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Significance of different inoculum sources for the Fusarium infection of wheat ears

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Abstract

From 1997 to 1999 the occurrence ofFusarium spp. on wheat grain and its contamination with the mycotoxins deoxynivalenol and invalenol were investigated under organic farming conditions in the Rhineland, Germany. For comparison, some trials were also run under integrated farming conditions. The importance of the seed contamination withFusarium spp. as well as the impact of farming system, previous crop and soil preparation on the inoculum sources ofFusarium spp. in the soil were investigated. The data on the inoculum sources was compared to the Fusarium infection of grains and their content of DON and NIV. The crop residues in the soil were the most important inoculum source for the Fusarium species infecting wheat ears and grains. The amount of potential inoculum in the soil largely depended on the previous crop and the system of soil preparation.

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Authors and Affiliations

  1. Depratment of Plant Diseases, Institute for Plant Diseases, University of Bonn, Nußallee 9, 53115, Bonn, Germany

    Meier A, Oerke E-C, Steiner U & Dehne H-W

  2. Depratment of Agricultural and Food Microbiology, Institute for Plant Diseases, University of Bonn, Meckenheimer Allee 168, 53115, Bonn, Germany

    Birzele B & Krämer J

Authors
  1. Meier A
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  2. Birzele B
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  3. Oerke E-C
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  4. Steiner U
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  5. Krämer J
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  6. Dehne H-W
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Correspondence to Oerke E-C.

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Meier, A., Birzele, B., Oerke, EC. et al. Significance of different inoculum sources for the Fusarium infection of wheat ears. Mycotox Res 17 (Suppl 1), 71–75 (2001). https://doi.org/10.1007/BF03036716

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