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Aggressiveness of fusarium section liseola isolates causing maize ear rot in Argentina
Iglesias, Juliana; Presello, Daniel Alberto; Botta, Grisela; Lori, Gladys Albina; Fauguel, Carolina Maria (Edizioni ETS, 2010-03)Developing resistance to species of Fusarium in maize (Zea mays L.) is important to prevent field mycotoxin contamination. Isolates representative of natural conditions need to be identified to maximize selection responses. ... -
Assessment of physiological races of Exserohilum turcicum isolates from maize in Argentina and Brazil
Navarro, Barbara Ludwig; Ramos Romero, Lucía; Kistner, María Belén; Iglesias, Juliana; Von Tiedemann, Andreas (Springer, 2021-02)Northern corn leaf blight (NCLB) is one of the most important diseases in maize worldwide. It is caused by the fungus Exserohilum turcicum, which exhibits a high genetic variability for virulence, and hence physiological ... -
Detecting sources of resistance to multiple diseases in Argentine maize (Zea mays L.) germplasm
Kistner, María Belén; Nazar, Lázaro; Montenegro, Lucía Daniela; Cervigni, Gerardo Domingo Lucio; Galdeano, Ernestina; Iglesias, Juliana (Springer Nature, 2022-04)Maize (Zea mays L.), an important cereal for human and animal nutrition, is usually affected by multiple co-occurring pathogens that reduce production. Argentina is the fourth maize producer worldwide, with common rust ... -
Importancia, toxicogénesis y agresividad de especies pertenecientes a Gibberella fujikuroi en maíz en el Noroeste Argentino = Importance, Fumonisin production and aggressiveness of Gibberella fujikuroi complex recovered from maize in northwestern Argentina
Díaz, C.G.; Heredia, A.M.; Iglesias, Juliana; Presello, Daniel Alberto; Lori, Gladys Albina (Facultad de Agronomía y Zootecnia, Universidad Nacional de Tucumán, 2013-12)Se estudió la composición, patogenicidad y toxicogénesis de aislamientos pertenecientes al complejo Gibberella fujikuroi en una de las regiones productoras de maíz de la región Noroeste de Argentina. Los resultados evidencian ... -
Map overlapping of QTL for resistance to Fusarium ear rot and associated traits in maize
Giomi, Gerardo Mario; Sampietro, Diego Alejandro; Velazco, Julio Gabriel; Iglesias, Juliana; Fernandez, Mariana; Oviedo, María Silvina (Springer, 2021-04)Mapping QTL for disease resistance and associated traits is important to develop maize (Zea mays L.) hybrids less susceptible to ear rots. A biparental mapping population of 298 F5 recombinant inbreds (RIs), obtained from ... -
Quantitative trait loci for Fusarium and Gibberella ear rot resistance in Argentinian maize germplasm
Giomi, Gerardo Mario; Iglesias, Juliana; Kreff, Enrique D.; Fauguel, Carolina Maria; Fernández, Mariana; Oviedo, María Silvina; Presello, Daniel Alberto (2016)Fusarium verticillioides and F. graminearum cause ear rots in maize (Zea mays L.) that reduce yield and contaminate the grain with mycotoxins produced by the fungi. To map QTLs for resistance to these ear rots, a F5 mapping ... -
Relative performance of cluster algorithms and validation indices in maize genome-wide structure patterns
Videla, María Eugenia; Iglesias, Juliana; Bruno, Cecilia Inés (Springer Nature, 2021-09)A number of clustering algorithms are available to depict population genetic structure (PGS) with genomic data; however, there is no consensus on which methods are the best performing ones. We conducted a simulation study ... -
Severity of Fusarium ear rot and concentration of fumonisin in grain of Argentinian maize hybrids
Presello, Daniel Alberto; Iglesias, Juliana; Botta, Grisela; Eyherabide, Guillermo (Elsevier, 2007-06)Fusarium ear rot severity and fumonisin concentration in grain of 16 Argentinian maize hybrids were assessed after inoculation with Fusarium verticillioides. Differences among hybrids for both traits indicate that field ... -
Unravelling the complexity of maize resistance to bacterial and fungal diseases: an integrative perspective
Kistner, María Belén; Romero, Ana María; Iglesias, Juliana (Springer Nature, 2022-02)Maize is one of the most important cereals for both human and animal nutrition, and diseases that affect the crop pose a major threat to global food security. Breeders are racing against time to develop genotypes resistant ... -
Volatile compounds released by maize grains and silks in response to infection by Fusarium verticillioides and its association with pathogen resistance
Fauguel, Carolina Maria; Campos Bermudez, Valeria Alina; Iglesias, Juliana; Fernandez, Mariana; Farroni, Abel Eduardo; Andreo, Carlos Santiago; Presello, Daniel Alberto (2016)Many plants respond to fungal infections by producing and/or emitting a specific blend of oxylipins, some of them through the lipoxygenase (LOX) pathway. In vitro bioassays revealed that volatiles from silks and grains of ...