Effect of fungicidal treatment and storage condition on content of selected mycotoxins in barley
2018
Pavel Horky (Department of Animal Nutrition and Forage Production, Faculty of AgriSciences, Mendel University in Brno, Zemedelska 1, CZ 613 00 Brno, Czech Republic) | Amanda J. Deering (Department of Food Science, Purdue University, West Lafayette, IN 47907, The United States of America) | Iva Caslavova (Department of Animal Nutrition and Forage Production, Faculty of AgriSciences, Mendel University in Brno, Zemedelska 1, CZ 613 00 Brno, Czech Republic) | Pavel Nevrkla (Department of Animal Breeding, Faculty of AgriSciences, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic) | Sylvie Skalickova (Department of Animal Nutrition and Forage Production, Faculty of AgriSciences, Mendel University in Brno, Zemedelska 1, CZ 613 00 Brno, Czech Republic) | Petr Slama (Department of Animal Morphology, Physiology and Genetics, Faculty of AgriSciences, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic) | Vaclav Trojan (5Department of Plant Biology, Faculty of AgriSciences, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic)
The aim of the study was to determine the effect of fungicidal treatment and storage on the occurrence of mycotoxins in barley (Hordeum vulgare L.). Barley was initially inoculated with Fusarium culmorum followed by the application of fungicides (prothioconazole and bixafen). A screening of 57 mycotoxins were performed using ultra-performance liquid chromatography in tandem with mass spectrometry. The fungicide treatment affected (P <0.05) the levels of zearalenone, β-zearalenol, arternariol and alternariol-methylether that were present. Levels of deoxynivalenol was highest in the second year of monitoring. 3-acetyl-deoxynivalenol was not affected by fungicidal treatment or storage. The significant increase (P <0.05) of DON-3-glucoside, 15-acetyl-DON, enniatin A, enniatin A1, enniatin B, and enniatin B1 was measured in barley samples. The results of the experiment determined that the use of fungicides can suppress some kinds of mycotoxins, but not others.
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