Epidemiology of Fusarium infection and deoxynivalenol content in winter wheat in the Rhineland, Germany

  • B. Birzele
  • A. Meier
  • H. Hindorf
  • J. Krämer
  • H.-W. Dehne

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 μg kg–1 (1995) to 310 μg kg–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.

Key words:

Fusarium epidemiology inoculum sources deoxynivalenol 

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Copyright information

© Springer Science+Business Media Dordrecht 2002

Authors and Affiliations

  • B. Birzele
    • 1
  • A. Meier
    • 2
  • H. Hindorf
    • 2
  • J. Krämer
    • 1
  • H.-W. Dehne
    • 2
  1. 1.Department of Agricultural and Food Microbiology, Institute for Plant DiseasesUniversity of BonnBonnGermany
  2. 2.Department of Plant Diseases, Institute for Plant DiseasesUniversity of BonnBonnGermany

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