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Disease Management and Estimated Effects on DON (Deoxynivalenol) Contamination in Fusarium Infested Barley

Author

Listed:
  • Gregory McKee

    (Department of Agricultural Economics, University of Nebraska, Lincoln 204A Filley Hall, Lincoln, NE 68583, USA)

  • Christina Cowger

    (United States Department of Agriculture-Agricultural Research Service, Department of Plant Pathology, Raleigh, NC 27695, USA)

  • Ruth Dill-Macky

    (Department of Plant Pathology, University of Minnesota, Saint Paul, MN 55108, USA)

  • Andrew Friskop

    (Department of Plant Pathology, North Dakota State University, Dept. 7660, Fargo, ND 58108-6050, USA)

  • Pravin Gautam

    (North American Wheat Breeding & Operation, BASF Agricultural Solutions, Beaver Crossing, NE 68313, USA)

  • Joel Ransom

    (Department of Plant Sciences, North Dakota State University, Dept. 7660, Fargo, ND 58108-6050, USA)

  • William Wilson

    (Department of Agribusiness and Applied Economics, North Dakota State University, Dept. 7610, Fargo, ND 58108-6050, USA)

Abstract

Fusarium head blight (FHB or scab) economically devastates barley production. FHB is predominantly caused by Fusarium graminearum and has resulted in major reductions in the quality of barley in the United States. The most common source of economic loss is through development of potent mycotoxins in the grain, the most prominent of which, in the United States, is deoxynivalenol (DON). DON levels can be managed through a variety of techniques. This study presents the estimate of the statistical relationship among DON contamination in barley, FHB incidence and severity, and a variety of disease management techniques. Data from 22 field studies and a survey of barley producers are used to estimate the relationship. Fungicide applications reduce DON in barley in general and via complementary interactions with the barley cultivar. Genetic FHB resistance in barley varieties is an important determinant of DON levels, as well as previous crop and factors related to time and location. Taking care to avoid rotations with FHB host crops immediately prior to barley is also important to reduce DON levels in barley. These become key inputs into barley producer decisions for evaluating the economic value of adopting FHB management techniques.

Suggested Citation

  • Gregory McKee & Christina Cowger & Ruth Dill-Macky & Andrew Friskop & Pravin Gautam & Joel Ransom & William Wilson, 2019. "Disease Management and Estimated Effects on DON (Deoxynivalenol) Contamination in Fusarium Infested Barley," Agriculture, MDPI, vol. 9(7), pages 1-14, July.
    • Handle: RePEc:gam:jagris:v:9:y:2019:i:7:p:155-:d:248146
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    References listed on IDEAS

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    1. William E. Nganje & Dean A. Bangsund & F. Larry Leistritz & William W. Wilson & Napoleon M. Tiapo, 2004. "Regional Economic Impacts of Fusarium Head Blight in Wheat and Barley," Review of Agricultural Economics, Agricultural and Applied Economics Association, vol. 26(3), pages 332-347.
    2. Nganje, William E. & Kaitibie, Simeon & Wilson, William W. & Leistritz, F. Larry & Bangsund, Dean A., 2004. "Economic Impacts Of Fusarium Head Blight In Wheat And Barley: 1993-2001," Agribusiness & Applied Economics Report 23627, North Dakota State University, Department of Agribusiness and Applied Economics.
    3. Johnson, D. Demcey & Nganje, William E., 2000. "Impacts Of Don In The Malting Barley Supply Chain: Aggregate Costs And Firm-Level Risks," Agricultural Economics Miscellaneous Reports 23103, North Dakota State University, Department of Agribusiness and Applied Economics.
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    Cited by:

    1. Carlo Antonio Ng & Michaela Poštulková & Dagmar Matoulková & Vratislav Psota & Ivo Hartman & Tomas Branyik, 2021. "Methods for suppressing Fusarium infection during malting and their effect on malt quality," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 39(5), pages 340-359.

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