21 en ensayos comparativos de rendimiento de...
Article
Aims: This study investigated the diversity of Colletotrichum isolates recovered from Conyza bonariensis leaves through the use of morphological characteristics, growth rate, carbon sources utilization and phylogenetic analysis. Methods and results: In all, 30 Colletotrichum isolates recovered from C. bonariensis leaves showing symptoms of disea...
Article
Background: The emergence of azole resistance in non-fumigatus Aspergillus strains is on the raise. Objectives: To study the susceptibility profiles and the molecular mechanisms of azole-resistance of environmental and clinical strains of Aspergillus flavus from Argentina. Methods: Thirty-five A. flavus isolates (18 from soybean seeds and chic...
Article
Full-text available
Se discuten los posibles efectos de los cultivos de cobertura sobre los niveles de las enfermedades que afectan a los cultivos de producción agrícola poniendo énfasis en la necesidad de generar información local de manera integrada.
Article
Full-text available
Brazil and Argentina have a combined soybean area of 53.6 million hectares, which accounts for over half of the total global production. The soybean crop in South America extends from latitude 8-10 • S to 32-36 • S. Such a vast, almost contiguous area imposes a serious sanitary risk to the crop. Currently, the prevalence of anthracnose is increasin...
Article
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In the last years Conyza bonariensis has become an important weed and control is difficult with the use of current technology in Argentinean pampas region. The increasing prevalence of herbicide-resistant weed species, public concern related to pesticide use and the introduction of government policies for pesticide reduction, is driving the search...
Article
Full-text available
Abstract. Soybean root and stem rots caused by soil-borne pathogens are diseases commonly found in soybean fields, and one of the most important causes of crop losses. In the present study, the mycelial sensitivity of Fusarium virguliforme, F. tucumaniae, Sclerotin-ia sclerotiorum and Macrophomina phaseolina was evaluated on potato dextrose agar me...
Article
Soybean (Glycine max L.) is the most important crop in Argentina. At present Fusarium graminearum is recognized as a primary pathogen of soybean in several countries in the Americas, mainly causing seed and root rot and pre- and post-emergence damping-off. However, no information about infections at later growth stages of soybean development and pa...
Conference Paper
Full-text available
El síndrome de la muerte súbita (SMS) de la soja (Glycine max) puede ser causado por cuatro especies de Fusarium, F. tucumaniae, F. brasiliense y F. crassistipitatum (Argentina y Brasil) y F. virguliforme (Argentina, Brasil, Canadá, Sudáfrica y USA). Estas especies comparten el Clado 2 dentro del complejo Fusarium solani con F. azukicola, F. cuneir...
Conference Paper
Full-text available
El maíz (Zea mays L.) es el cereal más importante de Argentina con 6 millones de ha sembradas, una producción de 32,1 millones de toneladas y un rendimiento promedio de 6.600 kg ha-1. En Entre Ríos, en siembras tardías se registran enfermedades foliares limitantes del rendimiento. Entre ellas, la más relevante es el tizón foliar (Exserohilum turcic...
Article
Full-text available
Diaporthe (teleomorpho)-Phomopsis (anamorph) (DP) is a fungal group of great genetic diversity with over 900 species associated to a wide host range that includes cultivated and uncultivated species, forest, fruit trees and weeds. DP isolates are hemibiotrophs and have different sources of primary inoculum as stubble and seeds to restart cycles of...
Article
Full-text available
Morphologic and molecular characterization of Phomopsis longicolla (teleomorph unknown: Diaporthales) from tempered and subtropical regions of Argentina Diaporthe (telomorfo)-Phomopsis (anamorph) (DP) is a fungal group of great genetic diversity with over 900 species associated to a wide host range that includes cultivated and uncultivated species,...
Article
Full-text available
The aims of this study were to select microbial isolates from phyllosphere of maize and to examine their antagonistic activity against Exserohilum turcicum. Selection was performed through the ability of isolates to compete with the pathogen using an index of dominance and to affect growth parameters of E. turcicum. Most of the epiphytic population...
Conference Paper
Full-text available
Introducción La avena (Avena sativa L., A. byzantina K. Koch) y el raigrás anual son los verdeos invernales de mayor difusión en Entre Ríos. primavera (Tomaso, 2009). La "roya de la hoja" (Puccinia coronata f. sp. avenae) es la enfermedad fúngica más importante de la avena y afecta tanto a la producción como a la calidad del forraje. Si bien la pri...
Conference Paper
Full-text available
In late-planted corn (Zea mays L.), December to early January instead of September-October, favorable environmental conditions allow the development of foliar diseases, especially eyespot (ES), caused by Kabatiella zeae, and northern leaf blight (NLB), produced by Setosphaeria turcica (anamorph Exserohilum turcicum). The aim of this study was to ch...
Conference Paper
Full-text available
Current corn production in Argentina is characterized by zero tillage, insufficient crop rotation and inadequate management of volunteer plants, mostly corn RR. The increase of late planting (December-January) has allowed the re-emergence of foliar diseases and ears and stalks rots, standing out the northern leaf blight (NLB) caused by Setosphaeria...
Conference Paper
Full-text available
La mancha ocular (MO) del maíz (Zea mays L.) es causada por Kabatiella zeae Narita & Hiratsuka, Syn. Aureobasidium zeae [(Narita & Hiratsuka) J.M. Dingley] hongo patógeno que desarrolla entre 14 y 17°C, con lluvias frecuentes o rocío persistente. La incidencia de la MO se incrementó en diversos países bajo siembra directa y rotaciones insuficientes...
Conference Paper
Full-text available
El hongo Kabatiella zeae Narita & Hiratsuka, Syn. Aureobasidium zeae [(Narita & Hiratsuka) J.M. Dingley] ocasiona la “mancha ocular” (MO) sobre tallos, vainas, hojas y brácteas foliáceas de maíz (Zea mays L.). La primera descripción se realizó en 1959 en Japón y luego, en Canadá, EE.UU, Francia, Austria, Alemania, Yugoslavia, Nueva Zelandia y Brasi...
Conference Paper
Full-text available
La mancha amarilla (MA), causada por Drechslera tritici-repentis (teleomorfo Pyrenophora tritici-repentis), es una enfermedad endémica relevante del trigo por su efecto sobre el rendimiento. El objetivo fue determinar la relación entre volumen de rastrojo de trigo, número de pseudotecios y niveles de MA. El trabajo se realizó en el año 2012 en la E...
Conference Paper
Full-text available
La fusariosis de la espiga del trigo (FET) causada por Fusarium graminearum y Fusarium sp., es una enfermedad esporádica que depende fundamentalmente de factores climáticos. En Paraná, Entre Ríos, los meses de septiembre y octubre de 2012 se caracterizaron por presentar días con intensas precipitaciones y prolongadas horas de mojado foliar en relac...
Conference Paper
Full-text available
The maize white speckle (MWS) is a symptom observed from the first vegetative states for some years in Argentina. Until the present, studies conducted under different protocols have failed to determine the etiology, although there are hypotheses about its bacterial, fungal or physiological origin. The MWS designation used to differentiate it from t...
Conference Paper
Full-text available
La superficie implantada con maíz en la provincia de Entre Ríos en el ciclo agrícola 2013/14 fue de 264.000 ha, correspondiendo un 26,7% a siembras tardías. El tizón foliar común (TFC), causado por Exserohilum turcicum, es una enfermedad endémica en toda la región pampeana y extra pampeana y provoca disminuciones de rendimiento principalmente en si...
Article
Full-text available
The oilseed rape (Brassica napus L.) is affected by many diseases including black leg caused by Leptosphaeria maculans (anamorph Phoma lingam), powdery mildew for Erysiphe cruciferarum (anamorph Oidium spp.) and black rot of crucifers by the bacterium Xanthomonas campestris pv. campestris. These diseases can affect grain yield and oil content accor...
Conference Paper
Full-text available
Un grupo de investigadores de las enfermedades del maíz entre ellos Roberto de Rossi (UCCOR) y Lucrecia Couretot (INTA EEA Pergamino) hemos llamado "lunar blanco" a síntomas foliares que se presentan desde hace varios años, que motivan numerosas consultas en toda la región maicera argentina. La denominación tiene la finalidad de diferenciarla de la...
Article
The fungus Ramularia collo-cygni B. Sutton & J. M. Waller (Rcc) was identified as the causal agent of this emerging disease on barley (Hordeum vulgare L.) based on symptoms and signs on leaves and attributes of the fungus. The common name given to the disease was "necrotic sprinkling." This disease was found for the first time on barley in fields o...
Conference Paper
Full-text available
de semillas y plántulas de Soja en pre y posemergencia en el área agrícola núcleo de Entre Ríos Campaña 2013-14 Las siembras de soja de mediados de octubre y primera semana del mes de noviembre se vieron en algunos casos severamente afectadas por la muerte de semillas y plántulas en pre y pos-emergencia. La pérdida del stand de plantas fue variable...
Conference Paper
Full-text available
Detección de cuatro enfermedades foliares en "rama negra" (Conyza bonariensis) en Entre Ríos La rama negra (Conyza bonariensis), es una especie herbácea anual de la familia Asteráceas que interfiere gravemente en los sistemas de producción agrícola de Entre Ríos, norte de Buenos Aires, centro-sur de Santa Fe y Córdoba. verde normal de los tejidos s...
Conference Paper
Full-text available
Fusarium tucumaniae is the primary causal agent of sudden death syndrome (SDS) of soybean in Argentina. It is a soil-borne pathogen that causes root rot followed by the development of foliar symptoms, causing yield losses. Early infections, occurring at the seed stage, produced foliar symptoms and higher root rot severity, when compared to later in...
Conference Paper
Full-text available
Soybean is the most important oilseed crop in Argentina. The wide distribution of monoculture associated with no-tillage techniques has contributed to increased damage caused by diseases. Annual occurrence of foliar diseases such as brown spot (Septoria glycines) and leaf blight (Cercospora kikuchii) depend on favourable environmental conditions an...
Conference Paper
Full-text available
Soybean (Glycine max L.) Merrill is the most important and widespread oil crop in Argentina. After soybean rust (Phakopsora pachyrhizi Sydow & Sydow) epidemics, many farmers adopted foliar fungicides applications. Damages caused by late season diseases (LSD) have increased by soybean monoculture under no-till. LSD pathogens such as Septoria glycine...
Conference Paper
Full-text available
La podredumbre carbonosa del cultivo de soja (Glycine max L.) Merr. causada por Macrophomina phaseolina (Tassi) Goid., un hongo habitante del suelo, puede afectar a más de 500 especies vegetales. Su presencia suele estar asociada a períodos prolongados de sequía y altas temperaturas. El uso de cultivares resistentes es el método preferencial de con...
Article
Full-text available
The main objectives of this work were to isolate and identify the causal agents of sudden death syndrome (SDS) from samples collected in different Argentinean localities, to quantify its incidence, and to estimate yield losses. Two hundred and fifteen roots from plants with typical SDS foliar symptoms were analyzed. In order to perform pathogenicit...
Conference Paper
Full-text available
Resumen-La evaluación y cuantificación precisa de la importancia relativa de las enfermedades del maíz en Argentina es fundamental para priorizar las líneas de investigación y justificar el uso de recursos humanos y económicos. El presente trabajo tuvo como objetivo determinar la prevalencia, severidad y distribución de las enfermedades en las prin...
Article
During the growing seasons of 2008 to 2009 and 2009 to 2010, severe outbreaks of soybean (Glycine max (L.) Merr.) frogeye leaf spot, a disease caused by Cercospora sojina Hara, occurred in several areas in Argentina (1). Two surveys were conducted in soybean fields, one in 2008 that included the provinces of Buenos Aires, Córdoba, and Santa Fe, and...
Article
Full-text available
In November 2011, lesions similar to those reported for Ascochyta blight (1) were observed on Cicer arietinum L. (chickpea) plants growing in three commercial fields located at Río Primero and Río Segundo (Cordoba Province) and Lobería (Buenos Aires Province), Argentina. Disease incidence (percentage of plants affected) was 100% in all fields surve...
Article
Full-text available
Conocer el vigor (VG) de un lote de semillas aporta información adicional a la del poder germinativo (PG) y se correlaciona positivamente con la implantación del cultivo. En este trabajo se seleccionaron tres muestras con PG 84, 91 y 95% correspondiente a 65, 79 y 95% de VG. El ensayo se sembró a campo, en microparcelas con 4 repeticiones en un dis...
Article
Full-text available
Soybean rust (Phakopsora pachyrhizi) is the most relevant disease of soybean related to the yield losses in some regions of the world. Argentina has 17 million ha cultivated with soybean (SAGPyA 2009) and soybean rust was detected for the first time in 2002. Its appearance lead to a substancial change not only in sanitary manage but also in all dec...
Conference Paper
Full-text available
Corn (Zea mays L.) is an important summer cereal crop of Argentina, with a 3.13 millions ha sown, a grain production of 21.3 million tons and unitary yield average of 8000 kg ha-1 during 2009/10 season. Emergence and reemergence of crops disease is a consequence of several factors and is very important study various epidemiologic aspects that allow...
Article
Full-text available
Sudden death syndrome (SDS) of soybean has become a serious constraint to the production of this crop in North and South America. Phenotypic and multilocus molecular phylogenetic analyses, as well as pathogenicity experiments, have demonstrated that four morphologically and phylogenetically distinct fusaria can induce soybean SDS. Published molecul...
Article
Asian soybean rust (ASR) caused by Phakopsora pachyrhizi was initially reported in the Province of Entre Ríos, Argentina in April 2004 (1). During the 2004-2005 growing season, ASR was observed in the main soybean-producing (Glycine max) region of the country (4) and it was observed on kudzu (Pueraria lobata) in Misiones and Santa Fe provinces (2)....
Article
Full-text available
A field experiment was conducted during the 1995/96 sunflower growing season at the Agricultural Experimental Station of INTA (Paraná, province of Entre Ríos, Argentina) in order to determine the effect the natural infection caused by Phoma oleracea var. helianthi-tuberosi Sacc. on plant height, stem diameter, head diameter, achene weight per head,...
Article
Full-text available
The objective of this work was to determine the effect of nitrogen fertilization on "stem black spot" (Phoma oleracea var. helianthi-tuberosi Sacc.) in 4 genotypes (IN-PRA 03, ACA 884, TC 2000 and Paraíso 3) of sunflower (Helianthus annuus L), under natural epidemic conditions. A split-plot experimental design with 4 replications was used; the geno...

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Projects (2)
Project
Eje- Estudios sobre bio-diversidad del complejo fúngico D/P y prospección de las CTS-Dpc y TTV (Relacionado a las H1, H2 y H3) O. General- Relevar la ocurrencia y distribución de la CTS-Dpc y TTV y analizar las relaciones bio-genéticas entre cepas DP de diferentes agroecosistemas, la aparición de RF y riesgos epidemiológicos en el sur de Santa Fe. O. Específicos 1. Relevar la ocurrencia, distribución de la CTS-Dpcy TTV de la soja causadas por D/P en distintas áreas productivas del sur de la Pcia. de Santa Fe. 2. Incorporar y caracterizar morfológica y molecularmente las cepas nóveles de D/Pprovenientes de diversos ambientes y genotipos de soja a fin de generar un banco de germoplasma fúngico. 3. Explorar la relación bio-genética entre las cepas D/P aisladas de diferentes agro-eco-sistemas con la aparición de RF, las IPP y la severidad de las enfermedades. Eje- Estudios aplicados al Mejoramiento vegetal (Relacionado a las H1 y H3) O. General- Profundizar la búsqueda de fuentes de Resistencia, Identificar y Caracterizar la herencia de los genes R para CTS-Dpc y TTV. O. Específicos 4. Evaluar interacciones planta-patógeno en invernadero. 5. Validar molecularmente el comportamiento diferencial de genotipos progenitores de soja y la heterocigosis efectiva de sus respectivas F1 y generaciones segregantes tempranas. 6. Identificar genes R y el tipo de herencia a TTV e Identificar nuevos genes de R para CTS-Dpc. 7. Relacionar el perfil de comportamiento fenotípico expresado por el germoplasma de soja frente a CTS-Dpc y TTV con el perfil molecular de diferentes F y mapear la región genómica que confiere resistencia a la CTS-Dpc.