Molecular and mycotoxin characterization of Fusarium graminearum isolates obtained from wheat at a single field in Argentina
- Ortega, Leonel Maximilano
- Dinolfo, María Inés
- Astoreca, Andrea Luciana
- Alberione, Enrique Javier
- Stenglein, Sebastian Alberto
- Alconada Magliano, Teresa Maria
DOIAbstract
Fusarium graminearum is the primary causal agent of Fusarium head blight of wheat in Argentina. This disease affects yield losses and quality of grains, reducing the wheat end-use, also causing mycotoxin contamination. In this study, the genetic variability and deoxynivalenol (DON) potential/production of F. graminearum sensu stricto (s.s.) isolates obtained from wheat samples of the 2009, 2010, and 2011 growing seasons from a single location in Argentina were evaluated. The genetic variability detected using inter-simple sequence repeat (ISSR) was analyzed in relation to the in vitro deoxynivalenol production, the main monitored and quantified mycotoxin according to the current regulations for the international marketing of cereals. Of the...
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