Epidemiology of Fusarium Infection and Deoxynivalenol Content in Winter Wheat in the Rhineland, Germany |
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| Authors: | B Birzele A Meier H Hindorf J Krämer H-W Dehne |
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| Institution: | (1) Department of Agricultural and Food Microbiology, Institute for Plant Diseases, University of Bonn, Meckenheimer Allee 168, 53115 Bonn, Germany;(2) Department of Agricultural and Food Microbiology, Institute for Plant Diseases, University of Bonn, Meckenheimer Allee 168, 53115 Bonn, Germany |
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| Abstract: | Details of our long-term research programme concerning the epidemiology of Fusarium spp. and mycotoxin production are summarized. Evaluation of the occurrence of Fusarium spp., mainly on winter wheat (Triticum aestivum), was carried out by investigating Fusarium infection and mycotoxin contamination. Two to 15% of grains were infested during 1995–1998 at three climatologically differing localities of the Rhineland, Germany. Disease progress was accelerated by rainfall during the flowering season. The species most frequently isolated were Fusarium avenaceum, F. poae, F. culmorum and F. graminearum. The mean deoxynivalenol (DON) content varied from 19 gkg–1 (1995) to 310gkg–1 (1998) and was not always correlated with disease severity. Organic farming systems showed lower rates of infection with ear blight and lower mycotoxin contamination than conventional farming systems. |
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| Keywords: | Fusarium epidemiology inoculum sources deoxynivalenol |
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