Fusarium graminearum sensu stricto associated with head blight on rye (Secale cereale L.) in Argentina
Mauro Martinez 1, B-D,F
Maria Dinolfo 1, B-D,F
Sebastian Stenglein 1, A-C,E-F
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Functional Biology and Biotechnology Laboratory, Faculty of Agronomy, National University of the Centre of the Buenos Aires Province, Argentina
A - Research concept and design; B - Collection and/or assembly of data; C - Data analysis and interpretation; D - Writing the article; E - Critical revision of the article; F - Final approval of article
Submission date: 2018-09-26
Acceptance date: 2019-05-09
Online publication date: 2019-06-04
Corresponding author
Sebastian Stenglein   

Functional Biology and Biotechnology Laboratory, Faculty of Agronomy, National University of the Centre of the Buenos Aires Province, Argentina
Journal of Plant Protection Research 2019;59(2):287-292
Fusarium head blight (FHB) is one of the most important diseases that occurs in cereal regions worldwide and causes serious economic damage. This disease can be caused by several Fusarium species with Fusarium graminearum sensu stricto being the most common pathogen isolated from several crops. The aim of this study was to report the occurrence of F. graminearum sensu stricto on rye grains collected from field samples in Argentina and to determine the potential ability to produce deoxynivalenol (DON), nivalenol (NIV) and zearalenone (ZEA). Based on morphological characteristics, the isolate was identified as F. graminearum sensu stricto. To confirm molecularly, portions of the RED and TRI genes were sequenced and showed 99% similarity with the F. graminearum sensu stricto sequences available in the NCBI database. The potential to produce DON, 15-acetyldeoxynivalenol (15-ADON) and ZEA was determined. Moreover, Koch´s postulates were carried out. To our knowledge, this is the first report of F. graminearum sensu stricto associated with rye kernels in Argentina.
This research was supported by FONCyT/PICT (0213/2015) and UNCPBA.
The authors have declared that no conflict of interests exist.
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