Impact of Fungi Co-occurrence on Mycotoxin Contamination in Maize During the Growing Season

Overview

Journal Front Microbiol

Specialty Microbiology

Date 2019 Jun 28

PMID 31244797

Citations 28

Authors

Paola Giorni

Terenzio Bertuzzi

Paola Battilani

Affiliations

Soon will be listed here.

Abstract

Maize is a possible host of many fungi, some of them able to produce different mycotoxins. Few studies exist on co-occurring fungi and resulting multi-mycotoxin contamination in field; for this reason, in field trials were conducted in two consecutive years to verify fungal incidence and mycotoxin production in the case of the co-occurrence of the three main mycotoxigenic fungi of maize in Italy: , and able to produce, respectively, aflatoxin B1 (AFB1), fumonisins (FBs), and deoxynivalenol (DON). Artificial inoculation was done after silk emergence of maize and samples were collected with a 2 week schedule up to harvest time (four samplings). Fungal interaction resulted as playing a role for both fungal incidence and mycotoxins production, as did weather conditions too. Main interactions were noted between and , and between and . In particular, as a result of fungal co-occurrence, AFB1 resulted stimulated by presence while no effects were noted in FBs and DON in case of - co-occurrence. Interestingly, the co-presence of significantly reduced both FB and DON production.

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