Agronomic impacts on fusarium infection and mycotoxin contamination of wheat grain
Keywords:
agronomic impacts, mycotoxins, deoxynivalenol, zearalenone, fumonisinAbstract
Agronomic impacts often determine plant physiological processes. The value of grain yield may be deteriorated by fungal infections as well as contaminated by its mycotoxin metabolites. Fusarium spp. is a major plant pathogen of wheat. Fusarium infection and mycotoxin production cause serious losses in wheat and wheat-based products. Three major mycotoxins; deoxynivalenol, zearalenone and fumonisin were studied in a three years’ series of winter wheat (Triticum aestivum L.) trial at the MATE Agronomy Institute in 2018, 2019 and 2020. 3 varieties and 5 levels of N fertilization were applied in a replicated field trial. Grain samples of harvested yield were tested for Fusarium infection as well as the occurrence and magnitude of mycotoxin contamination were determined. The results obtained suggest that there were no statistically significant direct relations between the fungal infection and the presence and level of mycotoxin contamination, however certain varietal and crop year differences could be detected by fuzzy logic modelling approach for each mycotoxines.
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