Journal
EUROPEAN JOURNAL OF PLANT PATHOLOGY
Volume 108, Issue 7, Pages 645-651Publisher
KLUWER ACADEMIC PUBL
DOI: 10.1023/A:1020622812246
Keywords
beauvericin; ear rot; fumonisins; fusaproliferin; Fusarium infection; maize hybrids; resistance
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The development of new maize hybrids with resistance to Fusarium infection is an effective means of minimizing the risk of mycotoxin contamination. Several maize hybrids have been investigated for Fusarium ear rot and accumulation of fumonisin B-1 (FB1), fumonisin B-2 (FB2), beauvericin (BEA) and fusaproliferin (FP) after artificial inoculation in the field with toxigenic strains of Fusarium verticillioides and Fusarium proliferatum. The year of inoculation had a significant influence on the disease severity and mycotoxin accumulation in maize kernels. Of all the hybrids tested, only Mona exhibited resistance to ear rot caused by F. verticillioides and produced low levels of fumonisins during three years of experiments. In Fusarium-damaged kernels (FDK), fumonisin B-1, fumonisin B-2,B- beauvericin and fusaproliferin were detected at concentrations much higher (up to 10-20 times) than in healthy-looking kernels (HLK). Animal and human exposure to these mycotoxins can be drastically reduced by removing mouldy and visibly damaged kernels from the commodity.
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