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Biodiversity of Aspergillus section Nigri populations in Argentinian vineyards and ochratoxin A contamination
Chiotta, María Laura; Ponsone, María Lorena; Sosa, Débora María; Combina, Mariana; Chulze, Sofia Noemí (2013-12)Aspergillus section Nigri are described as the main source of ochratoxin A (OTA) contamination in grapes and wine worldwide. The knowledge of the factors affecting grape contamination by species included in this section ... -
Biological control as a strategy to reduce the impact of mycotoxins in peanuts, grapes and cereals in Argentina
Chulze, Sofia Noemí; Palazzini, Juan Manuel; Torres, Adriana; Barros, G.; Ponsone, María Lorena; Geisen, R.; Schmidt-Heydr, M.; Kohl, Jürgen (2015)Mycotoxins including aflatoxins, deoxynivalenol, fumonisins and ochratoxin A are among the main fungal secondary metabolites detected as natural contaminants in South America in different commodities such as peanuts ... -
Biological control of Fusarium graminearum sensu stricto, causal agent of Fusarium head blight of wheat, using formulated antagonists under field conditions in Argentina
Palazzini, Juan Manuel; Alberione, Enrique Javier; Torres, Adriana; Donat, Christina; Kohl, Jürgen; Chulze, Sofia Noemí (2016-03)Fusarium head blight (FHB) mainly caused by Fusarium graminearum is a devastating disease that causes extensive yield and quality losses to wheat in humid and semi-humid regions of the world. The biocontrol effect of two ... -
Comportamiento diferencial de híbridos de maíz frente a Aspergillus flavus toxigénicos en espigas en el Chaco semiárido argentino
Barontini, Javier Miguel; Alaniz Zanon, Maria Silvina; Druetta, Marcelo Alberto; Ruiz Posse, Agustina María; Torrico Ramallo, Ada Karina; Monge, María del Pilar; Chulze, Sofia Noemí; Gimenez, Maria De La Paz (Fundación Hongos de Argentina para la Sustentabilidad, 2022-10-17)Argentina se encuentra entre los líderes mundiales en producción de maíz Zea mays L Aspergillus flavus infecta al cultivo causando pudrición de la espiga y frente a condiciones climáticas estresantes, algunos aislamientos ... -
Control of Ochratoxin A production in grapes
Ponsone, María Lorena; Chiotta, María Laura; Palazzini, Juan Manuel; Combina, Mariana; Chulze, Sofia Noemí (2012-05)Ochratoxin A (OTA) is a mycotoxin commonly present in cereals, grapes, coffee, spices, and cocoa. Even though the main objective of the food and feed chain processors and distributors is to avoid the extended contamination ... -
Evaluation of behaviour of Lachancea thermotolerans biocontrol agents on grape fermentations
Nally, Maria Cristina; Ponsone, María Lorena; Pesce, Virginia Mercedes; Toro, Maria Eugenia; Chulze, Sofia Noemí (Society for Applied Microbiology, 2018-07)Previous researches have showed that Lachancea thermotolerans strains RCKT4 and RCKT5 inhibited the growth of Aspergillus. However, currently, there are no data on their nutritional preferences, as a possible substrate ... -
Evaluation of the effectiveness of potential biocontrol yeasts against black sur rot and ochratoxin A occurring under greenhouse and field grape production conditions
Ponsone, María Lorena; Nally, Maria Cristina; Chiotta, María Laura; Combina, Mariana; Kohl, Jürgen; Chulze, Sofia Noemí (2016)The efficacy of two strains of Lanchancea thermotolerans in preventing the growth and ochratoxin A (OTA) accumulation of ochratoxigenic fungi under greenhouse and field conditions were evaluated during three consecutive ... -
Fusarium graminearum species complex occurrence on soybean and F. graminearum sensu stricto inoculum maintenance on residues in soybean‐wheat rotation under field conditions
Chiotta, María Laura; Alaniz Zanon, Maria Silvina; Palazzini, Juan Manuel; Alberione, Enrique Javier; Barros, Germán Gustavo; Chulze, Sofia Noemí (Wiley, 2020-07)Aims: The aims of this study were to determine the occurrence of Fusarium graminearum species complex (FGSC) on soybean pods, seeds and roots, including rhizoplane, during the soybean crop in rotation with wheat and to ... -
Incidencia de fusariosis de la espiga en cultivares de trigo pan durante 2012-13 en Marcos Juárez (Córdoba–Argentina)
Alberione, Enrique Javier; Bainotti, Carlos Tomas; Donaire, Guillermo Manuel; Fraschina, Jorge Alberto; Salines, Jose Hector; Salines, Nicolas; Gomez, Dionisio Tomas; Chulze, Sofia Noemí; Palazzini, Juan Manuel; Mir, Leticia Raquel; Formica, Maria Beatriz; Cuniberti, Martha Beatriz (2015)En 2012 se caracterizaron cultivares de trigo frente a ataques severos de Fusariosis de la es-piga en Marcos Juárez en ensayos de RET y bajo infección artifi cial. Se determinó incidencia, severidad rendimiento de ... -
An integrated dual strategy to control Fusarium graminearum sensu stricto by the biocontrol agent Streptomyces sp. RC 87B under field conditions. Reprint
Palazzini, Juan Manuel; Yerkovich, Nadia; Alberione, Enrique Javier; Chiotta, María Laura; Chulze, Sofia Noemí (2017-03)Fusarium head blight (FHB) caused by species within the Fusarium graminearum complex is a devastating disease that causes extensive yield and quality losses to wheat in humid and semi-humid regions of the world. The disease ... -
Natural occurrence of Ochratoxin A in musts, wines and grape vine fruits from grapes harvested in Argentina
Ponsone, María Lorena; Chiotta, María Laura; Combina, Mariana; Torres, Adriana; Knass, Patricia; Dalcero, Ana María; Chulze, Sofia Noemí (2010-08)In this study, ochratoxin A (OTA) occurrence in Argentinean musts, wines and dried vine fruits was evaluated, alongside with the performance of OchraStarTM columns for OTA extraction. In all the three matrices analyzed, ... -
Pathogenicity of Fusarium graminearum and F. meridionale on soybean pod blight and trichothecene accumulation
Chiotta, María Laura; Alaniz Zanon, Maria Silvina; Palazzini, Juan Manuel; Scandiani, María Mercedes; Formento, Angela Norma; Barros, Germán Gustavo; Chulze, Sofia Noemí (Wiley, 2016-12)Soybean (Glycine max) 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‐ ...