The effect of tillage on Fusarium infection and mycotoxins on barley and oats

摘要

Direct drilling and conventional soil tillage with autumn ploughing were compared in a field trial during 2003-2004. Oat and barley cultivars were sown using both methods and the development of Fusarium infection in ears and panicles studied during kernel development from ear emergence until harvested and dried grain. Direct drilling increased the infection of F. avenaceum and F. poae compared to other Fusarium species, but it did not have any effect either on F. culmorum or F. graminearum. In 2004,F. langsethiae was often found in the early samplings after oat panicle emergence, and high contamination of T-2 and HT-2 toxins was observed in harvested oat grain. In 2003, this species was found very rarely and these toxins were almost absent in the grain.